Sepioteuthis lessoniana   Lesson,  1830 (Squid)
Organism information awaits expert curation
Class: Cephalopoda

Image copyrights: Rokus Groeneveld

Size: Max length 36.0 cm ML (male)

Max. weight reported: 1.8 g

Color: The dorsal side is darkish due to crowding of chromatophores, the ventral side is less pigmented. The general colouration in fresh specimens is pinkish brown, with whitish ventral side, the base of the eyes and the surroundings have a greenish tinge, on the dorsal surface of the mantle and fins greyish transverse streaks are found which are conspicuous in males.

The mantle is elongate, conico-cylindrical and tapering to a rounded blunt point posteriorly. Anterodorsally the mantle extends over the neck region as a small rounded point; the ventral margin at mantle opening is emarginated. The fins are characteristically very large and wide, extending from the anterior margin of mantle to the posterior end. The fins are very thick and muscular. The head is large, eyes prominent and greenish at the base, funnel is large and provided with prominent funnel valve. The tentacles are moderate in length and stalks are stout and slightly laterally compressed; clubs are large and provided with trabeculate protective membranes on the sides. Suckers arranged in four rows transversely, those in the middle rows are larger than the lateral ones; horny rings of large club suckers have 14 to 23 teeth as in arm suckers.

Synonym (s)
Sepioteuthis arctipinnis Gould, 1852
(Junior synonym)
Sepioteuthis brevis Owen, 1881
(Junior synonym)
Sepioteuthis guinensis Quoy and Gaimard, 1832
(Junior synonym)
Sepioteuthis indica Goodrich, 1896
(Junior synonym)
Sepioteuthis krempfi Robson, 1928
(Junior synonym)
Sepioteuthis lunulata Quoy & Gaimard, 1832
(Junior synonym)
Sepioteuthis malayana Wulker, 1913
(Junior synonym)
Sepioteuthis mauritania Quoy & Gaimard, 1832
Sepioteuthis neoguinaica Pfeffer, 1884
(Junior synonym)
Sepioteuthis sieboldi Joubin, 1898
(Junior synonym)
Sepioteuthis sinensis Orbigny, 1835
Sepioteuthis doreiensis Quoy, 1835
(Junior synonym)
Sepioteuthis hemprichii Ehrenberg, 1831
(Junior synonym)
Sepioteuthis mauritiana Quoy & Gaimard, 1832
(Junior synonym)
Sepioteuthis sinensis D'Orbigny, 1848
(Junior synonym)

Common Name (s)
• Koonthal (Malayalam)
• Oosi Kanava (Tamil)
• Bigfin Reef Squid (English)
Economic Importance and Threats

Habitat:  Reef Associated
Prey:  Finfishes
Predator:  Bony fish (Thunnus albacares)


• Andaman and Nicobar Islands, Andaman Islands (Lat: 12.5) (Long: 92.75) INDIA
• Tamil Nadu, Chennai Coast INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Lakshadweep, Kalpeni INDIA (Record: 01/1987-03/1987)
• Lakshadweep, Kavaratti INDIA (Record: 01/1987-03/1987)
• Lakshadweep, Bitra INDIA (Record: 01/1987-03/1987)

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
  • 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
  • Venkatraman, K; Srinivasan, M; Satyanarayana, CH and Prabhakar D (2002) Faunal diversity of Gulf of Mannar biosphere reserve Conservation area series 15 ZSI 77 pp; VIII pla Available at - NCL, Pune
  • Hussain, SM Brief report on biodiversity in the coastal areas of Pakistan p 113
  • Rocha, F; Fuentes, L; Guerra, A and Sainza, MC (1998) Cephalopods of Somalia Iberus 16 (2) 129-142 Available at - Zoological Records
  • CephBase A database driven web site on all living cephalopods Available at -
  • Dr. Ramesh, R; Dr. Nammalwar, P and Dr. Gowri, VS (2008) Database on coastal information of Tamil Nadu Report Submitted to Environmental Information System (ENVIS) Centre, Department of Environment, Government of Tamil Nadu Institute for Ocean Management, Anna University, Chennai, Tamil Nadu. Available at -
  • Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Sealifebase Available at -
  • Dr. Kumaraguru, AK (2000) Studies on socioeconomics of Coral Reef resource users in the Gulf of Mannar coast, South India Centre for Marine and Coastal studies School of Energy, Environment and Natural Resources Madurai Kamaraj University, Madurai, India Available at -
  • Appukuttan, KK; Chellam, A; Ramadoss, K; Victor, ACC and Meiyappan, MM (1989) Molluscan resources Bulletin Of Central Marine Fisheries Research Institute CMFRI, Cochin 43 77-92 Available at -
  • Silas, EG; Sarvesan, R; Rao, KS; Nair, KP and Meiyappan, MM (1985) Identity of common species of cephalopods of India Cephalopod bionomics, fisheries and resources of the exclusive economic zone of India Bulletin of Central Marine Research Institute CMFRI 37 13-37 Available at -
  • Pillai, PKM and Augustine, SK (2000) A code list of common marine living resources of the Indian seas CMFRI Special Publication No.12 CMFRI 1-115 Available at -

Page last updated on:2011-12-19

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