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Glasshead grenadier 
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Joined: Thu Jul 09, 2009 11:30 am
Posts: 1776
Post Glasshead grenadier
Family : Macrouridae (Grenadiers or rattails) , subfamily: Macrourinae
Order : Gadiformes  (cods)
Class : Actinopterygii (ray-finned fishes)
Fishbase Name : Glasshead grenadier
Fish Name : Hymenocephalus italicus
Max size : 25.0 cm TL (male/unsexed; Ref. 3397); max. reported age: 9 years
Environment : benthopelagic; non-migratory ; depth range 100 - 1400 m
Climate : subtropical; 43°N - 20°S
Global Importance : fisheries:
Resilience: Medium, minimum population doubling time 1.4 - 4.4 years (K=0.18; tmax=9)Distribution : Atlantic and Indian: Eastern Atlantic: Portugal to Angola, including the Mediterranean. Western Atlantic: Florida Straits through the Gulf of Mexico and Caribbean Sea to northern Brazil. Indian Ocean: Gulf of Aden, Zanzibar and Maldives (Ref. 26165).
Diagnosis : Dorsal spines (total): 0-0; Anal spines: 0-0. Eyes large, about equal to or greater than interorbital width; chin barbel small but distinctly developed. Light organs small but distinct externally. Pyloric caeca short, thick, 13 to 15 total.
Biology : Most common at depths less than 500 m (Ref. 1371). Feeds predominantly on pelagic copepods, to a lesser extent on euphausiids and gammarian amphipods, and to a minor extent on shrimps, ostracods, cumaceans, other small crustaceans, and small fish (Ref. 1371). Due to its small size, it is not of significant interest to fisheries (Ref. 1371)
Threatened : Dangerous:  
Dangerous : harmless
Coordinator : Iwamoto, Tomio
Main Ref : Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba. 1990. (Ref. 1371)

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



Fri Jul 24, 2009 11:33 am
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