Tenualosa ilisha (Hamilton, 1822)

Hilsa shad

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Clupeiformes \| Clupeidae
Synonyms	Clupanodon ilisha, Clupea ilisha, Hilsa ilisha, ... more
Common names	Alose hilsa, Sábalo hilsa, Hilsa herring, ... more

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Picture by Randall, J.E.

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This map was computer-generated and has not yet been reviewed.

AquaMaps Data sources: GBIF OBIS

Main reference

Whitehead, P.J.P. 1985. (Ref. 188)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 60.0 cm SL male/unsexed; (Ref. 188); common length : 36.0 cm SL male/unsexed; (Ref. 4832); common length :42 cm TL (female); max. published weight: 680 g (Ref. 4832); max. published weight: 2,490.0 g

Environment

Pelagic-neritic; anadromous (Ref. 51243); freshwater; brackish; marine; depth range ? - 200 m

Climate / Range

Tropical; 34°N - 5°N, 42°E - 97°E (Ref. 188)

Indian Ocean: Persian Gulf eastward to Myanmar, including western and eastern coasts of India. Reported from the Gulf of Tonkin, Viet Nam (Ref. 9706). Reported in Tigris River basin and probably other rivers of southern Iran (Ref. 39702).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Dorsal soft rays (total): 18 - 21; Anal spines: 0; Anal soft rays: 18 - 23. Belly with 30 to 33 scutes. Distinct median notch in upper jaw. Gill rakers fine and numerous, about 100 to 250 on lower part of arch. Fins hyaline. A dark blotch behind gill opening, followed by a series of small spots along flank in juveniles. Color in life, silver shot with gold and purple.

Schooling in coastal waters and ascending rivers for as much as 1200 km (usually 50-100 km). Migration though is sometimes restricted by barrages. Hilsa far up the Ganges and other large rivers seem to be permanent river populations. Feeds on plankton, mainly by filtering, but apparently also by grubbing on muddy bottoms. Breeds mainly in rivers during the southwest monsoon (also from January to February to March). Artificial propagation has been partially successful in India (Ref. 4832). Known to be a fast swimmer, covering 71 km in one day (Ref. 12203). Marketed fresh or dried-salted.


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Fisheries: minor commercial; aquaculture: experimental


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

High, minimum population doubling time less than 15 months (K=0.5-1.2; Fec=220,000)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low to moderate vulnerability (31 of 100)	High

Entered by Binohlan, Crispina B.

Modified by Kesner-Reyes, Kathleen

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Page last modified by : elaxamana, 15 July 2009

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