Description:
Dorsal spines (total): 1; Dorsal soft rays (total):
6; Anal soft rays: 14 - 17. Differs from all Leptodoras
except L.
linnelliby
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. Habitat: Inhabits
mainly whitewaters, but also occurs moderately in
blackwater rivers. Etymology: The
specific name acipenserinus: –inus
(L.), adjectival suffix: Acipenser, sturgeon genus,
i.e., sturgeon-like, presumably referring to “peculiar”
shape of head and snout, “elongate triangular,
pointed, and much depressed in its anterior portion”.
Common
Name:
None
Synonyms:
Oxydoras acipenserinus
Family:
Doradidae
Distribution:
South America:
Upper Amazon and Orinoco River basins.
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