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Haakon Haagensen (1) Johnny Jensen's Photographic Library (1) Manuel Zárate López (1)

Description: The new species has been long confused with Chaetostoma milesi, a species with similar overall morphology and colour pattern that is restricted to the Magdalena-Cauca River Basin. We diagnose the new species on the basis of morphology as well as a precise description of the colour pattern. Chaetostoma joropo is also easily distinguished from C. formosae the most similar species and other species inhabiting the Orinoco River drainage in Colombia. Data on ontogenetic variation and sexual dimorphism are provided, as well as natural history notes and remarks on the usage of the name Chaetostoma milesi for specimens from both the Orinoco and Magdalena-Cauca drainages. A discussion on the usage of the name Chaetostoma platyrhynchus is also provided given its current instability in the literature (Ballen et al.). Habitat: Chaetostoma joropo is described from the piedmont of the Orinoco River drainage in Colombia. Aquarium Care: As C. joropo is a more warm loving species it will need a good water flow in the aquarium with a sand substrate and plenty of hiding places. The Chaetostoma species are not the easiest to maintain as the mountain stream species will need a water current to provide oxygen-rich water. The species that are exported usually originate from warmer waters so are a bit easier to keep than the mountain stream variety. Diet: Great algae eater, but you will have to subsidise this food with algae wafers and vegetable foods such as cucumber, zucchini and lettuce. Will also except tablet and worm foods. Sexual Differences: Males have better colour, a broader head and lips and adult males possess longer ventral fins than the females. Etymology: The specific name joropo refers to a collection of musical styles in the Llanos, the Orinoco-basin - because Chaetostoma joropo lives there.

L445, Chaetostoma sp. "Río Meta", Chaetostoma sp. "Villavicencio I"

None

Loricariidae

Colombia: Río Güejar (oberer río Guaviare-Einzug), Río Cusiana, Río Caja, Río Tocoragu, R ío Casanare, Río Meta-Einzug (Meta, Arauca).

12.5cm. (5ins)

23-30°c (73-87°f.)

7.0-8.5.

Ballen, Gustavo A.; Urbano-Bonilla, Alexander; Maldonado-Ocampo, Javier A.; Description of a new species of the genus Chaetostoma from the Orinoco River drainage with comments on Chaetostoma milesi Fowler, 1941 (Siluriformes: Loricariidae).
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