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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 | |||