Sicyopterus microcephalus   (Bleeker,  1854) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Size: 112 mm.

Color: Violet above, pearl colored below. Below eye a violet streak. On the side yellow spots in longitudinal rows, on caudal peduncle spots from strips. Fins reddish violet. Pectoral fin with many spots. Dorsal fins with minute irregular spots. Caudal fin with longitudinal deep violet streaks, above and below the fin is bordered with orange. Pectoral and ventral fin bordered with orange. Anal fin violet-orange, dusky bordered.

Body anteriorly cylindrical, posteriorly compressed, height 5 1/2 in length, 7-7 3/4 in total length. Head sub cylindrical, 4 3/4 - 5 1/4 in length, 6 2/3 - 6 3/4 in total length, in young specimens comparatively larger. Eye 4 to more than 4 in head, interorbital 2 eye diameters. Snout obtuse, prominent. Jaws sub equal. Maxillary extends to below anterior part of eye. In lower jaw on each side 5-8 canines. Scales of occiput, nape and belly cycloid. Scales of head and nape small, laterally anteriorly on body smaller than those of middle of body. First dorsal fin pointed, higher than body, second, third and fourth rays are the longest. Second dorsal fin lower than body, pointed posteriorly. Anal fin a little higher. Pectoral fin rounded, longer than head. Ventral fin a little shorter than head without snout. Caudal fin obtuse, longer than head.

Remarks: Values in above description denote proportions.

Synonym (s)
Sicydium microcephalus Bleeker, 1854
Sicydium microcephalum Gunther, 1861
Sicyopterus microcephalus Bleeker, 1876
Sicydium microcephalum Grant, 1884
Sicyopterus microcephalus M. Weber, 1913
Sicyopterus garra Hora, 1925
Sicyopterus garra Herre, 1939
Sicyopterus microcephalus Koumans, 1941

Common Name (s)
Economic Importance and Threats



• Andaman and Nicobar Islands, Andamans INDIA (Record: 1953)
• Andaman and Nicobar Islands INDIA

Literature Source(s)
  • Rao, DV; Devi, K and Rajan, PT (2000) An account of ichthyofauna of Andaman and Nicobar Islands, Bay of Bengal Occasional paper no 178 Records of the Zoological Survey of India ZSI, Calcutta 1-434 Available at - NCL, Pune
  • Tikader, BK and Das, AK (1985) Glimpses of animal life of Andaman and Nicobar Islands ZSI, Kolkata 1-170 Available at - NCL, Pune
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Koumans, FP (1953) The fishes of the Indo-Australian Archipelago A. J. Reprints agency, Karol Bagh, New Delhi 10 423 pp Available at - NIO, Goa
  • Talwar, PK (1990) Fishes of Andaman and Nicobar Islands: A synoptic survey Journal of the Andaman Science Association Andaman Science Association, Port Blair 6(2) 71-102 Available at - NIO,Goa

Page last updated on:2011-08-23

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