Megaleporinus obtusidens

Boga, a reference photo
Photo: CC BY-SA 2.5 (licence)

Arhinolemur obtusidens is a South American species of headstander that inhabits the basins of the Paraná River and the Río de la Plata, the Uruguay River, and the São Francisco River (including minor rivers and tributaries like the Bermejo, Pilcomayo, Salí, Juramento, Dulce, and Uniguay). It may be found in the main courses and streams, as well as in lakes and lagoons; it often shelters among stones and aquatic vegetation.

From Wikipedia, under CC BY-SA 4.0.

Is it venomous or poisonous?

We have no record of Boga being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Classification

Kingdom
Animalia
Phylum
Chordata
Class
Actinopterygii
Order
Characiformes
Family
Anostomidae
Species
Megaleporinus obtusidens

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