Corydoras undulatus Regan, 1912
photo by Hippocampus-Bildarchiv

Family:  Callichthyidae (Callichthyid armored catfishes), subfamily: Corydoradinae
Max. size:  4.4 cm SL (male/unsexed)
Environment:  demersal; freshwater; pH range: 6 - 8; dH range: 2 - 25
Distribution:  South America: Lower ParanĂ¡ River basin and coastal rivers in southern Brazil.
Diagnosis:   
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 15 October 2020 Ref. (130435)
Threat to humans:  harmless


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