Amazon ilisha (Ilisha amazonica)

Scientific name: Ilisha amazonica Miranda Ribeiro, 1920

Amazon ilisha (Ilisha amazonica)

The Amazon ilisha (Ilisha amazonica) is a freshwater fish of the family Pristigasteridae. Native range: South America, Amazon River basin (Par? and Man?os [= Manaus] to Iquitos, Peru).

Biology

Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 47 - 52. Body moderately elongate, belly with 25 or 26 scutes. Eye large, lower jaw projecting; gap between hind tip of pre-maxilla and blade of maxilla a ligament, not a toothed bone. Dorsal fin origin well before midpoint of body; anal fin long. Resembles species of Pellonula, which have a distinct toothed hypo-maxilla between the hind tip of the pre-maxilla and the blade of maxilla. Grayish above, yellowish to silvery below.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Ilisha amazonica
Family
Pristigasteridae (Pristigasterids)
Order
Clupeiformes (Herrings)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
17.3
Environment
Freshwater; pelagic
Climate
Tropical
Distribution
South America: Amazon River basin (Par? and Man?os [= Manaus] to Iquitos, Peru).
Conservation status (IUCN)
Least Concern (LC)
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.

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