In general bivalves are, found in abundance in seashores and
estuaries and form the food of many coastal people in India.
Donacids. Are suspension filter feeders inhabiting seawaters of
tropical and subtropical areas. Donax Scortum (wedge clam) is a
common. And important member of the bivalve fauna of muddy beach
substrata on Southern Karnataka coast. This, wedge clam belonging
.To the, family Donacidae is found around the Indian coast e.g. North
[39], [], East 21 45 and West [47] coasts. From Indian. Waters the
Chemical, compositions of D. Incarnatus and D. Cuneatus have been
studied [,]. Amylase 11 35 and protease activities. Were studied in the
gut of, wedge clam D. Cuneatus [40]. The biochemical composition of
mollusc is influenced by, its sizeGrowth and reproductive status.
Bivalve molluscs are potential sources of, valuable proteins
carbohydrates and minerals. And abundantly available in India. D.
Scortum does not occur in dense population at the Padukere beach
Karnataka but plays,,, A major role in the function of ecosystems near
to the mouth of Udyavara river. The present study dealing with the
variations. In the, total proteinCarbohydrates lipids and, calorific
contents of largest wedge clam from this area may be of help in
studying ecological. Energy models. Mart í nez-Pita et al. [28] analysed
sex-related differences in lipid classes and fatty acid profile. Total
lipids. Were higher in females than in males. Further they, reported
that that triglycerides and phospholipids were the major, lipid
componentsAnd the former dominated in females and the latter in
males. Literature on Biochemical of the donacid species is scanty. In
India. Various patterns of fluctuation of biochemical components in.
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