Hologymnosus semidiscus   (Lacepede,  1801) (Fish)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Chordata
Class: Actinopterygii
Order:Perciformes
Family:Labridae

Image copyrights: The Nature Conservation and Aquatic Sciences Service

Description
Size: 165-350 mm

Color: Variable, generally brown with greenish tinge; 16-21 narrow dark vertical bands on body. Some specimens with a broad vertical creamy band on sides above origin of anal spines or slightly anterior to it. A light bluish brown band from eye to posterior part of mouth, one from below eye to cheek and one or two bands from hind border of eye to upper part of operculum. A similar band from lower border of eye backwards ending in a black blotch on opercular flap. Large specimens with a vertical black bar on body at the level of tip of pectoral. Dorsal and anal brown with a dark submarginal and a white marginal longitudinal bands and with dark blue blotches between rays. Caudal brown, the distal part excepting outer rays yellowish. Upper rays of pectoral darker.

Head 3.0-3.3 in standard length, 3.5-3.8 in total length. Depth of body 4.0-4.7 in standard length, 4.7-5.5 in total length. Snout 2.5-2.7 in head. Eye diameter 3.0-3.4 in snout and 1.3-1.6 in highly convex interorbital space. Teeth in a crowded row in jaws, the anterior 2-4 canines. Pectoral fin longer than postorbital part of head. Ventral fin as long as snout.
Number of spines and rays in the dorsal fin: IX, 12; number of spines and rays in the anal fin: III, 12; number of rays in the pectoral fin: ii, 11; number of spines and rays in the ventral fin: I, 5; number of scale rows along the lateral line: 103-106; number of horizontal scale rows usually counted from origin of the dorsal fin to the lateral line and from anal origin to the lateral line: 7+1+43-47.

Remarks: Values in above description denote proportions.


Synonym (s)
Labrus semidiscus Lacepede 1802
Hologymnosus semidiscus de Beaufort 1940
Labrus doliatus Lacepede
Labrus annulatus Lacepede
Hologymnosus fasciatus Lacepede
Julis rosea Quoy and Gaimard 1834
Julis annulatus Cuvier and Valenciennes 1839
Julis doliatus Cuvier and Valenciennes
Julis (Julis) annulatus Bleeker 1855
Julis (Julis) oxyrhynchos Bleeker 1857
Hologymnosus fasciatus Bleeker 1862
Coris elongata Gunther 1862
Coris annulata Gunther
Coris longipes Gunther
Coris (Hologymnosus) taeniatus Steindachner 1864
Coris aygula Day 1888
Coris annulatus Day 1889
Coris (Hologymnosus) doliata Sauvage 1891
Coris elongata Gunther 1909
Coris annulata Gunther
Coris longipes Gunther
Coris annulata Snyder 1912
Hologymnosus semidiscus Barnard 1927
Hologymnosus semidiscus Fowler and Bean 1928
Hologymnosus semidiscus Fowler 1928
Hologymnosus fasciatus Borodin 1930
Hologymnosus semidiscus Fowler 1935

Common Name (s)
• Dielahikkae
• Vayittukadiyan
Economic Importance and Threats
Importance:  Commercial
(Ornamental fish)

Ecology

Biogeography


• Lakshadweep, Agatti INDIA
• Lakshadweep, Bitra INDIA
• Lakshadweep, Kavaratti INDIA
• Lakshadweep, Minicoy INDIA
• Lakshadweep INDIA
• INDIA
• Lakshadweep Islands INDIA (Record: 11/1993-01/1997)

Literature Source(s)
  • Jones, S and Kumaran, M (1980) Fishes of the Laccadive Archipelago The Nature Conservation and Aquatic Sciences Service, Trivandrum, Kerala 760 pp Available at - NIO, Goa
  • 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
  • Murty, VS (2002) Marine ornamental fish resources of Lakshadweep CMFRI Special Publication CMFRI 72 1-134 Available at - http://eprints.cmfri.org.in/3536/1/Special_Publication_No_72.pdf

Page last updated on:2011-05-11

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