Martesia fragilis   Verrill & Bush,  1898 (Piddock)
Organism information awaits expert curation
Class: Bivalvia

Maximum size: 12 mm; length 5.92-29 mm; width 2.65-17.1 mm; height 1.75-17.15 mm

Shell obliquely divided in the middle, with angular, longitudinally ribbed anterior half. Ribs are serrated. Anterior ventral margin is smooth, posterior concentrically striated towards the margin, extremity produced and attenuated. One elongate ventral shield and two dorsal shields and one posterior elongated and narrow shield present upon the umbo.

Synonym (s)
Pholas teredinaeformis Sowerby, 1873
Pholadidea minuscula Dall, 1908
Martesia bahamensis Bartsch & Rehder, 1945
Martesia exquisita Bartsch & Rehder, 1945

Common Name (s)
• Fragile Piddock (English)
Economic Importance and Threats

Habitat:  Open Sea


• Andaman and Nicobar Islands, Andaman Islands (Lat: 10) (Long: 93) INDIA
• West Bengal, Kolkata INDIA
• West Bengal, South 24 Parganas INDIA
• Andhra Pradesh INDIA
• Gujarat INDIA
• Karnataka INDIA
• Kerala INDIA
• Maharashtra INDIA
• Orissa INDIA
• Tamil Nadu INDIA
• West Bengal, Khidirpur Dock INDIA
• West Bengal, Port Canning INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Tamil Nadu, Palk Bay INDIA
• Andhra Pradesh, Rishikonda INDIA
• Lakshadweep, Minicoy INDIA
• Lakshadweep, Kalpeni INDIA
• Lakshadweep, Amini INDIA
• Lakshadweep, Kavaratti INDIA
• Andaman and Nicobar Islands INDIA
• Lakshadweep INDIA

Literature Source(s)
  • Nair, NB and Salim, M (1994) Marine timber destroying organisms of the Andaman-Nicobar Islands and the Lakshadweep Archipelago Occasional paper no 159 Records of the Zoological Survey of India ZSI 87 pp
  • 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 -
  • Nair, NB and Dharmaraj, K (1980) Wood boring molluscs of the Palk bay and the Gulf of Mannar Mahasagar- Bulletin of the National Institute of Oceanography NIO, Goa 13(3) 249-260 Available at -
  • Rao, MV; Balaji, M; Pachu, AV (2008) Marine wood borers of Bhimunipatnam - Visakhapatnam coast, Bay of Bengal, India. Journal of the Timber Development Association of India Timber Development Association of India 54(1-4) 59-77 Available at - NIO, Goa
  • Nair, N.B.; Dharmaraj, K (1983) Marine wood boring molluscs of the Lakshadweep archipelago. Indian Journal of Marine Sciences Scientific Publishers 12(2) 96-99 Available at - NIO,Goa
  • Roy, MKD (2006) Marine wood-borers of Andaman and Nicobar islands with key to species Journal of Environment and Sociobiology Social Environmental and Biological Association, Kolkata, India 3(2) 131-142 Available at - NIO, Goa
  • Rao, MV; Pati, SK; D. Swain; and Sharma, RM Marine wood-borers Zoological Survey of India 1-5 Available at -

Page last updated on:2011-12-19

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