Hidden ilisha (Ilisha obfuscata)

Scientific name: Ilisha obfuscata Wongratana, 1983

Hidden ilisha (Ilisha obfuscata)

The Hidden ilisha (Ilisha obfuscata) is a brackish-water fish of the family Pristigasteridae. Native range: Indian Ocean, known only from Bombay and Pondicherry.

Biology

Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 39 - 42. Belly with 19 or 20 + 8, total 27 or 28 scutes. Eye large, lower jaw projecting. Dorsal fin origin at about midpoint of body; anal fin origin under or just behind final dorsal fin rays. Vertical striae on scales traversing whole scale or overlapping across center of scale. Swim bladder with two very short tubes passing back in the muscles on either side of haemal spines.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Ilisha obfuscata
Family
Pristigasteridae (Pristigasterids)
Order
Clupeiformes (Herrings)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
7.4
Depth range
0–50 m (0–164 ft)
Environment
Marine; brackish; pelagic-neritic; depth range 0 - 50 m
Climate
Tropical
Distribution
Indian Ocean: known only from Bombay and Pondicherry.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
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.

Last updated