Leptodoras acipenserinus (Günther 1868)

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).

Dorsal spines (total): 1; Dorsal soft rays (total): 6; Analsoft rays: 14 - 17

Inhabits mainly whitewaters, but also occurs moderately in blackwater rivers (Ref. 56896).