Ilisha amazonica (Miranda Ribeiro, 1920)
Amazon ilisha
Ilisha amazonica
photo by Carvalho Filho, A.

Family:  Pristigasteridae (Pristigasterids)
Max. size:  19.7 cm SL (male/unsexed); max.weight: 98.4 g
Environment:  pelagic; freshwater
Distribution:  South America: Amazon River basin (Pará and Manáos [= Manaus] to Iquitos, Peru).
Diagnosis:  Dorsal spines (total): 0-0; Anal spines: 0-0; 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 (Ref. 188). Grayish above, yellowish to silvery below (Ref. 37032).
Biology:  Occurs in rivers, apparently not entering sea. More specimens and data needed.
IUCN Red List Status: Least Concern (LC); Date assessed: 28 February 2017 Ref. (124695)
Threat to humans:  harmless
Country info:   

Entered by: Binohlan, Crispina B. - 17.10.90
Modified by: Reyes, Rodolfo B. - 05.10.16
Checked by: Binohlan, Crispina B. - 26.07.94

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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