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The Indian swellshark Cephaloscyllium silasi The Indian swellshark Cephaloscyllium silasi (Talwar, 1974) (Family: Scyliorhinidae), is reported for the first time in Andaman Islands, India which is a considerable extension of its known distribution range with more than 1000 km. This is the first confirmed geographic distributional record of poorly known deepwater Indian swellshark C. silasi in the Andaman Sea and outside its type locality.
The catshark, Proscyllium magnificum found in Andaman Magnificent catshark, Proscyllium magnificum Last & Vongpanich,2004, reported first time from Indian EEZ, off Andaman Islands in the Bay of Bengal.The two specimen P. magnificum (22.7-32.8 cm TL) caught by deep sea trawlers off South of Sentinel Island at depth of 300 m and landed at Junglighat fish landing centre, Port Blair formed material for the second report of P. magnificum after original description and first report from India.
Pseudanthias pillai : A new member among the Serranids Researchers have discovered two new species of marine fishes from the southwest coast of India, in the Arabian Sea.
Colletteichthys flavipinnis, a new toadfish species from Sri Lanka and India The third known species in the genus Colletteichthys is described from Sri Lanka and India. Colletteichthys flavipinnis differs from C. dussumieri in having one instead of two or more tentacles above the eye.

Andaman and Nicobar Islands

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Fishing - The main livelihoodAndaman Nicobar Island is located in the Indian Ocean in the Southern reaches of the Bay of Bengal. There are about 572 islands in the territory of which only 38 are permanently inhabited. The EEZ around the island encompasses an area of 0.6 million sq km forming about 28% of the Indian EEZ. The Andaman Sea, encircled by islands and land areas has been a distinctly closed and isolated basin during the Pleistocene and the sea level was estimated as being 100 m lower than at. Several fish species were evolved in the closed basin and became endemic species to the Andaman Sea at. Thus the Andaman Sea coast Andaman and Nicobar Islands shows much abundant coastal fish fauna, because of its situation at the junction of the two Oceans, having much variable habitats as coral reefs, sandy beaches, mad flats, and mangroves, and several numbers of endemic fish species.

Globally chondrichthyans (Shark, Skates, Rays & Chimaera) has become a major hot discussion due to their status, conservation and increasing threat. Andaman and Nicobar Islands is one of largest oceanic archipelago system. It’s located between lat. 6 ͦ - 14 ͦ N and Long. 92 ͦ - 94 ͦ E in southern reaches of Indian Ocean. About 28% of country Exclusive Economic Zone (EEZ 0.6 million km2) falls under territorial jurisdiction encompassing 1,192 km coastline (Comprising 572 islands). The continental shelf are limited (estimated area of 16,000 km2) and the sea is very deep within few 100 meters from the shore. Union territory Andaman and Nicobar Islands is situated more than 1200 kilometers away from Mainland. Ichthylogical stdolphinudies initiated by Alcock during 20th century continued later by some Ichthyologist and many of species has been discovered from Andaman Sea. As per fisheries department, Andaman and Nicobar administration operated commercial mechanised boats (55), Motorised boats (1293), non-mechanised (1465) crafts and gears are operating and interesting species composition are landed every day. Many of the sharks and rays and it’s targeted fishery has been observed from multiday operating crafts. As of 2013 maximum of 64 chondrichthyans species out of 1434 species of fishes are reported from Andaman and Nicobar Islands.
The tropic waters of Andaman and Nicobar Islands sustain extremely diverse and rich ichthyofauna which forms the basis of livelihoods for thousands of local fishermen. Research on chondrichthyans from Islands is scarce and limited knowledge are available which led us to explore the ichthyofaunal resource. Recent investigation by various researchers resulted with some interesting findings on sharks and rays from Andaman and Nicobar waters viz. Rhincodon typus, Pseudocarcharias kamoharai, Cephaloscyllium silasi, Proscyllium magnificum, Hemigaleus microstoma, Carcharhinus plumbeus, Squalus megalops, Centrophorus acus, Centrophorus moluccensis, Cruriraja andamanica, Plesiobatis daviesi, Himantura granulata, Mobula thurstoni.
 
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Written on 26 October 2011, 07.40 by admin
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Species of The Month

Written on 07 October 2011, 14.02 by admin
malabar-grouper The Malabar grouper (Epinephelus malabaricus), a member of groupers is one of the largest and most common cod found in tropical estuaries and on coastal...

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