|Cat-eLog Data Sheet|
|Scientific Name||Chaetostoma pearsei Eigenmann, 1920|
|Common Names||L187, Pears' Rubbernose Pleco
|Type Locality||Rio Castano, Maracay, Venezuela|
|Pronunciation||KATE oh STOW mah|
|Etymology||Greek, chaite = hair + Greek, stoma = mouth.|
|Size||150mm or 5.9" SL. Find near, nearer or same sized spp.|
|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.
From Fernandez Yepez, "Spot or dark area on the membrane between the the dorsal spine and first divided ray. Dorsal spines I, 9; anal I, 4, superior part (of body) with small light colored spots."
|Sexing||During the spawning season, the rostrum of breeding males becomes enlarged and "fatty." This is why the common name "rubbernose" has been applied to the genus.|
|General Remarks||Specimens collected by German hobbyists from the Lake Valencia region appeared in Datz 10/94. Subsequent photos of L187 in Aqualog and other publications were of other species with a similar appearance. Pictures of at least half a dozen Chaetostoma spp from Colombia, Venezuela, and Peru have all appeared in various books as L187.
The above specimen was collected in the Rio Tuy system.
|Distribution||Restricted to the Lake Valencia and Rio Tuy systems of north central Venezuela.
Tuy (click on these areas to find other species found there)
Valencia (click on these areas to find other species found there)
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|pH||6.8 - 7.5|
|Temperature||24.0-25.5°C or 75.2-77.9°F (Show species within this range)|
|Other Parameters||Water should be soft, clear, and well oxygenated.|
|Feeding||Like many Chaetostoma spp they can be difficult to get feeding. Live and frozen foods and rock and driftwood covered with algae help them begin to eat after capture. With time all standard aquarium foods are eaten, especially fresh vegetables.|
|Furniture||The natural habitat consists of rounded stones of various sizes with a substrate of mixed sand/gravel. Due to the level of current there are no aquatic plants. Light levels are high due to the water's clearness and shallowness (usually less than one meter).|
|Compatibility||Other fishes that need similar "cool" well oxygenated water.|
|Suggested Tankmates||Other Chaetostoma spp and fast water tetras.|
|Breeding Reports||There is no breeding report.|
|References||Fernandez Yepes (date unknown) Un Nuevo Loricarido para Venezuela; Descripcion de un ejemplar de Loricariidae, colectado en el Rio encantado, afluente del Rio Tuy por medio del Rio Grande. Memoria De La SCN La Salle. p 27-33 Ceas P.A. and L. M. Page (1996) Chaetostoma yurubiense (Teleostei: Siluriformes), a new species of Loricariid catfish from the Aroa, Urama, and Yaracuy River Systems in Venezuela. Copeia, 1996(3). p 671-677.|
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|More on Chaetostoma pearsei|
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|Last Update||2016 May 11 14:21 (species record created: 2007 Jul 01 20:02)|