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Hidden ilisha 
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Joined: Thu Jul 09, 2009 11:30 am
Posts: 1776
Post Hidden ilisha
Family : Pristigasteridae (Pristigasterids)
Order : Clupeiformes  (herrings)
Class : Actinopterygii (ray-finned fishes)
Fishbase Name : Hidden ilisha
Fish Name : Ilisha obfuscata
Max size : 7.4 cm SL (male/unsexed; Ref. 188)
Environment : pelagic-neritic ; depth range 0 - 50 m
Climate : tropical; 18°N - 8°N
Global Importance :
Resilience: High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)Distribution : Indian Ocean: known only from Bombay and Pondicherry.
Diagnosis : Dorsal spines (total): 0-0; Anal spines: 0-0; Anal soft rays: 39-42. Belly with 19 or 20 + 8, total 27 or 28 scutes. Eye large, lower jaw projecting. Dorsal fin origin at about midpoint of body; anal fin origin under or just behind final dorsal fin rays. Vertical striae on scales traversing whole scale or overlapping across center of scale. Swim bladder with two very short tubes passing back in the muscles on either side of haemal spines.
Biology : Occurs in coastal waters and estuaries (Ref. 45255). More data needed
Threatened : Dangerous:  
Dangerous : harmless
Coordinator :
Main Ref : Whitehead, P.J.P.. 1985. (Ref. 188)

India country information
Common Names : [ No common name ]
Status : native
Salinity : brackish, marine
Uses : no uses



Fri Jul 24, 2009 11:34 am
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