Bodianus diana   (Lacepede,  1801) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Randall, J.E.

Size: 20 cm.

Color: In preserved specimens pinkish. Scales of the body with a reddish brown hind border, forming large spots on posterior part of back and upper part of caudal peduncle, as well as on scales of dorsal sheath. Scales of belly with a more or less distinct yellowish or pearly center. Three or four chalk white spots on upper part of sides, above lateral line, the first (if present) before dorsal, the second and third below spinous and the fourth below soft dorsal. Sometimes also a while spot at origin of dorsal. A brown spot at posterior end of lateral line. On caudal peduncle a spot immediately behind dorsal and anal, last named also spreading on base of last anal rays. A large dark brown oval blotch on middle of 4 anterior anal rays. A bluish spot on anus. Membranes between 1st-3rd dorsal spines dark brown. Ventrals crossed by a broad dark brown bar. Otherwise the fins are yellowish or pinkish.

Height 3-3.1, 3.5-3.6 in length with caudal. Head 2.8-3, 3.3-3.6 in length with caudal. Height of head 1.3-1.4 in its length. Head pointed, the upper profile slightly concave. Eye 4.9-6.3, 1.7-2.3 in snout and 1-1.4 in almost flat inter orbital space. Mouth large, somewhat protractile, slightly oblique. Upper lip plated. Maxillary reaching to below posterior nostril. Teeth in the jaws in a single row, confluent, forming a ridge, but the individual teeth remain visible. a canine posteriorly at corner of mouth. Four canines in each jaw anteriorly, the inner pair in the lower jaw much shorter than the others. Lower jaw slightly prominent. About 10 transverse rows of scales on cheeks, a few scales on posterior part of lower jaw. Preopercular limb scaly. Hind border of preopercle very finely denticulated. Interopercle and sub opercle covered with scales, those of opercle large. Scales on upper part of head beginning above middle of eyes. About 19 rows of scales before dorsal, the 10-11 anterior rows consisting of small scales. Dorsal spines short, stiff and pungent, the membranes between the spines deeply incised. First spine somewhat less than eye, following gradually increasing in length to the last, which is equal to one eye diameter and a half. Scaly sheath of dorsal increasing in height posteriorly. Soft dorsal rounded behind, as high as posterior part of spinous part. First anal spine more than half length of second, third longest, equal to snout. Soft anal slightly rounded, the longest rays as long rays of dorsal. Pectorals equal to head without snout or somewhat longer. Ventrals without produced rays, slightly longer than snout. Caudal truncate, somewhat rounded when expanded.

Remarks: Values in above description denote proportions.

Synonym (s)
Labrus diana Lacepede, 1802
Cossyphus diana Cuvier and Valenciennes, 1839
Cossyphus diana Bleeker, 1862
Cossyphus diana Gunther, 1866
Cossyphus diana Klunzinger, 1871
Cossyphus diana Day, 1877
Cossyphus diana M. Weber, 1913
Lepidaplois diana Jordan and Starks, 1917
Lepidaplois diana Barnard, 1927
Lepidaplois diana Fowler and Bean, 1928
Lepidaplois diana Lacepede, 1801
Lepidaplois aldabrensis Smith, 1955

Common Name (s)
• Diana's Hogfish (English)
Economic Importance and Threats
Importance:  Commercial
(Fisheries, marketed fresh, aquarium)

Habitat:  Reef Associated
Prey:  Benthic invertebrates like mollusks and crustaceans



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
  • Fischer, W and Bianchi, G (Eds.) (1984) FAO species identification sheets for fishery purposes. Western Indian Ocean (Fishing Area 51) FAO, Rome 2 Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at -

Page last updated on:2010-04-21

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