Anadara antiquata   (Linnaeus,  1758) (Clam)
Organism information awaits expert curation
Class: Bivalvia

Image copyrights:

Size: 5 cm TL

Color: Outside of shell greyish white, often stained darker grey on umbonal and posterior areas. Periostracum dark brown. Inner side white, sometimes light yellow in the umbonal cavity.

Shell inequivalve, solid, inequilateral, obliquely ovate and elongate in outline, with an extended posteroventral part. Umbones much inflated, situated rather forwards. Cardinal area is narrow and elongate. About 40 radial ribs (35 to 44) are present at each valve. Ribs usually have a narrow median groove on top, most visible towards the anterior ventral margin of valves in mature specimens. Periostracum is coarse and velvety, often eroded on umbones. Internal margins have strong crenulations corresponding with the external radial ribs. No byssal gape.

Synonym (s)
Anadara maculosa (Reeve, 1844)
(Junior synonym)
Anadara scapha (Meuschen, 1781)
(Junior synonym)
Anadara vetula Dall, Bartsch, & Reh, 1938
(Junior synonym)

Common Name (s)
• Antique Ark
Economic Importance and Threats
Importance:  Commercial

Habitat:  Benthic, Reef Associated, Rocky, Sandy, Muddy
Trophic Level:  Consumer
Prey:  Phytoplankton (diatoms, dinoflagellates, green algae).


• Karnataka, Netrani Island (Lat: 14.01) (Long: 74.33) INDIA (Record: 08/05/2006) (Depth: -12 mts)

Literature Source(s)
  • Tikadar, BK; Daniel, A and Subbarao, NV (1986) Sea shore animals of Andaman and Nicobar Islands The Director, ZSI, Kolkatta 188 Available at - ZSI, Pune
  • Oliver, PG; Holmes, AM; Killeen, lJ and Wood, H (2004) Annotated checklist of the marine Bivalvia of Rodrigues Journal of Natural History Taylor and Francis 38 3229-3272 Available at -
  • Saad, MAH (1984) Proceedings of the Symposium on Coral Reef environment of the Red Sea King Abdulaziz University, Saudi Arabia 1-681 Available at - NIO, RC Kochi
  • Allen, GR (2005) Reef fishes of northwestern Madagascar RAP Bulletin of Biological Assessment 31 39-48
  • Sealifebase Available at -
  • Kasigwa, PF and Mahika, CG (1991) The diet of the edible cockle Anadara antiquata L. (Bivalvia, Arcidae) in Dar es Salaam, Tanzania, during the northeast monsoons Hydrobiologia Springer Netherlands 209(1) 7-12 Available at -
  • Zacharia, PU; Krishnakumar, PK; Dineshbabu, AP; Vijayakumaran, K; Rohit, P; Thomas, S; Sasikumar, G; Kaladharan, P; Durgekar, RN and Mohamed, KS (2008) Species assemblage in the coral reef ecosystem of Netrani Island off Karnataka along the southwest coast of India Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin, India 50(1) 87-97 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Available at -

Page last updated on:2010-05-19

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