Atherion africanus   Smith,  1965 (Fish)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Chordata
Class: Actinopterygii
Order:Atheriniformes
Family:Atherinidae

Image copyrights: The Nature Conservation and Aquatic Sciences Service

Description
Size: 22-35 mm

Color: Pale whitish to translucent with a dark spotted silvery lateral stripe. Snout, chin and dorsal side of head and back with blackish spots. A row of black spots above base of anal and along lower side of caudal peduncle.

Body fairly compressed, snout bluntly pointed. Head 4.3-4.6 in standard length, 5.0-5.4 in total length. Depth of body 5.7-6.2 in standard length, 6.7-7.4 in total length. Eye diameter 2.8-3.1 in head, about 0.7 in snout and equal to or slightly less than interorbital space. Maxillary short, not reaching to below front margin of eye. Median ascending premaxillary process short. Mandibles slightly elevated posteriorly. Hind margin of preopercle broadly concave. A single series of teeth in jaws and a few teeth on vomer and pterygoid. Rows of spinules on snout, undersides of lower jaw, chin, preorbital, above the eye, interopercle and hind and lower border of preopercle. First dorsal fin origin midway between base of caudal fin and tip of snout. Vent below or slightly behind base of first dorsal fin and much nearer to insertion of anal fin than to tip of ventral fins. 16-18 predorsal scales. Posterior edges of scales smooth.
Number of spines in the first dorsal fin: V; number of spines and rays in the second dorsal fin: I, i, 8-9; number of spines and rays in the anal fin: I, i, 14-16; number of rays in the pectoral fin: i, 9-11; number of spines and rays in the ventral fins: I, 5; number of scale rows along the midside of body from the upper corner of operculum to the midbase of caudal fin in the absence of lateral line: 41-43; 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: 6; gill raker count: 2-3+1+10-11.

Remarks: Values in above description denote proportions.


Synonym (s)
Atherion africanus Smith, 1965
Atherion africanum Smith, 1965

Common Name (s)
• Pricklenose Silverside (English)
• Kudifitham
• Uri
• Tholiyan
Economic Importance and Threats

Ecology
Habitat:  Coastal

Biogeography


• Lakshadweep, Kalpeni INDIA
• Lakshadweep, Kavaratti INDIA
• Lakshadweep, Minicoy INDIA
• Lakshadweep INDIA

Literature Source(s)
  • Wafar, MVM (2003) Checklists of reef fauna Available at - http://www.reefindia.org/
  • 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
  • Fischer, W and Bianchi, G (Eds.) (1984) FAO species identification sheets for fishery purposes. Western Indian Ocean; (Fishing area 51). FAO, Rome 1 Available at - http://www.fao.org/docrep/009/ad468e/ad468e00.HTM#Contents
  • Jones, S. (1969) Catalogue of fishes from the Laccadive Archipelago in the reference collections of the Central Marine Fisheries Research Institute. Bulletin of Central Marine Research Institute CMFRI, Cochin 8 1-35 Available at - http://eprints.cmfri.org.in/569/1/Bulletin_8.pdf
  • Jones, S and Kumaran, M (1966) New records of fishes from the seas around India - Part IV Journal of the Marine Biological Association of India Marine Biological Association of India 8(1) 163-180 Available at - http://eprints.cmfri.org.in/999/1/Article_15.pdf

Page last updated on:2011-03-09

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