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Proceedings of the International Academy of Ecology and Environmental Sciences, 2018, 8(4): 213-230
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Article

Freshwater fish fauna of Tamil Nadu, India

H.S. Mogalekar1,2, J. Canciyal3
1Fisheries College and Research Institute, Thoothukudi - 628 008, Tamil Nadu, India
2College of Fisheries, Dholi, Muzaffarpur - 843 121, Bihar, India
3Central Inland Fisheries Research Institute, Barrackpore, Kolkata - 700 120, West Bengal, India

Received 20 June 2018;Accepted 30 July 2018;Published 1 December 2018
IAEES

Abstract
A systematic, updated checklist of freshwater fish species of Tamil Nadu consist of 226 species representing 13 orders, 34 families and 93 genera. The top order with diverse species composition was cypriniformes with 125 species, 39 genera and four families. Cyprinidae contributed 48.89 % to total freshwater fishes of Tamil Nadu. Tamil Nadu constitutes about 43.11 % to the endemic freshwater fishes of India and 40.09 % to the total endemic fish diversity of Western Ghats of India. The trophic level of freshwater fishes of Tamil Nadu ranged from 2.0 to 4.5 containing 45.37 % of mid-level to high level carnivores. Assessment of the fishery status of freshwater fishes of Tamil Nadu revealed existence of 132 species worth for capture fishery, 132 species worth for ornamental fishery, 50 species worth for culture fishery and 28 species worth for gamefish fishery. Selective breeding and ranching of native fish species may help to overcome the difficulties of species endangerment. Collection of fishes from wild to develop the brood stock for captive breeding, seed production, experimental aquaculture of fast growing fishes and colourful fishes for aquarium purposes could be potential source of income in the rural areas of Tamil Nadu.

Keywords freshwater fish fauna;, endemism;trophic level;fishery status;Tamil Nadu;India.


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