Humphead thryssa (Thryssa polybranchialis)

Scientific name: Thryssa polybranchialis Wongratana, 1983

Humphead thryssa (Thryssa polybranchialis)

The Humphead thryssa (Thryssa polybranchialis) is a marine fish of the family Engraulidae. Native range: Indian Ocean, eastern and western coasts of India.

Biology

Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 35 - 39. Belly with 15 to 17 + 9 or 10 = 25 to 27 keeled scutes from isthmus to anus. A distinct hump at nape; tip of snout above upper rim of eye. Maxilla short, not quite or only just reaching to edge of gill cover; first supra-maxilla minute, oval. A dark blotch behind upper part of gill opening.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Thryssa polybranchialis
Family
Engraulidae (Anchovies)
Order
Clupeiformes (Herrings)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
17.0
Environment
Marine; pelagic-neritic
Climate
Tropical
Distribution
Indian Ocean: eastern and western coasts of India.
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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