|Cat-eLog Data Sheet|
|Scientific Name||Chaetostoma marginatum Regan, 1904|
|Type Locality||Salidero, northwestern Ecuador [= Near Bulún [Pulún], about 1°05'N, 78°40'W, Rio Bogota, Esmeraldas, Ecuador, elevation 50-110 m].|
|Pronunciation||KATE oh STOW mah|
|Etymology||Greek, chaite = hair + Greek, stoma = mouth.|
|Size||190mm or 7.5" 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.|
|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.|
|Distribution||South America: Bogota, Chimbo and San Juan River basins.
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|Furniture||Well rounded stones stacked to replicate a river bottom and provide caves.|
|Breeding||Has been bred in the aquarium.|
|Breeding Reports||There is no breeding report.|
|Reference||Transactions of the Zoological Society of London v. 17 (pt 3, no. 1), pp 249, Pl. 13 (fig. 1).|
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|More on Chaetostoma marginatum|
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|Last Update||2019 Sep 29 07:35 (species record created: 2007 May 06 14:53)|