Facultative air-breathing ; May be found in rivers with strong current but prefers backwaters . Feeds on detritus and periphyton on submerged trunks and aquatic macrophytes .
Physical description for Pterygoplichthys Undecimalis is currently being compiled.
Behavioural data for Pterygoplichthys Undecimalis is currently being reviewed.
Diet information for Pterygoplichthys Undecimalis is currently being compiled.
Males guard the fertilized eggs .
Freshwater; demersal. Tropical South America: Magdalena River basin.
detritus and periphyton on submerged trunks and aquatic macrophytes (Ref
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