Pinna bicolor   Gmelin,  1791 (Clam)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Mollusca
Class: Bivalvia
Order:Pterioida
Family:Pinnidae

Image copyrights: Guido T. Poppe & Philippe Poppe

Description
Size: 50-250 mm.

Color: Chocolate brown.

No teeth, anisomyarian, spines or sharp scales, blackish dark bands on surface. The shell is broadly to attenuately triangular in shape, posterior margin truncate or convex-rounded, valves heavy and thick or rather thin and fragile; valves translucent and of light horn to dark purplish brown colour, 8 to 17 radiating ribs which are sometimes scarcely visible present. Spines almost absent except in the posterior region, fine concentric growth lines present, dorsal margin straight or slightly convex, interior of valves light smoky horn to dark purplish brown in colour, nacreous area iridescent


Synonym (s)
Pinna deltodes (non Menke, 1843)
(Misidentification)
Pinna atropurpurea Sowerby, 1825
(Junior synonym)
Pinna cochlearis H. Fischer, 1901

Common Name (s)
Economic Importance and Threats
Importance:  Commercial
(Edible, used for decoration)

Ecology
Habitat:  Reef Associated, Sandy, Muddy
Trophic Level:  Consumer

Biogeography


• Andaman and Nicobar Islands, Nicobar Islands (Lat: 7) (Long: 93) INDIA
• Andaman and Nicobar Islands, Andaman Islands (Lat: 10) (Long: 93) INDIA
• Gujarat, Gulf of Kachchh (Lat: 22.6) (Long: 69.5) INDIA
• Gujarat, Balapur Reef INDIA
• Tamil Nadu, Parangipettai Coast (Lat: 11.48) (Long: 79.77) INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Tamil Nadu, Palk Bay INDIA
• Tamil Nadu, Dhanushkodi INDIA
• Tamil Nadu, Mandapam INDIA
• Tamil Nadu, Porto Novo (Lat: 11.48) (Long: 79.77) INDIA
• Tamil Nadu, Gulf of Mannar (Lat: 78.13) (Long: 8.58) INDIA (Record: 01/1994-12/1995)
• Tamil Nadu, Gulf of Mannar (Lat: 79.5) (Long: 9.33) INDIA (Record: 01/1994-12/1995)

Literature Source(s)
  • Subba Rao, NV and Dey, A (2000) Catalogue of marine molluscs of Andaman and Nicobar Islands Occasional paper no 187 Records of the Zoological Survey of India ZSI 1-323 Available at - NCL, Pune
  • Shanmugam, A; Rajagopal, S and Nazeer, RA Common bivalves of Parangipettai coast Available at - NIO, Goa
  • OBIS Indo-Pacific molluscan database Available at - http://clade.ansp.org/obis/find_mollusk.html
  • Nagabhushanam, AK and Krishnan, S (1993) Observations on the distribution of some of the marine organism inhabiting the inter-tidal zone along the western continental shelf of the Bay of Bengal, with particular reference to the Tamil Nadu coastal strip Records of the Zoological Survey of India 93(3-4) 449-490 Available at - ZSI, Pune
  • Subba Rao, NV and Sastry, DRK (2005) Fauna of Marine National Park, Gulf of Kuchchh (Gujarat) ZSI 79 pp Available at - NCL, Pune
  • Ehrhardt, MG and Burns, KA (1993) Hydrocarbons and related photo-oxidation products in Saudi Arabian Gulf coastal waters and hydrocarbons in underlying sediments and bioindicator bivalves Marine Pollution Bulletin 27 187-197 Available at - Zoological Records
  • Allen, GR (2005) Reef fishes of northwestern Madagascar RAP Bulletin of Biological Assessment 31 39-48
  • Hosseinzadeh, H; Daghoghi, B and Rameshi, H (2001) Atlas of the Persian Gulf molluscs Oman sea fisheries research center, Oman 208 Available at - NIO, Goa
  • Sealifebase Available at - http://www.sealifebase.org/
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Appukuttan, KK (1996) Marine molluscs and their conservation Marine Biodiversity Conservation And Management CMFRI, Cochin 66-79 Available at - http://eprints.cmfri.org.in/4097/1/Article_6.pdf
  • Samuel, VD; Chacko, D and Edward, JKP (2005) Preliminary study on the molluscan diversity of “the lost world’’– Dhanushkodi, east coast of India Proceedings of the National Seminar on Reef Ecosystem Remediation SDMRI Special Research Publication No.9 54-58 Available at - http://www.sdmri.org/reports/proceedings%202005%20-%20sdmri.pdf
  • Gopalakrishnan, P (1970) Some observations on the shore ecology of the Okha Coast Journal of the Marine Biological Association of India Cochin, India 120(1&2) 15-34 Available at - NIO, Goa
  • Nayar, KN and Mahadevan, S (1974) Edible Bivalves; Clams and others The commercial molluscs of India Bulletin Of Central Marine Fisheries Research Institute CMFRI, Cochin 25 40-53 Available at - http://eprints.cmfri.org.in/643/1/Nagappan_and_Mahadeven1.pdf
  • Sundaram, KS; Sarvesan, R; Mohamed, KH and Shanbhogue, SL (1969) Catalogue of molluscs, prawns, stomatopods and marine algae in the reference collections of the central marine fisheries research institute Bulletin Of Central Marine Fisheries Research Institute CMFRI, Cochin 9 1-52 Available at - http://eprints.cmfri.org.in/570/1/Bulletin_9.pdf
  • Jayabal, R and Kalyani, M (1989) Check list of estuarine and marine bivalves of Porto Novo waters Mahasagar NIO, Goa 22(3) 147-150 Available at - NIO,Goa
  • Hameed, PS and Somasundaram, SSN (1998) A survey of bivalve molluscs in Gulf of Mannar, India Indian Journal of Fisheries Indian journal of Fisheries for the Indian Council of Agricultural Research, Kochi, India 45(2) 177-181 Available at - http://epubs.icar.org.in/ejournal/index.php/IJF/article/download/8741/3650

Page last updated on:2012-03-07

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