Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Siluriformes (Catfishes) >
Callichthyidae (Callichthyid armored catfishes) > Corydoradinae
Etymology: Corydoras: Greek, kory = helmet + greek, doras = skin (Ref. 45335); colossus: Name 'colossus from an Ancient Greek word 'kolossós', meaning 'large/giant statue', in allusion to the relatively large, robust, armored body of the new species. A noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
South America: Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.8 cm SL male/unsexed; (Ref. 137798)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 2; Dorsal soft rays (total): 8; Anal soft rays: 6 - 7. This species is distinguished from its congeners by the following set of characters: ventral surface of trunk with small- to relatively large-sized coalescent platelets, forming a typical mosaic-like pattern; a large, arched dark brown or black patch present, extending from interopercle region to posterior process of parieto-supraoccipital, transversally crossing orbit and forming typical mask-like blotch; conspicuous dark markings on caudal fin absent; longitudinal rows of dark blotches on flanks absent; region of first dorsolateral body plate surrounding posterior process of parieto-supraoccipital clearly lighter than remaining portions of head, forming a V-shaped pattern in dorsal view; presenting anterior portion of dorsal fin with conspicuous concentration of dark brown or black chromatophores, forming a dark patch (Ref. 137798).
Body shape (shape guide): short and / or deep; Cross section: oval.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Tencatt, L.F.C., S. Grant and R.F. Bentley, 2023. A new color-changing species of Corydoras (Siluriformes: Callichthyidae)
from the rio Jutaí, Brazilian Amazon. Neotrop. Ichthyol. 21(4):e230105. (Ref. 137798)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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