Corydoras desana

Corydoras desana Lima & Sazima, 2017

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Teleostei (teleosts) > Siluriformes (Catfishes) > Callichthyidae (Callichthyid armored catfishes) > Corydoradinae
Etymology: Corydoras: Greek, kory = helmet + greek, doras = skin (Ref. 45335); desana: Named after an ethnic group that inhabits the rio Tiquié basin, the Desana, which is closely related linguistically and culturally to the Tukano indians, who also inhabit the rio Tiquié basin; This name is also referring to the resemblance between the mimic pair C. desana and C. tukano; name in apposition.

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; demersal. Tropical

Distribution Territories | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

South America: Brazil.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 5.1 cm SL male/unsexed; (Ref. 138491)

Short description Identification keys | Morphology | Morphometrics

This species is distinguished by the following characters: color pattern with ground color clear, with three large blotches, the first one (‘mask’) in the head at the eye level, the second humeral blotch at the dorsal fin level, and a third blotch at the caudal peduncle; sout long, 59.3-70.6% of head length, or 1.4-1.7 within the head length; pectoral-fin spine with well-developed serrations along posterior margin (Ref. 138491).
Body shape (shape guide): short and / or deep; Cross section: oval.

Biology     Glossary (e.g. epibenthic)

Currently known only from the Igarapé Castanha, a tributary of the rio Tiquié (itself a tributary of rio Uaupés), upper rio Negro basin, Amazonas state, in Brazil. It was only recorded a little upstream of the indian village of Santa Rosa and other collecting sites downstream the Igarapé Castanha and along the rio Tiquié only revealed its co-mimic, Corydoras tukano, which is not only more distributed but also considerably more abundant than the rare C. desana. The four specimens of Corydoras desana collected between September and November 2006 were schooling along with C. tukano at sandy beaches. The Igarapé Castanha is a meandering river with oxbow lakes, alternating sandy beaches and river terraces, with clear water, but with a considerable amount of suspended sediments (quite distinct from the rio Tiquié, which is a typical black water river at least before its junction with the Igarapé Castanha) (Ref. 138491).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Reis, Roberto E. | Collaborators

Lima, F.C.T. and I. Sazima, 2017. Corydoras desana, a new plated catfish from the upper rio Negro, Brazil, with comments on mimicry within Corydoradinae (Ostariophysi: Siluriformes: Callichthyidae). aqua, International Journal of Ichthyology 23(1):19-31. (Ref. 138491)

IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))

Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02455 (0.00934 - 0.06448), b=3.00 (2.77 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.0   ±0.3 se; based on size and trophs of closest relatives
Resilience (Ref. 120179):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100). 🛈