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Herring scad 
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Joined: Thu Jul 09, 2009 11:30 am
Posts: 1776
Post Herring scad Duskyfin crevalle
Family : Carangidae (Jacks and pompanos)
Order : Perciformes  (perch-likes)
Class : Actinopterygii (ray-finned fishes)
Fishbase Name : Herring scad
Fish Name : Alepes vari
Max size : 56.0 cm TL (male/unsexed; Ref. 30573)
Environment : pelagic-neritic
Climate : tropical
Global Importance : fisheries: minor commercial
Resilience: Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)Distribution : Indo-West Pacific: tropical waters.
Diagnosis : Dorsal spines (total): 9-9; Dorsal soft rays (total): 23-25; Anal spines: 3-3; Anal soft rays: 20-23. This species resembles A. para, but has a body profile which is equally convex above and below. Its lateral line becomes straight below the third ray of the soft dorsal fin. The opercular blotch is either absent or indistinct. This species attains 40 cm in SL.
Biology : Common in shallow coastal waters where it often swims near the surface. Forms dense schools on clear inner reefs, swimming high above substrate (Ref. 48635). Feeds chiefly on shrimps, copepods, decapods and small fishes (Ref. 30573)
Threatened : Dangerous:  
Dangerous : harmless
Coordinator : Smith-Vaniz, William F.
Main Ref : Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley. 1989. (Ref. 7300)

India country information
Common Names : Duskyfin crevalle
Status : native
Salinity : brackish, marine
Uses : no uses



Fri Jul 24, 2009 11:32 am
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