Occurence of hammer oyster, Malleus albus near Nachikuppam, Chennai

Sethi, S N and Poovannan, P (2011) Occurence of hammer oyster, Malleus albus near Nachikuppam, Chennai. Marine Fisheries Information Service (208). p. 25.

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Abstract

The hammer oyster, Malleus albus is placed under Class Bivalvia, Subclass Pteriomorphia, Order Pterioida, Superfamily Pteriacea, Family Malleidae. The oyster is locally called suti ali. These oysters (Fig. 1 a and b) were caught by fishermen from Nachikuppam, 1-2 km off Chennai using Nakkuvalai, a bottom set gillnet, at a depth of 5-7 fathoms. The maximum and minimum shell length was 156 mm and 77 mm and the average length and weight were 117 mm and 29 g respectively.

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