Mactra (Mactra) mera   Deshayes  (Clam)
Organism information awaits expert curation
Class: Bivalvia

Image copyrights: Government of India

Size: length 41.7-68.4 mm; width 29.55-58.70 mm; height 23.55-44.35 mm

Color: Shining light yellowish with violet umbonal region.

Shell ovately triangular, inequilateral. Umbo elevated. It is sculptured with fine concentric striae. Lunule ovate.

Synonym (s)
Mactra mera Deshayes, 1853
Mactra mera Deshayes in Reeve, 1854
Mactra antiquata Reeve (non Spengler), 1854
Mactra (Mactra) mera Prashad, 1932

Common Name (s)
Economic Importance and Threats

Habitat:  Sandy, Coastal


• Orissa, Chilika Lake INDIA (Record: 1987)
• West Bengal, Ganga Sagar INDIA (Record: 03/09/1979)
• West Bengal, Digha INDIA (Record: 1992)
• West Bengal, Medinipur INDIA (Record: 1992)
• West Bengal, South 24 Parganas INDIA (Record: 1992)
• Maharashtra INDIA (Record: 1992)
• Orissa INDIA (Record: 1992)
• Tamil Nadu INDIA (Record: 1992)
• Tamil Nadu, Kundugal Point INDIA (Record: 1991)
• Orissa, Chandipur INDIA (Record: 05/1917, 04/03/1939, 24/06/1949, 03/11/1962-06/11/1962)
• Orissa, Kasafal INDIA (Record: 21/01/1972-23/01/1972)
• Orissa, Chandrabhaga INDIA (Record: 17/03/1973)
• Orissa, Gopalpur INDIA (Record: 30/03/1973)
• West Bengal, Sagar Island INDIA (Record: 1991)
• Tamil Nadu, Chennai INDIA (Record: 1991)
• Maharashtra, Mumbai INDIA (Record: 1991)
• West Bengal, Digha Coast INDIA

Literature Source(s)
  • Rao, NVS; Rao, KVS and Manna, RN (1995) Mollusca Wetland ecosystem series 1: Fauna of Chilka lake ZSI, Calcutta 391-468 Available at - NIO, Goa
  • Subba Rao, NV; Dey, A and Barua, S (1992) Estuarine and marine molluscs Fauna of West Bengal Part 9 (State fauna series 3) ZSI, Calcutta 129-268 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Rao, NVS; Rao, KVS and Maitra, S (1991) Marine molluscs State fauna series 1: Fauna of Orissa Zoological Survey of India, Calcutta Part 3 1-175 Available at - NIO, Goa
  • Dey, M and Mitra, A (2005) Molluscan community around Digha coast, West Bengal, India Journal of Environment and Sociobiology Social Environmental and Biological Association, Kolkata, India 2(1&2) 43-47 Available at - NIO, Goa

Page last updated on:2011-12-15

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