Corydoras zawadzkii Tencatt & Ohara, 2016

Family:  Callichthyidae (Callichthyid armored catfishes), subfamily: Corydoradinae
Max. size:  5 cm SL (male/unsexed)
Environment:  demersal; freshwater; depth range 0 - 2 m
Distribution:  South America: Brazil.
Diagnosis:  This species can be distinguished from its congeners by the following set of characters: long mesethmoid, with anterior tip well developed, significantly over 50% of bone length; posterior margin of dorsal-fin spine with serrations directed towards tip of spine; 1-2 longitudinal black stripes on flanks; no black blotch across the eyes (mask); large black blotch on dorsal fin absent; and presence of transversal black bars on caudal fin (Ref. 110223).
Biology:  Found in small stream (2-3 m wide and 0.5-1.8 m depth), with clear water, preserved riparian vegetation, and swift water current. Bottom substrate composed mainly by sand and dead leaves (Ref. 110223).
IUCN Red List Status: Least Concern (LC); Date assessed: 26 October 2020 Ref. (130435)
Threat to humans:  harmless


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