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Down Cat-eLog Data Sheet
Scientific Name Chaetostoma chimu  Urbano-Bonilla & Ballen, 2021
Common Names L447, Sardinata-gumminæse (Denmark)
Villavicencio Ii Bulldog Pleco, Villavicencio Ii Rubbernose Pleco (USA)
Type Locality Sardinata River, Güejar River drainage, tributary to the upper Guaviare River, Orinoco basin, Serranía de la Macarena, Vista Hermosa, Meta, Colombia, 03°01'7.1"N, 73°50'27.4"W, elevation 276 meters.
Pronunciation KATE oh STOW mah
Etymology Greek, chaite = hair + Greek, stoma = mouth. 
Down Species Information
Identification The genus Chaetostoma is not straightforward to identify, but as a general rule, the species has spines behind the gill-cover (interopercular odontodes), no plates on the abdomen, and aside from C. platyrhynchus also lack plates on the snout edge. Different from Ancistrus by not having fleshy tentacles on the snout.
Sexing The males have however a larger and broader head, slimmer ventral sides and disproportionately large pelvic fins. Perhaps the over-sized pelvic fins play a large role in the fertilization of the eggs. By inverting these over the clutch of eggs, they prevent the sperm cells being carried away by fast water current.
General Remarks Before assignation to an L-number in November 2010, this species was known as Chaetostoma sp. `Villavicencio II`.
Down Habitat Information
Distribution
Orinoco, Upper Orinoco, Guaviare, Upper Guaviare (click on these areas to find other species found there)
Orinoco, Middle Orinoco, Meta, Upper Meta (click on these areas to find other species found there)

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IUCN Red List Category
Not Evaluated
pH 7.0 - 8.9
Temperature 21.0-29.0°C or 69.8-84.2°F (Show species within this range)
Other Parameters Occurs in streams and rivers with channels 8–50 m wide, shallow depth (0.30–1.3 m), moderate water speed (0.34–0.62 m/s), well-oxygenated water (6.1– 9.5 mg/L), warm temperatures (21–29 °C), slightly basic pH (7.1–8.9), and high conductivity (20.4–269.0 µS).
Down Husbandry Information
Furniture Well rounded stones stacked to replicate a river bottom and provide caves.
Compatibility In tributaries to the upper Guaviare River, C. chimu has been observed in sympatry the congeners C. dorsale, C. formosae, C. platyrhynchus and C. joropo.
Breeding Spawns in shallow, fast flowing water on the underneath of a flat object. Male, upside down, guards an adhesive clutch of eggs by, more or less, covering it with his body.
Breeding Reports There is no breeding report.
Down Further Information
Reference Journal of Fish Biology v. 98 (no. 4), pp 2, Figs. 1-2.
Registered Keepers There are 2 registered keepers, view all "my cats" data.
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There are 4 records of this fish being seen, view them all.
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Last Update 2022 Jan 22 10:19 (species record created: 2020 Dec 06 22:52)