Pseudorhombus malayanus   Bleeker,  1866 (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Ministry of Agriculture and Fisheries, Sultanate of Oman

Size: Maximum about 25 cm; common 10 to 20 cm

Color: Eyed side brown, with or without indistinct groups of small white spots near lateral line. A dark blotch anteriorly on straight part of lateral line; sometimes a smaller blotch halfway to caudal fin base.

Body is oval and flat with the dorsal profile of the head slightly notched in front of the eyes. Both eyes are situated on the left side of the body. Upper jaw ending below hind margin of lower eye. Gill rakers pointed, longer than broad; 8 to 10 on lower branch of first gill arch. The lateral line curves anteriorly forming two branches on the head. The upper curved branch of the lateral line ends at between 9th and the 11th dorsal rays. The dorsal and anal fins are long with the dorsal extending from the head region and both terminating at the caudal peduncle. The dorsal fin has 71 to 77 rays and the anal fin has 57 to 59 rays. Pectoral and pelvic fins are present, although the pectoral fin on the blind side of the body is small. The caudal fin is rounded. The body is covered with ctenoid scales on both sides. The mouth is armed with small canine teeth.

Synonym (s)
Pseudorhombus arsius Jenkins, 1910

Common Name (s)
• Malayan Flounder (English)
Economic Importance and Threats
Importance:  Commercial

Habitat:  Sandy, Muddy, Coastal
Trophic Level:  Consumer
Prey:  Worms, crabs. shrimps


• Gujarat, Gulf of Kachchh (Lat: 22.6) (Long: 69.5) INDIA
• Gulf of Oman
• Persian Gulf
• Kerala, Trivandrum INDIA
• Tamil Nadu, Chennai Coast INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Tamil Nadu, Rameswaram, Thangachimadam INDIA
• West Bengal (Lat: 21.45) (Long: 87.9) INDIA

Literature Source(s)
  • Norman, JR (1928) The flatfishes (Heterosomata) of India, with a list of the specimens in the Indian Museum. Part 1 Records of the Indian Museum ZSI 29 7 Available at - Pune University, Pune
  • Subba Rao, NV and Sastry, DRK (2005) Fauna of Marine National Park, Gulf of Kuchchh (Gujarat) ZSI 79 pp Available at - NCL, Pune
  • Al-Abdessalaam, TZS (1995) Marine species of the Sultanate of Oman p 412 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Kurian, CV (1953) A preliminary survey of the bottom fauna and bottom deposits of the Travancore coast within the 15-fathom line Proceedings of the National Institute of Sciences of India 19 746–775 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 Whitehead, PJP (1974) FAO species identification sheets for fishery purposes. Eastern Indian Ocean - Fishing Area 57 and Western Central Pacific - Fishing Area 71 FAO, Rome 1 Available at -
  • Murty, VS (1969) Catalogue of fishes (excluding from the Laccadives) in the reference collections of the Central Marine Fisheries Research Institute Bulletin of Central Marine Research Institute CMFRI, Cochin 10 1-38 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 -
  • Das, P; De, SP; Bhowmik, RM; Pandit, IK; Sengupta, R; Nandi, AC; Thakurta, SC and Saha, S (2007) Piscine diversity of West Bengal Fishing chimes 27(5) 15-28 Available at - NIO, Goa

Page last updated on:2012-01-09

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