Callyodon blochi   (Valenciennes)  1840 (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Size: 291 mm.

Color: In preserved specimens reddish brown, lighter below and on caudal peduncle. Scales of back and sites often lighter in the middle. Upper lip yellow, this color continued as a stripe from corner of mouth to below and behind eye. region below this stripe generally with large or smaller yellow patches, as if the stripe had been made with wet paint and the color had trickled down in drops. This patch connected with that of the other side along lower lip and across chin.Marking of the same color as stripes, curved lines, or spots on inter-opercle and inferior preopercular limb. Sub-opercle often with a yellowish hind border. Short yellow streaks from anterior and posterior border of eye. Dorsal dusky with lighter marginal and basal longitudinal bands, Separated from the median dusky part by narrow dark lines. Sometimes a dark longitudinal band on the median dusky part. Anal light violet or pinkish basally, yellowish distally, the color separated by a narrow dark line. Pectorals yellowish, the third to fifth or sixth rays and their membranes dusky or more or less purplish, forming a broad streak along the whole length of the fin. Ventrals yellowish, the spine lighter and the first ray generally darker. Caudal dusky at base, lighter and yellowish distally, the lobes somewhat darker.

Height 2.6-2.7, 3.2-3.3 in length with caudal. Head 2.9-3, 3.6-3.7 in length with caudal. Height of head 1.1-1.2 in its length. eye 6-6.4, 2.5-2.6 in snout and 2.1-2.2 in convex inter-orbital space. Lips rather broad, but sometimes the border of the lower lip is vertical, leaving a great part of the lower dental plate uncovered. Inner upper lip generally short, its connection with the outer lip nearer corner of the mouth than symphysis of upper jaw. Anterior nostrils with a low rim, posterior nostril an oblique slit. Teeth white or yellowish. One, two, or three posterior canines in the upper jaw and one in the lower jaw. Two transverse rows of scales on the cheek and a third row of 2 scales on inferior preopercular limb. Five or six scales before dorsal. Dorsal spines sub-equal, twice diameter of eye. Soft dorsal not higher than spinous part. Third anal spine about three fourths of first anal ray. Anal somewhat less deep than dorsal. Pectorals about half length of snout shorter than head. Ventrals slightly pointed, equal to eye and snout together. Caudal truncate or slightly rounded, the upper and lower lobes slightly produced.

Remarks: Values in above description denote proportions.

Synonym (s)
Scarus viridis Bloch 1790
Scarus blochii Cuvier and Valenciennes 1839
Scarus quoyi Cuvier and Valenciennes
Scarus chrysopomus Bleeker 1849
Pseudoscarus viridis Bleeker 1861
Pseudoscarus chrysopoma Gunther 1862
Pseudoscarus viridis Guichenot 1865
Pseudoscarus chrysopoma Day 1877
Pseudoscarus viridis Peters 1876
Callyodon blochi Jordan and Seale 1906
Callyodon hadji Seale 1909
Pseudoscarus chrysopoma Gunther 1909
Callyodon philippinus Fowler 1918
Callyodon blochii Fowler and Bean 1928
Callyodon blochii Fowler 1928
Callyodon chrysopomus P. J. Schmidt 1930
Scarus blochii Herre 1931

Common Name (s)
Economic Importance and Threats



• INDIA (Record: 1940)

Literature Source(s)
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Beaufort, LF (1940) The fishes of the Indo-Australian Archipelago A. J. Reprints agency, Karol Bagh, New Delhi 8 508 pp Available at - NIO, Goa

Page last updated on:2009-12-22

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