Pterygoplichthys undecimalis (Steindachner, 1878)

Family:  Loricariidae (Armored catfishes), subfamily: Hypostominae
Max. size:  50 cm SL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  South America: Magdalena River basin.
Diagnosis:   
Biology:  May be found in rivers with strong current but prefers backwaters (Ref. 26543). Feeds on detritus and periphyton on submerged trunks and aquatic macrophytes (Ref. 26543).
IUCN Red List Status: Least Concern (LC); Date assessed: 10 October 2014 Ref. (130435)
Threat to humans:  harmless


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