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The study focused on the decline in the Marine fishery resources caught by the trawlers. Different Species of the Marine catch like Skates, Rays, Cat fish, Wolf herring, Anchovies, Stolphorous, Thryssa, OtherClupeids, Flyingfish, other perches, Gastropods and Big Pamfrets declined. The decline in catch rate is more for the species like Halibut followed by Stomatopods and Silver bellies. High valued species like Stomatopods (-29.66), Lobsters (-18.53), Silver bellies (-15.85), Seer fish (-18.33), Penaeid Prawns (-10.38), Non Penaeid Prawns (-11.53) and Cephalopods (-11.05) showed a declining trend which affects the economic sustainability of the trawler fishery in Kerala. The most prominent centre of the trawl catch in Kerala namely the Neendakara –Shakthikulangara marked a considerable decline in the varieties of the Marine resources caught as a comparison is made between the years 2002 and 2011.

Decline in Marine Fishery Resources of the Trawler Sector in Kerala –An Economic analysis