Leptodoras acipenserinus (Günther, 1868)
photo by Sabaj Pérez, M.H.

Family:  Doradidae (Thorny catfishes), subfamily: Doradinae
Max. size:  20.3 cm SL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  South America: Upper Amazon basin in Ecuador, Peru and Brazil.
Diagnosis:  Dorsal spines (total): 1-1; Dorsal soft rays (total): 6-6; Anal soft rays: 14-17. Differs from all Leptodoras except L. linnelli by having adipose fin extended anteriorly as a low thin ridge of adipose tissue to a point midway between anterior insertion of adipose fin and posterior insertion of dorsal fin (Ref. 56896).
Biology:  Inhabits mainly whitewaters, but also occurs moderately in blackwater rivers (Ref. 56896).
IUCN Red List Status: Least Concern (LC); Date assessed: 29 July 2020 Ref. (130435)
Threat to humans:  harmless


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