Oxydoras niger (Valenciennes, 1821)
Ripsaw catfish
photo by Magalhães, K.

Family:  Doradidae (Thorny catfishes), subfamily: Doradinae
Max. size:  100 cm SL (male/unsexed); max.weight: 11 kg; max.weight: 13 kg
Environment:  demersal; freshwater; pH range: 6 - 7.80000019073486; dH range: 25
Distribution:  South America: Amazon, São Francisco and Essequibo River basins. Possibly in the Orinoco River basin.
Diagnosis:   
Biology:  Occurs over mud in streams and lakes. Forms schools (Ref. 9084). Feeds on detritus, chironomid and ephemeropteran larvae, and crustaceans (Ref. 9096). Known from temperatures ranging from 24-29.8 °C, pH range of 5-9, and an alkalinity range of 42-142.
IUCN Red List Status: Least Concern (LC); Date assessed: 02 December 2020 Ref. (130435)
Threat to humans:  harmless


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