Isognomon legumen   (Gmelin,  1790) (Oyster)
Organism information awaits expert curation
Class: Bivalvia

Image copyrights: Bisyogai Database

Size: Length 29.80-34.90 mm; height 20.38-36.46 mm; thickness 5.32-8.37 mm

Color: White to cream

Shell fragile with delicate edges, hinge line straight, a few grooves for ligamentous attachment, interior pearly.

Synonym (s)
Ostrea legumen Gmelin, 1791
Isognomon legumen Prashad, 1932
Isogonum legumen Kuroda et al., 1971
Malleoperna intricata Iredale, 1939
Malleoperna intricata debilitata Iredale, 1939
Malleoperna paucidentata Iredale, 1939
Perna caudata Reeve, 1858
Perna dactylus Bory de Saint-Vincent, 1827
Perna laticostata Reeve, 1858
Perna lentiginosa Reeve, 1858
Perna linguaeformis Reeve, 1858
Perna spengleri Lynge, 1909
Perna torva Gould, 1850

Common Name (s)
• Pod Tree Oyster (English)
Economic Importance and Threats

Habitat:  Rocky, Coastal


• Orissa, Off Ganjam Coast INDIA
• Tamil Nadu, Pamban INDIA
• Tamil Nadu, Krusadai INDIA
• Andaman and Nicobar Islands, Andamans INDIA
• Red Sea
• Tamil Nadu, Mandapam INDIA
• Andhra Pradesh, Visakhapatnam INDIA
• Andaman and Nicobar Islands, Chidiya Tapu INDIA
• Andaman and Nicobar Islands, Port Blair (Lat: 11.67) (Long: 92.75) INDIA

Literature Source(s)
  • 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
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • (1999) Bisyogai Database Available at -
  • 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 -
  • Pati, SK; Rao, MV; Balaji, M and Pachu, AV (2011) Community Structure of fouling on a sunken vessel from Visakhapatnam harbour, east coast of India Journal of the Marine Biological Association of India The Marine Biological Association of India 53(1) 14-20 Available at - NIO,Goa
  • Pati, SK; Rao, MV and Balaji, M (2011) Fouling communities of the static substrate in a tropical harbour Journal of the Marine Biological Association of India The Marine Biological Association of India 53(1) 81-88 Available at - NIO,Goa
  • 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
  • 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

Page last updated on:2012-12-26

Back to Search