Otocinclus arnoldi
| Otocinclus arnoldi | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Siluriformes |
| Family: | Loricariidae |
| Genus: | Otocinclus |
| Species: | O. arnoldi
|
| Binomial name | |
| Otocinclus arnoldi | |
Otocinclus arnoldi is a species of freshwater ray-finned fish belonging to the family Loricariidae, the suckermouth armored catfishes, and the subfamily Hypoptopomatinae, the cascudinhos.[2] This catfish is found in South America, where it occurs in the lower río Paraná drainage, in the lower and middle rio Uruguai and in the río de La Plata in Argentina, Bolivia, Brazil, Paraguay and Uruguay.[1] This species reaches a maximum standard length of 4.8 cm (1.9 in).[3]
Otocinclus arnoldi has a specific name which honors the German aquarist Johann Paul Arnold, who gave the holotype to the British Museum (Natural History).[4]
Otocinclus arnoldi is traded in the aquarium trade.[1]
References
- ^ a b c Salvador, G.N. (2023). "Otocinclus arnoldi". IUCN Red List of Threatened Species. 2023 e.T164512226A164512230. doi:10.2305/IUCN.UK.2023-1.RLTS.T164512226A164512230.en. Retrieved 22 April 2026.
- ^ a b Fricke, Ron; Eschmeyer, William N. & van der Laan, Richard (eds.). "Species in the genus Otocinclus". Catalog of Fishes. California Academy of Sciences. Retrieved 22 April 2026.
- ^ Froese, Rainer; Pauly, Daniel (eds.). "Otocinclus arnoldi". FishBase. February 2026 version.
- ^ Christopher Scarpf (28 February 2026). "Family LORICARIIDAE: Subfamily HYPOPTOPOMATINAE Eigenmann & Eigenmann 1890 (Cascudinhos)". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf. Retrieved 22 April 2026.