Ilisha megaloptera, Bigeye ilisha : fisheries

Ilisha megaloptera (Swainson, 1839)

Bigeye ilisha
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Ilisha megaloptera   AquaMaps   Data sources: GBIF OBIS
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Image of Ilisha megaloptera (Bigeye ilisha)
Ilisha megaloptera
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Classificatie / Names Populaire namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Clupeiformes (Herrings) > Pristigasteridae (Pristigasterids)
Etymology: Ilisha: An Indian name.  More on author: Swainson.

Environment: milieu / climate zone / depth range / distribution range Ecologie

; marien; zoetwater; brakwater; anadroom (Ref. 51243); diepteverspreiding 0 - 50 m (Ref. 188).   Tropical; 24°N - 10°S, 70°E - 118°E (Ref. 188)

Verspreiding Landen | FAO regio's | Ecosystems | Voorkomen | Point map | Introducties | Faunafri

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.

Size / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 36.5 cm SL mannelijk/geslacht niet bekend; (Ref. 108866)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 0; Anale stekels 0; Anale zachte stralen: 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.

Biologie     Verklarende woordenlijst (b.v. epibenthic)

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.

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

Voornaamste referentie Upload your references | Referenties | Coördinator | Medewerkers

Whitehead, P.J.P., 1985. FAO Species Catalogue. Vol. 7. Clupeoid fishes of the world (suborder Clupeoidei). An annotated and illustrated catalogue of the herrings, sardines, pilchards, sprats, shads, anchovies and wolf-herrings. FAO Fish. Synop. 125(7/1):1-303. Rome: FAO. (Ref. 188)

Status op de Rode Lijst van het IUCN (Ref. 123251)

  Niet bedreigd (LC) ; Date assessed: 28 February 2017

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Harmless





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Estimates based on models

Preferred temperature (Ref. 115969): 27.7 - 29.3, mean 28.8 °C (based on 614 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00851 (0.00544 - 0.01332), b=2.95 (2.82 - 3.08), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.0   ±0.37 se; based on food items.
Weerstandsvermogen (Ref. 120179):  Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Kwetsbaarheid (Ref. 59153):  Moderate vulnerability (38 of 100) .
Prijsklasse (Ref. 80766):   High.
Nutrients (Ref. 124155):  Calcium = 201 [109, 355] mg/100g ; Iron = 1.63 [0.99, 2.66] mg/100g ; Protein = 18.2 [16.7, 19.7] % ; Omega3 = 0.773 [0.355, 1.702] g/100g ; Selenium = 50.9 [24.6, 105.1] μg/100g ; VitaminA = 15.5 [5.2, 39.4] μg/100g ; Zinc = 1.84 [1.29, 2.64] mg/100g (wet weight);