Bigeye ilisha (Ilisha megaloptera)

Scientific name: Ilisha megaloptera Swainson, 1839

Bigeye ilisha (Ilisha megaloptera)

The Bigeye ilisha (Ilisha megaloptera) is a freshwater fish of the family Pristigasteridae.

Biology

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.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Ilisha megaloptera
Family
Pristigasteridae (Pristigasterids)
Order
Clupeiformes (Herrings)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
28.0
Depth range
0–50 m (0–164 ft)
Environment
Marine; freshwater; brackish; pelagic-neritic; anadromous; depth range 0 - 50 m
Climate
Tropical
Distribution
Indo-Pacific: Indian Ocean (Bombay to Bay of Bengal and Andaman coast of Thailand), Java Sea (off Java, Singapore). Sarawak, `Cochinchina' and Macao specimens should be rechecked.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: commercial
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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