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  • Chaetostoma paucispinis
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Scientific Name Chaetostoma paucispinis    Regan, 1912
Common Name
Type Locality Tado, Río San Juan, Chocó Dept., southwestern Colombia.
Synonym(s) Chaetostomus paucispinis
Pronunciation KATE oh STOW mah
Etymology Greek, chaite = hair + Greek, stoma = mouth. 
Hop to next section Species Information
Size 90mm or 3.5" 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.
Hop to next section Habitat Information
Distribution South America: San Juan River basin in Colombia.
Hop to next section Husbandry Information
Furniture Well rounded stones stacked to replicate a river bottom and provide caves.
Breeding Spawns in shallow, fast flowing water on the underneath of a flat object. Male, upside down, guards an adhesive clutch of eggs by covering it with his body.
Breeding Reports There is no breeding report.
Hop to next section Further Information
Reference Proceedings of the Zoological Society of London 1912 (pt 3) (art. 36), pp 667, Pl. 75 (fig. 2).
Registered Keepers There is no registered keeper.
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ARN ref:1.4.26.6542
Last Update 2025 Jan 01 12:02 (species record created: 2015 Nov 05 15:16)