Pteria penguin   (Roding,  1798) (Oyster)
Organism information awaits expert curation
Class: Bivalvia

Image copyrights:

Size: 15-25 mm

Color: Outside of shell brown with dark green ribs, grey. Interior silvery and brilliantly nacreous, with a broad, posteroventrally expanded, glossy black margin.

The shell is solid, elliptically ovate in outline, the upper valve is more convex than the lower valve and has a rounded keel. The wings are either equally sized, or with the posterior wing elongate. The hinge line is long and straight and has two denticles. Outline of shell variable, initially narrowly oblique, later greatly expanding ventrally and almost as high as long, or even higher than long in larger specimens and with the posterior ear relatively short. Interior of shell with a wide non-nacreous margin ventrally.

Synonym (s)
Pteria macroptera (non Lamarck, 1819)
Magnavicula penguin (Roding, 1798)
(Junior synonym)
Pteria lotorium (Lamarck, 1819)
(Junior synonym)
Austropteria maccullochi Iredale, 1939
Austropteria perscitula Iredale, 1939
Avicula lotorium Lamarck, 1819
Avicula macroptera Lamarck, 1819
Avicula peasei Dunker, 1872
Avicula radiata Pease, 1862
Avicula semisagitta Lamarck, 1819
Avicula vespertilio Deshayes, 1830
Magnavicula bennetti Iredale, 1939
Pinctada penguin Roding, 1798

Common Name (s)
• Penguin's Wing (English)
Economic Importance and Threats
Importance:  Commercial
(Collected for food and pearl trade.)
Cultured:  Yes

Habitat:  Reef Associated,Demersal,Rocky,Sandy,Muddy
Trophic Level:  Consumer
Prey:  Plankton


• Andaman and Nicobar Islands, Andaman Islands INDIA
• Andaman and Nicobar Islands, Andamans INDIA
• Andaman and Nicobar Islands, Havelock (Lat: 11.97) (Long: 93) INDIA
• Andaman and Nicobar Islands, Neil Island (Lat: 11.83) (Long: 93.05) INDIA

Literature Source(s)
  • Smitasiri, R; Kajitwiwat, J and Tantichodok, P (1993) Growth of a winged pearl oyster, Pteria penguin suspended at different depths Phuket Marine Biological Center Special Publication 13 213-216 Available at - Zoological Records
  • Available at -
  • Sealifebase Available at -
  • 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
  • Gervis, MH and Sims, NA (1992) The biology and culture of pearl oysters (Bivalvia: Pteriidae) The WorldFish Center 49 pp Available at -,M1
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) 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 -
  • 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

Page last updated on:2012-07-19

Back to Search