Inegocia japonica   (Tilesius,  1812) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Randall, J.E.

Size: 18-35 cm.

Color: Brownish above, pale below; back crossed by 4 to 6 vague dark bands. Caudal fin with bold brown spots; smaller brown spots present on the dorsal and pectoral fins.

Body elongate with head moderately depressed. Head with bony ridges bearing spines; bony ridge crossing cheek below eye with 2 spines, one below middle of eye, the second below rear margin of eye; preopercular spines 2 or 3, the upper only slightly longer than the next; gillarakers on first arch 1 plus 4 or 5; interopercular membrane with a small, finger-like lobe. Second dorsal and anal fins usually with 12 rays; pectoral rays 19 to 22, usually 20. Pored lateral line scales 51 to 54, usually 52 or 53; anterior 4 to 16 scales bearing a small spine. Scale rows slanting downward and backward above lateral line about the same number as the pored lateral line scales. Dorsal spines (total): 9; Dorsal soft rays (total): 11 - 13; Anal spines: 0; Anal soft rays: 11 - 13.

Synonym (s)
Inegocia isacanthus (Cuvier, 1829)
(Junior Synonym)
Platycephalus borboniensis Cuvier, 1829
(Junior Synonym)
Platycephalus isacanthus Cuvier, 1829
(Junior Synonym)
Platycephalus japonicus Tilesius, 1812
(Senior Synonym)
Suggrundus isacanthus Cuvier, 1829
(Junior Synonym)

Common Name (s)
Economic Importance and Threats
Importance:  Commercial
(Fisheries, Caught with bottom trawls.)

Habitat:  Demersal, Sandy, Muddy


• Tamil Nadu, Chennai Coast INDIA (Record: 2003)
• Tamil Nadu, Gulf of Mannar INDIA (Record: 2003)

Literature Source(s)
  • Tongnunui, P; Ikejima, K; Yamane, T; Horinouch, M; Medej, T; Sano, M; Kurokura, H and Taniuchi, T (2002) Fish fauna of the Sikao Creek mangrove estuary,Trang, Thailand Fisheries Science 68 Available at - NCL, Pune
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Marine Biological Station, Chennai, Tamil Nadu (2003) Checklist of marine fauna of Tamil Nadu Department of Environment, Government of Tamil Nadu 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 -
  • Fischer, W and Bianchi, G (Eds.) (1984) FAO species identification sheets for fishery purposes. Western Indian Ocean (Fishing Area 51) FAO, Rome 3 Available at -

Page last updated on:2010-05-03

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