Biology:Brachyplatystoma rousseauxii

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Short description: Species of catfish

Brachyplatystoma rousseauxii
F de Castelnau-poissonsPl14.jpg
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Pimelodidae
Genus: Brachyplatystoma
Species:
B. rousseauxii
Binomial name
Brachyplatystoma rousseauxii
(Castelnau, 1855)
Synonyms
  • Bagrus goliath
  • Bagrus rousseauxii
  • Brachyplatystoma paraense

Brachyplatystoma rousseauxii, the gilded catfish or dourada, is a species of catfish of the family Pimelodidae that is native to Amazon and Orinoco River basins and major rivers of French Guiana.[2][3][4]

Named in honor of Louis Rousseau (1811-1874), assistant naturalist, Muséum d’histoire naturelle in Paris.[5]

Distribution

It is a much widespread species that is found in fluvial systems in the Guianas and northeastern Brazil and Amazon and Orinoco river drainage.[3]

Description

It grows to a length of 192 cm.[2] Body is characterized by platinum head and gold body. Adults have short barbels. Caudal-fin in adults deeply-forked with narrow lobes.[6]

It is entirely piscivorous.[6]

Ecology

It is a demersal fish commonly inhabits deeper, flowing channels. Juveniles and sub adults are migratory.[3] It is considered to have the longest freshwater migration of any known fish species[7]

References

  1. Reis, R. & Lima (March 2007). "Gilded Catfish IUCN" (in English). IUCN Red List of Threatened Species. https://www.iucnredlist.org/species/167648/6362510. Retrieved 2020-06-02. 
  2. 2.0 2.1 Froese, Rainer and Pauly, Daniel, eds. (2020). "Brachyplatystoma rousseauxii" in FishBase. June 2020 version.
  3. 3.0 3.1 3.2 "Cat-eLog - Pimelodidae - Brachyplatystoma rousseauxii" (in English). https://www.planetcatfish.com/common/species.php?task=&species_id=944. 
  4. Córdoba, Edwin Agudelo; León, Ángela Viviana Joven; Bonilla-Castillo, César Augusto; Petrere Junior, Miguel; Peláez, Marlón; Duponchelle, Fabrice (2013). "Breeding, growth and exploitation of Brachyplatystoma rousseauxii Castelnau, 1855 in the Caqueta River, Colombia" (in English). Neotropical Ichthyology 11 (3): 637–647. doi:10.1590/S1679-62252013000300017. https://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252013000300637. Retrieved 2020-06-02. 
  5. "Order SILURIFORMES: Families HEPTAPTERIDAE, PHREATOBIIDAE, PIMELODIDAE and PSEUDOPIMELODIDAE". 13 September 2016. http://www.etyfish.org/siluriformes11/. 
  6. 6.0 6.1 "Brachyplatystoma rousseauxii (CASTELNAU, 1855) - Dourada" (in English). https://www.seriouslyfish.com/species/brachyplatystoma-rousseauxii/. 
  7. Barthem, Ronaldo B.; Goulding, Michael; Leite, Rosseval G.; Cañas, Carlos; Forsberg, Bruce; Venticinque, Eduardo; Petry, Paulo; Ribeiro, Mauro L. de B. et al. (2016). "Goliath catfish spawning in the far western Amazon confirmed by the distribution of mature adults, drifting larvae and migrating juveniles". Scientific Reports 7: 41784. doi:10.1038/srep41784. PMID 28165499. 

External links

Wikidata ☰ Q5588049 entry