Sympatry and syntopy of cichlids (Teleostei: Cichlidae) in the Selva Central, upper Ucayali river basin, Peru

Sympatry and syntopy of cichlids (Teleostei: Cichlidae) in the Selva Central, upper Ucayali river basin, Peru

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Sympatry and syntopy are rare among congeneric cichlids in the Neotropics.Among Peruvian Amazonian cichlids congeneric syntopy has Tongs so far been reported in only 1 case known from a single locality.Based on thorough exploration of a new locality I refute the syntopy of the 2 species involved: Bujurquina robusta (Kullander, 1986) is a mouth-bay species while B.labiosa (Kullander, 1986) is an upland species.

I demonstrate the generality of this ecological Crackers allotopy with further examples from a second study area including a different set of species.