Brachyplatystoma rousseauxii
Brachyplatystoma rousseauxii | |
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Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
Order: | Siluriformes |
Family: | Pimelodidae |
Genus: | Brachyplatystoma |
Species: | B. rousseauxii
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Binomial name | |
Brachyplatystoma rousseauxii (Castelnau, 1855)
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Synonyms | |
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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
[edit]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
[edit]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
[edit]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
[edit]- ^ Reis, R. & Lima (March 2024). "Gilded Catfish IUCN". IUCN Red List of Threatened Species. Retrieved 2023-03-05.
- ^ a b Froese, Rainer; Pauly, Daniel (eds.). "Brachyplatystoma rousseauxii". FishBase. June 2020 version.
- ^ a b c "Cat-eLog - Pimelodidae - Brachyplatystoma rousseauxii". Planet Catfish. Retrieved 2020-06-02.
- ^ 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". Neotropical Ichthyology. 11 (3): 637–647. doi:10.1590/S1679-62252013000300017.
- ^ "Order SILURIFORMES: Families HEPTAPTERIDAE, PHREATOBIIDAE, PIMELODIDAE and PSEUDOPIMELODIDAE". 13 September 2016.
- ^ a b "Brachyplatystoma rousseauxii (CASTELNAU, 1855) - Dourada". Seriously Fish. Retrieved 2020-06-02.
- ^ Barthem, Ronaldo B.; Goulding, Michael; Leite, Rosseval G.; Cañas, Carlos; Forsberg, Bruce; Venticinque, Eduardo; Petry, Paulo; Ribeiro, Mauro L. de B.; Chuctaya, Junior; Mercado, Armando (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. PMC 5292968. PMID 28165499.
External links
[edit]- Life-history Characteristics of the Large Amazonian Migratory Catfish Brachyplatystoma Rousseauxii in the Iquitos Region, Peru
- Phylogeography of Brachyplatystoma rousseauxii (Siluriformes-Pimelodidae) in the Amazon Basin offers preliminary evidence for the first case of “homing” for an Amazonian migratory catfish