| Family: |
Callichthyidae (Callichthyid armored catfishes), subfamily: Corydoradinae |
| Max. size: |
6.6 cm SL (male/unsexed); 7.1 cm SL (female); max.weight: 11.2 g; max.weight: 13.1 g |
| Environment: |
demersal; freshwater; pH range: 6 - 8; dH range: 5 - 19 |
| Distribution: |
South America: Argentina, Brazil, and Uruguay. |
| Diagnosis: |
Dorsal spines (total): 2-2; Dorsal soft rays (total): 8-9; Anal soft rays: 6-7; Vertebrae: 21-22. This species is distinguished by the following characters: typically having the posterior margin of pectoral-fin spine only with perpendicularly directed serrations, with some specimens variably presenting some serrations smoothly bent towards the tip of the spine; presence of contact between the parieto-supraoccipital and nuchal plate; with a fold in the middle portion of the lower lip. Colouration: along flank midline are longitudinal series of 3-5 moderate-to large-sized dark brown or black blotches; some specimens have coalescent blotches, forming a wide and irregular stripe; anterior portion of dorsal fin with conspicuous concentration of dark brown or black chromatophores, not forming small dark markings; pectoral fin with conspicuous concentration of dark brown or black chromatophores, not forming small dark markings; caudal-fin lobes with conspicuous dark brown or black bands; absence of a dark brown or black bar crossing the orbit (Ref. 138497). |
| Biology: |
Found in ponds (Ref. 11229). Feeds on worms, crustaceans, insects and plant matter (Ref. 7020). Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm (Ref. 51539). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 15 October 2020 Ref. (130435)
|
| Threat to humans: |
harmless |
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