Adults occur in rocky areas of the river with moderate to high current . Feed on sponges . Distinct pairs breed on densely grown weedy places .
Physical description for Insperanos Nattereri is currently being compiled.
Behavioural data for Insperanos Nattereri is currently being reviewed.
Distinct pairs breed on densely grown weedy places .
Freshwater; benthopelagic. Tropical South America: throughout Orinoco and Amazon basins; Brazil and possibly Bolivia and Colombia.
sponges (Ref
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