Lobejaw ilisha (Ilisha sirishai)

Scientific name: Ilisha sirishai Seshagiri Rao, 1975

Lobejaw ilisha (Ilisha sirishai)

The Lobejaw ilisha (Ilisha sirishai) is a brackish-water fish of the family Pristigasteridae. Native range: Indo-West Pacific, Persian Gulf to the Bay of Bengal and Andaman coast of Thailand to the Gulf of Thailand (Songkhla Lake).

Biology

Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 39 - 43. Body moderately slender, belly with 18 to 21 + 8 or 9, total usually 28 or 29 scutes. Eye large, lower jaw strongly projecting; shaft of maxilla with a distinct lobe or flange between hind tip of pre-maxilla and blade of maxilla. Dorsal fin origin near or before midpoint of body; anal origin a little behind dorsal fin base. Swim bladder without a posterior tube (or tubes).

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Ilisha sirishai
Family
Pristigasteridae (Pristigasterids)
Order
Clupeiformes (Herrings)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
23.0
Depth range
0–50 m (0–164 ft)
Environment
Marine; brackish; pelagic-neritic; anadromous; depth range 0 - 50 m
Climate
Tropical
Distribution
Indo-West Pacific: Persian Gulf to the Bay of Bengal and Andaman coast of Thailand to the Gulf of Thailand (Songkhla Lake).
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: subsistence fisheries
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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