Advances in Animal and Veterinary Sciences

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AAVS_9_9_1424-1436

 

 

Research Article

 

Fish Diversity of Coastal Andhra Pradesh, Southeast Coast of India

 

Darwin Chatla, P. Padmavathi*

Department of Zoology and Aquaculture, Acharya Nagarjuna University, Nagarjuna Nagar – 522 510, Andhra Pradesh, India.

 

Abstract | Diversity of marine fishes was studied along the coast of Bay of Bengal from four selected landing stations of Andhra Pradesh, Southeast coast of India during the period from December 2016 to November 2018. A total of 171 species belonging to 14 orders, 63 families and 128 genera have been recorded during the study period. It is evident that marine fish production is well below the production targets. The less availability of some species indicates a remarkable decline in the diversity of fishes. The anthropogenic disturbances and climatic changes are reported to be the factors affecting the fish population and diversity. Therefore, we are in the stage of need of the hour to conserve marine biodiversity in coastal Andhra Pradesh. The current study also recorded the IUCN status of 171 fish species in various categories of conservation status.

 

Keywords | Bio-diversity, Conservation, IUCN status, Marine fisheries, Andhra Pradesh

 

Received | March 10, 2021; Accepted | April 26, 2021; Published | July 28, 2021

*Correspondence | P. Padmavathi, Department of Zoology and Aquaculture, Acharya Nagarjuna University, Nagarjuna Nagar – 522 510, Andhra Pradesh, India; Email: padmapin@yahoo.com

Citation | Chatla D, Padmavathi P (2021). Fish diversity of coastal Andhra Pradesh, southeast coast of India. Adv. Anim. Vet. Sci. 9(9): 1424-1436.

DOI | http://dx.doi.org/10.17582/journal.aavs/2021/9.9.1424.1436

ISSN (Online) | 2307-8316; ISSN (Print) | 2309-3331

Copyright © 2021 Chatla and Padmavathi. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

 

INTRODUCTION

 

India is one of the largest mega-diversity countries and known for its biodiversity richness abundance reflected in the diversity of fresh and marine water fishes. It is well-known that the marine faunal diversity depends mostly on fish diversity (Kar et al., 2017). It was estimated that India housed 3231 valid species, of which 2443 are marine (75.6%) (Gopi and Mishra, 2015). Globally, India occupies the second-largest fish producer with 3.56 million tonnes for the year 2019 (FRAD, 2019) and exports worth US $7.08 billion (DADF, 2019). The fisheries play a remarkable role in the agro-economy of India with regard to protein supply and employment (Chatla et al., 2020).

 

The state of Andhra Pradesh endowed with a vast coastline of 974 km spread across nine coastal districts is situated between 150 54’ 46.44” N latitude and 790 44’ 23.95” E longitude. It is scattered with 353 fish landing stations including 4 major harbors viz., Visakhapatnam, Kakinada, Machilipatanam, and Nizampatnam (CMFRI, 2012). Andhra Pradesh has known for its healthy fishing grounds and diverse resources comprising different gears and crafts with a total number of 27211 fishing vessels, including 1675 mechanized, 11807 motorized and 13729 traditional fishing crafts, and gears such as seines, cast nets, drag nets, gill nets, trawl nets, and hook and lines (Rao et al., 2008; WAPCOS, 2017). The marine fish landings accounted for about 0.259 million tonnes (mt) in 2019 (FRAD, 2020). However, fish landings have fluctuated over the years from 2013 to 2019 (Figure 1).

 

Every region of the sea is a home for wide variety of life and repository of biodiversity. Among marine biodiversity, fish diversity is comparatively higher than other faunal diversity with ample existing data and higher probability for the discovery of new species (Pyle et al., 2019). The dispersion patterns of several species and extinction of indigenous fishes have been directly linked to human interference (Nelson et al., 2016). Of late, over exploitation of fish species has become a matter of great concern (Ranjan, 2018). The distribution of fishery resources in the coastal waters varies with distance from the shore (Vardharajan and Soundarapandian, 2015). The catchment rates vary with the landing stations and the species (Kar et al., 2017), and hence the catchment information is essential for the development of effective management and to develop the measures to be taken to conserve the fishes towards sustainable utilization (Darwin and Padmavathi, 2020). In view of the given significance of diversity, the fishery composition of landings and seasonal abundance of different resources along the Visakhapatnam coast were studied by Sudarsan (1981), Krishnan and Mishra (1993), Sujatha (1995), Barman et al. (2004) and Sreedhar et al. (2009). However, there is no documented evidence on the diversity of fishes in other fish landing stations of coastal Andhra Pradesh. Therefore, the current study has been undertaken to know the marine fish diversity of unexplored four fish landing stations of coastal Andhra Pradesh.

 

 

MATERIALS AND METHODS

 

Study Area

The present study is based on the samples collected in four designated landing stations of coastal Andhra Pradesh viz., Machilipatnam (A), Nizampatnam (B), Vodarevu (C), and Pakala (D) (Figure 2) located in Krishna, Guntur, and Prakasam districts along 224 km coastline (Table 1 and 2).

 

Sample Collection

To study the marine fish diversity, fish samples were collected from the catches of fish landing centres where fishes were caught by using different gears such as cast nets, trammel net, hook and line, shore seine, boat seine and purse seine. Sampling was done at regular fortnight or monthly intervals in all four landing stations from December 2016 to November 2018 except fish ban period of the months of April and May. The fish samples from various catches were collected as soon as the catches were offloaded. Some of the samples were preserved in 5% formalin and transported to the laboratory for taxonomic identification. All the collections after identification were documented at Museum, Department of Zoology and Aquaculture, Acharya Nagarjuna University, Andhra Pradesh, India.

 

 

Table 1: Geographical location of the four sampling sites of coastal Andhra Pradesh.

 

Fish landing stations Geographical location of fish landing stations
Latitude (North) Longitude (East)
Machilipatnam (A)

160 14’ 49”

810 18’ 63”

Nizampatnam (B)

150 52’ 58”

800 38’ 18”

Vodarevu (C)

150 79’ 34”

800 41’ 10”

Pakala (D)

150 27’ 31”

800 08’ 53”

 

Fish Diversity and Abundance

Fishes were identified up to the species level by following the standard books (Talwar and Kacker, 1984; Barman et al., 2004) and web-based keys, FishBase (www.fishbase.in) (Froese and Pauly, 2020), and Eschmeyer’s Catalog of Fishes (www.calacademy.org) (Fricke et al., 2020). The classification adopted was mainly followed by Nelson (2006). The current valid names, common names and concise data on the conservation status of fish species and importance to fisheries was gathered based on the FishBase (Froese and Pauly, 2020), International Union for Conservation of Nature (www.iucn.org) (IUCN, 2019) and World Register of Marine Species (www.marinespecies.org) (WoRMS, 2020). The percentage composition of orders, families, genera and species of collected fishes was recorded.

 

Table 2: fish species, Common names, Threat to humans, IUCN status and occurrence stations in coastal Andhra Pradesh.

 

Class: Chondrichthyes/Elasmobranchii

S. No.

Order

Family

Species Name

Common Name

Station

IUCN

Status

Threat to Humans

Human Use

1

Carcharhiniformes

Carcharhinidae

Carcharhinus dussumieri (Müller & Henle, 1839)

White cheek shark

A, B

EN

H

C

2

 

 

C. limbatus (Müller & Henle, 1839)

Blacktip shark

A, B, C

VU

Tr

C, Gf

3

 

 

C. sorrah (Müller & Henle, 1839)

Spot-tail shark

A, B, C

NT

H

C

4

 

 

Lamiopsis temminckii (Müller & Henle, 1839)

Broadfin Shark

A, B

EN

H

C

5

 

 

Rhizoprionodon acutus (Rüppell, 1837)

Milk shark

A, B, C

LC

H

C

6

 

 

Scoliodon laticaudus Müller & Henle, 1838

Spadenose shark

A, B

NT

H

C

7

 

Sphyrnidae

Sphyrna zygaena (Linnaeus, 1758)

Hammer head shark

A, B, C, D

VU

Tr

C, Gf

8

Myliobatiformes

Aetobatidae

Aetobatus flagellum (Bloch & Schneider, 1801)

Longheaded eagle ray

A, B

EN

H

C

9

 

Dasyatidae

Himantura fava (Annandale, 1909)

Honeycomb whipray

A, B

NE

H

Ss

10

 

 

H. uarnak (Gmelin, 1789)

Honeycomb stingray

A, B

VU

Tr

C, Gf

11

 

 

Maculabatis gerrardi (Gray, 1851)

Sharp nose stingray

A, B, C, D

VU

H

C, Gf

12

 

 

Telatrygon zugei (Müller & Henle, 1841)

Pale-edged stingray

A, B

NT

H

C

13

Orectolobiformes

Hemiscylliidae

Chiloscyllium griseum Müller & Henle, 1838

Grey bambooshark

A, B, C, D

NT

H

C

14

Rhinopristiformes

Rhinidae

Rhynchobatus djiddensis (Forsskål, 1775)

Giant guitarfish

A, B

VU

H

C, Gf

15

 

Rhinobatidae

Rhinobatos annandalei Norman, 1926

Annandale's guitarfish

B

DD

H

F

16

Torpediniformes

Narcinidae

Narcine brunnea Annandale, 1909

Brown electric ray

A, B

NE

H

Ss

17

 

Narkidae

Narke dipterygia (Bloch & Schneider, 1801)

Numbray

A, B

DD

H

C

Class: Osteichthyes/Actinopterygii

18

Anguilliformes

Muraenidae

Strophidon sathete (Hamilton, 1822)

Slender giant moray

B

NE

Tr

C, Gf

19

 

Muraenesocidae

Muraenesox bagio (Hamilton, 1822)

Common pike conger

A, B

NE

H

C, Gf

20

 

 

Congresox talabonoides (Bleeker, 1853)

Indian pike conger

A, B, C, D

NE

H

C

21

 

Ophichthidae

Lamnostoma orientalis (McClelland, 1844)

Oriental worm-eel

B, C

LC

H

C

22

Aulopiformes

Synodontidae

Harpadon nehereus (Hamilton, 1822)

Bombay duck

A, B, C, D

NE

H

C

23

 

 

Saurida tumbil (Bloch, 1795)

Greater lizardfish

A, B, C, D

LC

H

C

24

Beloniformes

Belonidae

Xenentodon cancila (Hamilton, 1822)

Needle fish

C, D

LC

Tr

C, Aq

25

 

 

Strongylura strongylura (vanHasselt, 1823)

Spottail needlefish

A, B, C, D

NE

H

C, Gf

26

 

Hemirhamphidae

Hemiramphus marginatus (Forsskål, 1775)

Yellowtip halfbeak

B, C, D

NE

H

Ss

27

 

Zenarchopteridae

Rhynchorhamphus georgii (Valenciennes, 1847)

Long billed half beak

C, D

NE

H

C

28

Clupeiformes

Chirocentridae

Chirocentrus dorab (Forsskål, 1775)

Dorab wolf-herring

A, B, C, D

LC

H

C, Gf

29

 

 

C. nudus Swainson, 1839

Whitefin wolf-herring

A, B

LC

H

C

30

 

Clupeidae

Hilsa kelee (Cuvier, 1829)

Kelee shad

A, B, C, D

LC

H

C

31

 

 

Sardinella brachysoma Bleeker, 1852

Deep body sardinella

B, C, D

NE

H

C

32

 

 

S. fimbriata (Valenciennes, 1847)

Fringescale sardinella

A, B, C, D

LC

H

C

33

 

 

S. gibbosa (Bleeker, 1849)

Goldstripe sardinella

B, C

LC

H

C

34

 

 

S. longiceps Valenciennes, 1847

Indian oil sardine

A, B, C, D

LC

H

C

35

 

 

Tenualosa ilisha (Hamilton, 1822)

Hilsa shad

A, B, C, D

NE

H

C, Ac

36

 

Engraulidae

Coilia dussumieri Valenciennes, 1848

Goldspotted grenadier anchovy

A, B, C, D

LC

H

C

37

 

 

Encrasicholina devisi (Whitley, 1940)

Devis' anchovy

A, B, C, D

NE

H

C

38

 

 

Stolephorus commersonnii Lacepède, 1803

Commerson's anchovy

A, B, C, D

LC

H

C

39

 

 

S. indicus (vanHasselt, 1823)

Indian anchovy

A, B, C, D

LC

H

C

40

 

 

Thryssa dussumieri (Valenciennes, 1848)

Dussumier's thryssa

A, B, C, D

LC

H

C

41

 

 

T. hamiltonii Gray, 1835

Hamilton's thryssa

C, D

LC

H

C

42

 

 

T. malabarica (Bloch, 1795)

Malabar thryssa

A, B, C, D

DD

H

C

43

 

 

T. mystax (Bloch & Schneider, 1801)

Moustached thryssa

A, B, C, D

LC

H

C

44

 

 

T. setirostris (Broussonet, 1782)

Longjaw thryssa

A, B, C, D

LC

H

C

45

 

Pristigasteridae

Amblygaster leiogaster (Valenciennes, 1847)

Smoothbelly sardinella

B, C, D

LC

H

F

46

 

 

Anodontostoma chacunda (Hamilton, 1822)

Chacunda gizzard shad

A, B, C, D

LC

H

C

47

 

 

Ilisha melastoma (Bloch & Schneider, 1801)

Indian ilisha

A, B

LC

H

C

48

 

 

Nematalosa nasus (Bloch, 1795)

Bloch's gizzard shad

A, B, C, D

LC

H

C

49

 

 

Opisthopterus tardoore (Cuvier, 1829)

Tardoore

B, D

LC

H

C

50

Elopiformes

Elopidae

Elops machnata (Forsskål, 1775)

Tenpounder

A, B, D

LC

H

C, Gf

51

Mugiliformes

Mugilidae

Chelon parsia (Hamilton, 1822)

Goldspot mullet

A, B, C, D

NE

H

C

52

 

 

C. planiceps (Valenciennes, 1836)

Tade gray mullet

B, C

NE

H

C

53

 

 

Mugil cephalus Linnaeus, 1758

Flathead grey mullet

A, B, C, D

LC

H

C, Ac

54

 

 

Planiliza macrolepis (Smith, 1846)

Largescale mullet

A, B, C, D

LC

H

C, Ac

55

Perciformes

Acanthuridae

Acanthurus mata (Cuvier, 1829)

Elongate surgeonfish

A, B

LC

Vn

C, Aq

56

 

Ambassidae

Ambassis nalua (Hamilton, 1822)

Scalloped perchlet

A, B

LC

H

Ukn

57

 

 

Chanda nama Hamilton, 1822

Elongate glass-perchlet

C, D

LC

H

C, Aq

58

 

Apogonidae

Fibramia lateralis (Valenciennes, 1832)

Humpback cardinal

C, D

LC

H

Ss

59

 

Carangidae

Atropus atropos (Bloch & Schneider, 1801)

Cleft belly trevally

A, B, C, D

LC

H

C

60

 

 

Alectis indica (Rüppell, 1830)

Indian threadfish

A, B

LC

H

C, Gf

61

 

 

Carangoides malabaricus (Bloch & Schneider, 1801)

Malabar trevally

A, B

LC

H

C, Gf

62

 

 

Caranx ignobilis (Forsskål, 1775)

Giant trevally

A, B

LC

Pn

C, Gf

63

 

 

C. sexfasciatus Quoy & Gaimard, 1825

Bigeye trevally

A

LC

H

C

64

 

 

Decapterus russelli (Rüppell, 1830)

Indian scad

A, B, C, D

LC

H

C

65

 

 

Parastromateus niger (Bloch, 1795)

Black pomfret

A, B, C, D

LC

H

C

66

 

 

Selar crumenophthalmus (Bloch, 1793)

Bigeye scad

A, B

LC

Pn

C, Gf

67

 

 

Trachinotus blochii (Lacepède, 1801)

Indian pompano

A

LC

Pn

C, Gf

68

 

Cynoglossidae

Cynoglossus bilineatus (Lacepède, 1802)

Fourlined tonguesole

A, B

NE

H

C

69

 

 

C. cynoglossus (Hamilton, 1822)

Bengal tongue sole

A, B, C, D

NE

H

C

70

 

 

C. macrolepidotus (Bleeker, 1851)

Large scale tongue sole

A, B

NE

H

Ss

71

 

 

C. semifasciatus Day, 1877

Bengal tonguesole

A, B

NE

H

Ss

72

 

 

Paraplagusia bilineata (Bloch, 1787)

Doublelined tonguesole

A, B, C, D

NE

H

C

73

 

Derepanidae

Drepane punctata (Linnaeus, 1758)

Spotted sicklefish

A, B, C, D

NE

H

C, Aq

74

 

Ephippidae

Ephippus orbis (Bloch, 1787)

Orbfish

B

NE

H

C

75

 

Gerridae

Gerres filamentosus Cuvier, 1829

Whipfin silver-biddy

B, C, D

LC

H

C

76

 

 

G. setifer (Hamilton, 1822)

Small Bengal silverbiddy

A, B

NE

H

C

77

 

Gobiidae

Boleophthalmus dussumieri Valenciennes, 1837

Mudskipper

C, D

LC

H

Ukn

78

 

 

P. novemradiatus (Hamilton, 1822)

Pearse's mudskipper

B, C, D

DD

H

Ukn

79

 

Haemulidae

Pentaprion longimanus (Cantor, 1849)

Longfin mojarra

A, B

LC

H

C

80

 

 

Pomadasys maculatus (Bloch, 1793)

Saddle grunt

A

LC

H

C

81

 

Istiophoridae

Istiophorus platypterus (Shaw, 1792)

Indo-Pacific sailfish

A, B, C, D

LC

H

C, Gf

82

 

 

Istiompax indica (Cuvier, 1832)

Black marlin

A, B

DD

H

C, Gf

83

 

Lactariidae

Lactarius lactarius (Bloch & Schneider, 1801)

False trevally

A, B

NE

H

C

84

 

Latidae

Lates calcalifer (Bloch, 1790)

Barramundi

A, B, C, D

NE

H

C, Ac

85

 

Leiognathidae

Eubleekeria splendens (Cuvier, 1829)

Splendid ponyfish

A, B

LC

H

C

86

 

 

Leiognathus equulus (Forsskål, 1775)

Common ponyfish

A, B, C, D

LC

H

C

87

 

 

Karalla dussumieri (Valenciennes, 1835)

Dussumier’s ponyfish

A, B

NE

H

C

88

 

 

Nuchequula gerreoides (Bleeker, 1851)

Decorated ponyfish

B

NE

H

Ss

89

 

 

Photopectoralis bindus (Valenciennes, 1835)

Orangefin ponyfish

A, B

NE

H

C

90

 

 

Secutor insidiator (Bloch, 1787)

Pugnose ponyfish

A, B

NE

H

C

91

 

 

S. ruconius (Hamilton, 1822)

Deep pugnose ponyfish

A, B

NE

H

C

92

 

Lobotidae

Lobotes surinamensis (Bloch, 1790)

Tripletail

A, B

LC

H

C, Gf

93

 

Lutjanidae

Lutjanus argentimaculatus (Forsskål, 1775)

Mangrove red snapper

A

LC

Pn

C, Gf

94

 

 

L. indicus Allen, White & Erdmann, 2013

Snapper fish

A, B

LC

H

Ss

95

 

 

L. johnii (Bloch, 1792)

John’s snapper

A, B, C, D

NE

H

C, Gf

96

 

 

L. russellii (Bleeker, 1849)

Russell’s snapper

A, B

NE

H

C

97

 

Menidae

Mene maculate (Bloch & Schneider, 1801)

Moonfish

A, B

NE

H

C

98

 

Mullidae

Parupeneus indicus (Shaw, 1803)

Indian goatfish

A, B

LC

H

C, Gf

99

 

 

Upeneus vittatus (Forsskål, 1775)

Yellow striped goatfish

A, B, C, D

LC

H

C, Aq

100

 

Nemipteridae

Nemipterus japonicus (Bloch, 1791)

Japanese threadfin bream

A, B, C, D

LC

H

C

101

 

 

N. bipunctatus (Valenciennes, 1830)

Delagoa threadfin bream

A, B

LC

H

C

102

 

Platycephalidae

Platycephalus indicus (Linnaeus, 1758)

Bartail flathead

A, B

DD

H

C, Gf

103

 

Polynemidae

Polynemus paradiseus Linnaeus, 1758

Paradise threadfin

A, B

LC

H

C

104

 

 

Polydactylus plebeius (Broussonet, 1782)

Striped threadfin

A, B

NE

H

C, Gf

105

 

 

Eleutheronema tetradactylum (Shaw, 1804)

Fourfinger threadfin

A, B, C, D

NE

H

C, Gf

106

 

 

Leptomelanosoma indicum (Shaw, 1804)

Indian threadfin

A, B

NE

H

C, Gf

107

 

Priacanthidae

Priacanthus hamrur (Forsskål, 1775)

Moontail bullseye

A, B, C, D

LC

H

C, Aq

108

 

Psettodidae

Pseudorhombus arsius (Hamilton, 1822)

Largetooth flounder

A, B

NE

H

C, Gf

109

 

 

Psettodes erumei (Bloch & Schneider, 1801)

Indian halibut

A, B, C, D

NE

H

C

110

 

Rachycentridae

Rachycentron canadum (Linnaeus, 1766)

Cobia

A, B, C, D

LC

H

C, Ac

111

 

Scatophagidae

Scatophagus argus (Linnaeus, 1766)

Spotted scat

A, B, C, D

LC

Pn

C, Aq

112

 

Sciaenidae

Atrobucca nibe (Jordan & Thompson, 1911)

Blackmouth croaker

A, B

NE

H

C

113

 

 

Bahaba chaptis (Hamilton, 1822)

Chaptis bahaba

A, B

DD

H

C

114

 

 

Chrysochir aureus (Richardson, 1846)

Reeve's croaker

A, B, C, D

NE

H

C

115

 

 

Daysciaena albida (Cuvier, 1830)

Bengal corvine

A, B, C, D

NE

H

C

116

 

 

Dendrophysa russelii (Cuvier, 1829)

Goatee croaker

A, B, C, D

NE

H

C

117

 

 

Johnius belangerii (Cuvier, 1830)

Belanger's croaker

A, B, C, D

NE

H

C

118

 

 

Johnius carutta Bloch, 1793

Karut croaker

A, B

NE

H

C

119

 

 

J. dussumieri (Cuvier, 1830)

Sin croaker

A, B

NE

H

C

120

 

 

Macrospinosa cuja (Hamilton, 1822)

Cuja bola

B, C

NE

H

C

121

 

 

Nibea coibor (Hamilton, 1822)

Ganges jaw fish

A, B, C, D

NE

H

Ss

122

 

 

N. maculate (Bloch & Schneider, 1801)

Blotched croaker

A, B, C, D

NE

H

C

123

 

 

Otolithes ruber (Bloch & Schneider, 1801)

Tigertooth croaker

A, B

NE

H

C, Gf

124

 

 

Protonibea diacanthus (Lacepède, 1802)

Blackspotted croaker

A, B

NE

H

C

125

 

Scombridae

Auxis thazard (Lacepède, 1800)

Frigate tuna

A, B

LC

H

C, Gf

126

 

 

Euthynnus affinis (Cantor, 1849)

Kawakawa

A, B, C, D

LC

Pn

C, Gf

127

 

 

Katsuwonus pelamis (Linnaeus, 1758)

Skipjack tuna

A, B, C, D

LC

Pn

C, Gf

128

 

 

Rastrelliger kanagurta (Cuvier, 1816)

Indian mackerel

A, B, C, D

DD

H

C, Gf

129

 

 

Scomberomorus commerson (Lacepède, 1800)

Barred Spanish mackerel

A, B, C, D

NT

Pn

C, Gf

130

 

 

S. guttatus (Bloch & Schneider, 1801)

IndoPacific king mackerel

A, B, C, D

DD

H

C, Gf

131

 

 

S. lineolatus (Cuvier, 1829)

Streaked seerfish

A, B, C, D

LC

H

C, Gf

132

 

 

Thunnus albacares (Bonnaterre, 1788)

Yellowfin tuna

A, B, C, D

NT

H

C, Gf

133

 

 

T. obesus (Lowe, 1839)

Bigeye tuna

A, B

VU

H

C, Gf

134

 

 

T. tonggol (Bleeker, 1851)

Longtail tuna

A, B

DD

H

C, Gf

135

 

Serranidae

Cephalopholis aurantia (Valenciennes, 1828)

Golden hind

A

LC

H

C

136

 

 

Cephalopholis formosa (Shaw, 1812)

Blue lined hind

A, B, C, D

LC

H

Sf

137

 

 

Cromileptes altivelis (Valenciennes, 1828)

Humpback grouper

A

DD

H

C, Ac

138

 

 

Epinephelus areolatus (Forsskål, 1775)

Areolate grouper

B

LC

H

C

139

 

 

E. bleekeri (Vaillant, 1878)

Dusky tail grouper

B

DD

H

C, Ac

140

 

 

E. coioides (Hamilton, 1822)

Orange-spotted grouper

A, B, C, D

LC

H

C, Ac

141

 

 

E. latifasciatus (Temminck & Schlegel, 1842)

Striped grouper

B

LC

H

C

142

 

 

E. radiatus (Day, 1868)

Oblique-banded grouper

B

LC

H

C

143

 

Siganidae

Siganus stellatus (Forsskål, 1775)

Brown-spotted spinefoot

A, B

LC

Vn

C

144

 

Sillaginidae

Sillago sihama (Forsskål, 1775)

Silver sillago

A, B, C, D

LC

H

C

145

 

Soleidae

Synaptura albomaculata Kaup, 1858

Kaup's sole

A, B

NE

H

C

146

 

 

S. commersonnii (Lacepède, 1802)

Commerson's sole

A, B, C, D

NE

H

C

147

 

Sphyraenidae

Sphyraena obtusata Cuvier, 1829

Barracuda

A, B, C, D

NE

H

C, Gf

148

 

Stromateidae

Pampus argenteus (Euphrasen, 1788)

Silver pomfret

A, B, C, D

NE

H

C

149

 

 

P. chinensis (Euphrasen, 1788)

Chinese silver pomfret

A, B, C, D

NE

H

C

150

 

Terapontidae

Terapon jarbua (Forsskål, 1775)

Jarbua terapon

A, B, C, D

LC

H

C

151

 

 

T. puta Cuvier, 1829

Small-scaled terapon

A, B

NE

H

C

152

 

 

T. theraps Cuvier, 1829

Large-scaled terapon

A, B

LC

H

C

153

 

Trichiuridae

Eupleurogrammus glossodon (Bleeker, 1860)

Long tooth hairtail

A, B, C, D

NE

H

C

154

 

 

E. muticus (Gray, 1831)

Small head hairtail

A, B, C, D

NE

H

C

155

 

 

Lepturacanthus savala (Cuvier, 1829)

Savalai hairtail

A, B, C, D

NE

H

C

156

 

 

L. pantului (Gupta, 1966)

Coromandel hairtail

A, B

DD

H

C

157

 

 

Trichiurus gangeticus Gupta, 1966

Ganges hairtail

A, B, C, D

NE

H

C

158

Siluriformes

Ariidae

Arius arius (Hamilton, 1822)

Threadfin sea catfish

A, B, C, D

NE

Tr

C

159

 

 

A. jella Day, 1877

Blackfin sea catfish

A, B, C, D

NE

Tr

C

160

 

 

A. maculatus (Thunberg, 1792)

Spotted catfish

A, B, C, D

NE

Tr

C

161

 

 

Nemapteryx caelata (Valenciennes, 1840)

Engraved catfish

A, B

NE

Tr

C

162

 

 

Plicofollis dussumieri (Valenciennes, 1840)

Blacktip sea catfish

B

LC

Tr

Ss

163

 

 

Sciades sona (Hamilton, 1822)

Sona sea catfish

B

LC

Tr

C

164

 

Plotosidae

Plotosus canius Hamilton, 1822

Gray eel-catfish

B

NE

Vn

C

165

Tetraodontiformes

Diodontidae

Diodon holocanthus Linnaeus, 1758

Long spined porcupinefish

A, B

LC

Pn

C, Aq

166

 

Tetraodontidae

Arothron hispidus (Linnaeus, 1758)

White-spotted puffer

A, B

LC

Pn

C, Aq

167

 

 

Chelonodon patoca (Hamilton, 1822)

Milkspotted puffer

A, B, C, D

LC

Pn

C

168

 

 

Lagocephalus guentheri MirandaRibeiro, 1915

Diamondback puffer

A, B, C, D

LC

H

Ss

169

 

 

Takifugu oblongus (Bloch, 1786)

Lattice blaasop

A, B, C, D

LC

H

Ss

170

 

Triacanthidae

Triacanthus biaculeatus (Bloch, 1786)

Short-nosed tripodfish

A, B

NE

H

C

171

 

Ostraciidae

Tetrosomus gibbosus (Linnaeus, 1758)

Humpback turretfish

B

LC

Vn

C, Aq


Station: A = Machilipatnam; B = Nizampatnam; C = Vodarevu; D = Pakala. IUCN Status: VU = Vulnerable; LC = Least Concern; NE = Not Evaluated; DD = Data Deficient; NT = Near Threatened; EN=Endangered. Threat to Humans: Harmless = H; Traumatogenic = Tr; Venomous = Vn; Poisonous = Pn. Human Use: C = Commercial; F = Fisheries; Aq = Aquarium, Ss = Scientific study; Sf = Subsistence fisheries; Ac = Aquaculture; Gf = Gamefish; Ukn = Unknown.

 

Diversity Indices

The species diversity indices viz., i) Shannon-Wiener species diversity index (H’) (Shannon and Wiener, 1949), ii) Margalef richness index (SR) (Margalef, 1968) and iii) Simpson’s dominance index (D) (Simpson, 1949) were analyzed using the PAST (Palaeontological Statistics) software (Version 2.02).

 

Shannon-Weiner’s diversity index;

 

Image103378508.PNG

 

where, H’ = species diversity in bits of information per individual; Pi = ni/N (proportion of the samples belonging to the species; ni = number of individuals in all the samples; N = total number of individuals in the collection).

 

Margalef Species richness index;

 

Screenshot%202021-07-28%20at%2011.05.21.png 

 

where, S = total number of species, and N = total number of individuals in the collection.

 

Simpson’s Dominance index;

 

Image103378509.PNG 

 

where, ni = number of individuals in the ‘each’ species, N = total number of individuals, S = total number of species.

 

RESULTS AND DISCUSSION

 

A comprehensive checklist of the species of fish recorded, the common names, site of occurrence at landing sites, IUCN status, risk to humans and usage are presented in Table 2. In the present study, a total of 171 species belonging to 14 orders, 63 families and 128 genera were recorded from four fish landing stations of Andhra Pradesh viz. Nizampatnam, Machilipatnam, Vodarevu, and Pakala. Of the total species, 17 species belonged to Chondrichthyes/Elasmobranchii, and 154 species belonged to Osteichthyes/Actinopterygii. The total number of species in various genera, families and orders recorded are presented in Table 3.

 

In India, mention may be made to the earlier works of Sudarsan (1988) which provided key to 273 species of fish in trawl catches off Visakhapatnam. Krishnan and Mishra (1993) reported 114 species from Kakinada, east coast of India. Sujatha (1995) reported 228 fish species belonging to 68 families from Visakhapatnam, Andhra Pradesh, southeast coast of India. Barman et al. (2004) documented 580 fish species under 292 genera, 121 families, and 27 orders from Andhra Pradesh. Gibinkumar et al. (2012) reported 191 fish species belonged to 12orders, 59 families and 109 genera from Cochin, southwest coast of India. Sambandamoorthy et al. (2015) reported123 fish species belonging to 13 orders, 49 families and 2 genera from the southeast coast of India.

 

The variation in the species number reported by different workers over a period of time could be due to the change in climate or the prevailing environmental conditions. In India, Andhra Pradesh is the second most cyclone-affected state (Babu et al., 2014; Bharti et al., 2017). During the study period, the impact of many cyclonic storms such as Titli, Gaja, and Phethai experienced on this coast might have prevented the fish from venturing into the sea resulting in less number of species recorded. The considerable decline might also be due to the reduction in the days of fishing due to cyclonic storms in Andhra Pradesh (FRAD, 2019).

 

Table 3: Number of Orders, Families, Genera and Species recorded in the present study.

 

S. No Order Family Genus Species
1 Carcharhiniformes 2 5 7
2 Myliobatiformes 2 4 5
3 Orectolobiformes 1 1 1
4 Rhinopristiformes 2 2 2
5 Torpediniformes 2 2 2
6 Anguilliformes 3 4 4
7 Aulopiformes 1 2 2
8 Beloniformes 3 4 4
9 Clupeiformes 4 13 22
10 Elopiformes 1 1 1
11 Mugiliformes 1 3 4
12 Perciformes 35 75 103
13 Siluriformes 2 5 7
14 Tetraodontiformes 4 7 7
  Total 63 128 171

 

 

The relative percentage abundance of various orders of fish and the respective families, genera and species recorded from landing stations are depicted in Figures 3 and 4. The number of species recorded from various orders of fish is: Perciformes (60.23%) with 103 species, followed by Clupeiformes (12.86%) with 22 species, Siluriformes, Carcharhiniformes and Tetraodontiformes (4.09%) with 7 species each, Myliobatiformes (2.92%) with 5 species, Anguilliformes, Beloniformes, and Mugiliformes (2.33%) each with 4 species, Aulopiformes, Rhinopristiformes and Torpediniformes (1.16%) with 2 species each, and Elopiformes and Orectolobiformes (0.58%) with 1 species each. Among the orders, Perciformes is dominant (60.23%) representing 35 families with 103 species, a trend that is similar across various independent studies. Kar et al. (2017) reported 157 perciform species from coastal waters of West Bengal, and Jayaprabha et al. (2018) recorded 113 perciform species from Tamil Nadu, southeast coast of India.

 

 

Table 4: Fish taxa in the four landing stations along coastal Andhra Pradesh.

 

Taxa Landing Stations
A B C D
Class 2 2 2 2
Order 12 13 9 7
Family 51 59 31 30
Genus 106 118 69 67
Species 143 159 91 86


A = Machilipatnam; B = Nizampatnam; C = Vodarevu; D = Pakala

 

Considering the station-wise landing data, the number of species recorded at station B (159) and A (143) are relatively higher than those at stations C (91) and D (86) (Table 4). The majority of species numbering 73 (42%) were recorded in all four stations and in particular, 60 species (35%) were common in both A and B stations. This variation in species number may be due to the availability of mechanized trawl catches and fishing harbour facilities at stations A and B rather than at C and D. It is evident that among 171 species, commercial fishes are 153, and the remaining fishes are used for aquarium, aquaculture, fisheries, and sports and for research studies (Table 2).

 

The Indian coastline contributes rich diverse fishery resources having substantial economic value (Darwin and Padmavathi, 2020). Despite commercial significance, no attempt has been made so far to know the conservation status for these fishes. According to IUCN red list of conservation status, among 171 fish species, 78 species (45.61%) are marked as Least Concern (LC), 65 species (38%) as Not Evaluated, 13 species (7.60%) as Data Deficient (DD) due to lack of adequate information, 6 species (3.5%) each as Near Threatened (NT) and Vulnerable (VU) and 3 species (1.75%) as Endangered (EN) (Figure 5). Out of 171 species, 65 species are not yet evaluated indicating an urgent need of conservation studies in these areas for establishing sustainable marine fisheries along the coast of Bay of Bengal. The conservation of fish also requires further studies on their complex life cycles.

 

 

Overfishing is one of the severe concerns affecting the community structure of fish with threatening and extinction of species (Jackson et al., 2001). Since the White cheek shark, Carcharhinus dussumieri, Broadfin Shark, Lamiopsis temminckii and Longheaded eagle ray, Aetobatus flagellum are recognized as Endangered (EN) species, immediate steps should be taken to stop catching these fish species for at least few years to rise their number to a reasonable level. Similarly, Blacktip shark Carcharhinus limbatus, Hammer head shark Sphyrna zygaena, Honeycomb stingray Himantura uarnak, Sharp nose stingray Maculabatis gerrardi, Giant guitarfish Rhynchobatus djiddensis, and Bigeye tuna Thunnus obesus are identified as Vulnerable (VU) fish species. Therefore, effective steps are essential to conserve the species and maintain harmony in the marine community and ensure sustainable management practice in the near future.

 

Different diversity indices were calculated with respect to four different sampling stations of coastal Andhra Pradesh. The values of Shannon-Wiener species diversity index (H’), and Margalef species richness index (SR) and Simpson dominance index value (D) were presented in Table 5. The maximum Shannon Diversity Index (5.069) was found at Nizampatnam station and the minimum (4.454) at Pakala. The highest Margalef species richness index (SR) of 31.17 was observed at Nizampatnam station whereas the lowest value of 19.08 at Pakala station. The maximum Simpson dominance value (D) of 0.994 was noticed at Nizampatnam and the minimum 0.988 in Pakala landing site.

 

Table 5: Fish Diversity Indices in Four Sampling Stations along Coastal Andhra Pradesh.

 

Sampling Stations Diversity indices
H’ SR D
Machilipatnam 4.963 28.61 0.993
Nizampatnam 5.069 31.17 0.994
Vodarevu 4.511 19.95 0.989
Pakala 4.454 19.08 0.988


H’ = diversity index; SR = species richness; D = dominance

 

Two main components involved in diversity of species are the species richness and distribution of individuals among species where the evaluation of species richness is complex (Williamson, 1973). In Shannon-Weiner index, the water and soil in aquatic environment has been considered as very poor quality when it is <1, poor quality 1-2, moderate quality 2-3, good quality 3-4. In the present study, the Shannon index was within the range of 5.069 - 4.454 which indicated that these study stations are in favorable conditions. A community becomes more divergent as the stress increases and consequently the species diversity decreases with unfavourable environmental conditions.A community with relatively few species represents that the environment is under stress (Plafkin et al., 1989). Species richness (SR) and Dominance (D) indices were found to be highest in Nizampatnam followed by Machilipatnam, Vodarevu and Pakala. The indices values were highest in Nizampatnam and Machilipatnam stations which indicate favourable conditions for fish abundance. When the temporal variation was compared, the species dominance among all the stations did not vary for a greater magnitude. The reason for more number of species at Nizampatnam and Machilipatnam stations might be due to the influx of estuarine species through Krishna river water to the marine fish stocks in between these landing stations. In addition to this, the ecological conditions have an effect on the distribution of fish species.

 

CONCLUSION

 

The present study provides information on marine fish diversity along the four landing stations of coastal Andhra Pradesh. It is evident that the recorded 171 species of fish upholds a vital fishery along the southeast coast of India. However, the species reported in the present study are lesser than those reported by Sudarsan (1981), Sujatha (1995), Barman et al. (2004), Gibinkumar et al. (2012), Kar et al. (2017). Most of the threats to the fish diversity in India are due to several natural and anthropogenic stress factors (Das et al., 2004; Gopi and Mishra, 2015; Joshi et al., 2015). The non-availability and less availability of some species indicate an alarming decline of marine fish diversity in the surveyed area and perhaps in the country as a whole. It is imperative to undertake a state-wide analysis of qualitative and quantitative availability of natural fish resources and the conservation status of marine fish. Therefore, a detailed long-term investigation of marine fish is needed to protect and conserve the species through effective policy decisions. This will pave the way for better conservation of natural fish diversity and benefit the mankind for more sustainable livelihood approach in the near future.

 

ACKNOWLEDGMENTS

 

The authors are thankful to the University Grants Commission (UGC), New Delhi, Government of India, for granting BSR (Basic Scientific Research) fellowship to Mr. Darwin Chatla and the authorities of Acharya Nagarjuna University for providing the necessary amenities to complete this work in the Department of Zoology & Aquaculture.

 

AUTHOR CONTRIBUTIONS

 

Both the authors contributed equally.

 

Conflict Of Interest

The authors have no conflicts of interest to the content of this article.

 

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