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Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Superfamily: Pimelodoidea
Family: incertae sedis
Genus: Conorhynchos
Bleeker, 1858
C. conirostris
Binomial name
Conorhynchos conirostris
(Valenciennes, 1840)
  • Conorhynchus conirostris
    (Valenciennes, 1840)
  • Conorhynchus glaber
    Steindachner, 1877
  • Conorynchus conirostris
    (Valenciennes, 1840)
  • Pimelodus conirostris
    Valenciennes, 1840

Conorhynchos conirostris is a species of catfish (order Siluriformes).

The spelling of the generic name has been confused; it is currently valid as Conorhynchos as described by Pieter Bleeker in 1858.[1] This catfish has unknown relationships. It does not appear to be assignable to any family and is placed incertae sedis.[1] However, it has been grouped into the superfamily Pimelodoidea due to molecular evidence.[2]

Conorhynchos conirostris is endemic to the São Francisco River in Brazil and is considered a symbol of the river.[3] This fish can reach 53.5 centimetres (21.1 in) in standard length[4] and 13 kilograms (29 lb) in weight.[3] This fish is of commercial interest,[3] and is considered threatened by Brazil's Ministry of the Environment.[5]


  1. ^ a b Ferraris, Carl J. Jr. (2007). "Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types" (PDF). Zootaxa. 1418: 1–628.
  2. ^ Sullivan, JP; Lundberg JG; Hardman M (2006). "A phylogenetic analysis of the major groups of catfishes (Teleostei: Siluriformes) using rag1 and rag2 nuclear gene sequences". Mol Phylogenet Evol. 41 (3): 636–62. doi:10.1016/j.ympev.2006.05.044. PMID 16876440.
  3. ^ a b c Daniella Cristina Januário Ribeiro (2002). "Biologia Reprodutiva do Pirá Conorhynchus conirostris Valenciennes, 1840 (Pisces: Pimelodidae) do Rio São Francisco, Região de Pirapora, Minas Gerais (Portuguese)" (PDF). Archived from the original (PDF) on May 4, 2004. Retrieved 2007-06-04. Cite journal requires |journal= (help)
  4. ^ Froese, Rainer and Pauly, Daniel, eds. (2012). "Conorhynchos conirostris" in FishBase. February 2012 version.
  5. ^ ICMBio (Ministry of the Environment, Brazil): Portaria MMA nº 445, de 17 de dezembro de 2014. Lista de Especies Ameaçadas - Saiba Mais. Retrieved 1 December 2018.