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Conorhynchos conirostris is a monotypic genus 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.[2] This catfish has uncertain relationships and is placed incertae sedis in Siluriformes.[2][3] However, it has been previously been placed in Pimelodidae[4] or Heptapteridae[5], and grouped into the superfamily Pimelodoidea due to molecular evidence.[6]

Conorhynchos conirostris is endemic to the São Francisco River in Brazil and is considered a symbol of the river.[7] This fish can reach 53.5 centimetres (21.1 in) in standard length[4] and 13 kilograms (29 lb) in weight.[7] This fish is of commercial interest,[7] and is considered threatened by Brazil’s Ministry of the Environment.[8]

References

  1. ^ Instituto Chico Mendes de Conservação da Biodiversidade (ICMBio) (2021). “Conorhynchos conirostris“. IUCN Red List of Threatened Species (in Brazilian Portuguese). 2021 e.T187028A1822039. doi:10.2305/IUCN.UK.2021-1.RLTS.T187028A1822039.pt. Retrieved 20 December 2024.
  2. ^ 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. doi:10.11646/zootaxa.1418.1.1.
  3. ^ Fricke, Ron; Eschmeyer, William N. & van der Laan, Richard (eds.). “Conorhynchos Bleeker 1858″. Catalog of Fishes. California Academy of Sciences. Retrieved 16 June 2026.
  4. ^ a b Froese, Rainer; Pauly, Daniel (eds.). “Conorhynchos conirostris“. FishBase. February 2012 version.
  5. ^ Nelson, Joseph S.; Grande, Terry C.; Wilson, Mark V. H. (2016). “Family HEPTAPTERIDAE”. Fishes of the World (5th ed.). Hoboken: John Wiley and Sons. p. 236. doi:10.1002/9781119174844. ISBN 978-1-118-34233-6.
  6. ^ 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. Bibcode:2006MolPE..41..636S. doi:10.1016/j.ympev.2006.05.044. PMID 16876440.
  7. ^ 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 (PDF) (Master’s thesis) (in Portuguese). Pontifical Catholic University of Minas Gerais. Archived from the original (PDF) on May 4, 2004. Retrieved 2007-06-04.
  8. ^ ICMBio (Ministry of the Environment, Brazil): Portaria MMA nº 445, de 17 de dezembro de 2014 Archived 2022-05-03 at the Wayback Machine. Lista de Especies Ameaçadas – Saiba Mais. Retrieved 1 December 2018.