Ilisha megaloptera (Swainson, 1839)

Bigeye ilisha

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

Classification	Actinopterygii \| Clupeiformes \| Pristigasteridae
Synonyms	Clupea megalopterus, Pellona megaloptera, Clupanodon motius, ... more
Common names	Alose à gros yeux, Sardineta ojigrande, Belia mata, ... more

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Image of Ilisha megaloptera (Bigeye ilisha)

Picture by Devarapalli, P.

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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 : 28.0 cm SL male/unsexed; (Ref. 12693)

Environment

Pelagic-neritic; anadromous (Ref. 51243); freshwater; brackish; marine; depth range 0 - 50 m (Ref. 188)

Climate / Range

Tropical; 24°N - 10°S, 70°E - 118°E (Ref. 188)

Indo-Pacific: Indian Ocean (Bombay to Bay of Bengal and Andaman coast of Thailand), Java Sea (off Java, Singapore). Sarawak, `Cochinchina' and Macao specimens (Ref. 6393) should be rechecked.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 38 - 53. Body rather deep, belly with 19 to 23 + 8 to 12, total 28 to 35 (usually 30 to 34) scutes. Eye large, lower jaw strongly projecting. Dorsal fin origin near midpoint of body; anal fin origin below hind part of dorsal fin base. Swim bladder with a single long tube passing back down right side of body above anal fin base. No toothed hypo-maxilla.

An inshore species, but apparently occurs also in rivers (Ganges at Allahabad and rivers of eastern Uttar Pradesh, but not in Velar estuary). Ascends into the upper end of the tidal zone (Ref. 12693). Feeds on fishes, crustaceans, amphipods, occasionally polychaetes, tunicates and small amounts of algae and diatoms.


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

Human uses
Fisheries: commercial


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 (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low vulnerability (23 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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