Hemipteronotus pentadactylus   (Linnaeus)  1758 (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Size: 24.8 cm.

Color: In preserved specimens brownish. Generally a large dark blotch below lateral line and above tip of pectoral, often followed below by a still larger light yellowish blotch. A various numbers (1-14) of the anterior scales of the lateral line generally with a black spot, sometimes broadly encircled by light yellow. Scales of body sometimes with a light, or a dark spot or a narrow light vertical streak. A narrow light line along the shape ridge from snout to eye and some more or less distinct light vertical bars on anterior part of inter-opercle. Isthmus sometimes dark. Dorsal and anal with faint grayish bars, oblique on dorsal, longitudinal on anal. Caudal with similar vertical bars. Pectorals and ventrals hyaline.

Height 2.9-3.3, 3.4-4 in length with caudal. Head much compressed, upper profile trenchant and much curved, 3.4-3.7, 4.1-4.3 in length with caudal. Eye 4.8-6.6, somewhat more or less than vary convex ridged interorbital space, 2.8-3.1 in snout. Mouth small, slightly oblique, maxillary reaching to below posterior nostril. Teeth in the jaws conical, the outer row larger, two strong canines anteriorly in both jaws. Head naked, with exception of some scales in a vertical row on upper part of opercle and about 8 rows on cheeks, the upper one immediately below eye and the lowermost behind corner of mouth, each row consisting of about 7-8 scales. There are also one or two rows of scales between eye and dorsal, the origin of which is situated above eye. First and second spines of dorsal flexible and produced, the second one generally the longer and often as long as snout, remote from but connected by a low membrane with the following ones, which are stiff and pungent, sub equal and about as long as eye. Soft dorsal higher than spinous part, the longest rays nearly twice eye, the fins pointed behind. Dorsal rays simple, only a few of the posterior rays forked. First anal spine about two thirds of second. Third spine longest, longer than eye. Soft anal similar to soft dorsal, rays simple excepting a few of the posterior ones. Pectorals rather pointed, their hind border concave, as long as snout and eye together. Ventrals with the first ray simple and produced, almost as long as pectorals. Caudal rounded.

Remarks: Values in above description denote proportions.

Synonym (s)
Coryphaena pentadactyla Linnaeus 1758
Coryphaena pentadactyla Bloch 1786
Coryphaena pentadactyla Bloch and Schneider 1801
Hemipteronotus quinque-maculatus Lacepede 1802
Novacula pentadactyla Cuvier and Valenciennes 1839
Novacula sexmaculata Cuvier and Valenciennes
Novacula punctulata Cuvier and Valenciennes
Novacula pentadactyla Bleeker 1851
Novacula punctulata Bleeker 1853
Hemipteronotus pentadactylus Bleeker 1862
Novacula pentadactyla Gunther 1862
Novacula punctulata Gunther 1866
Novacula pentadactyla Klunzinger 1871
Novacula pentadactyla Day 1877
Novacula punctulata Day
Novacula pentadactyla Lunel 1881
Novacula (Hemipteronotus) pentadactyla Sauvage 1891
Hemipteronotus pentadactylus Jordan and Seale 1907
Hemipteronotus pentadactylum Barnard 1927
Hemipteronotus Pentadactys Fowler and Bean 1928
Hemipteronotus pentadactylus Fowler 1928

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 - http://www.marinespecies.org
  • 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:2009-10-29

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