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Down arrow Cat-eLog Data Sheet
Scientific Name Chaetostoma orientale   
Common Names L413, Maicuru Rubbernose
L416, Xingu Rubbernose, Maicuru-gumminæse (International), Xingu-gumminæse (International)
Pronunciation KATE oh STOW mah
Etymology Greek, chaite = hair + Greek, stoma = mouth. 
Down arrow Species Information
Size 132mm or 5.2" 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 In addition to having larger fan-like pelvic fins and a larger unplated area around the snout, mature males have the second unbranched anal fin ray broader and longer than first unbranched ray. Their second unbranched ray has small but conspicuous spatulate odontodes along anterior surface of free distal portion. Males also develop a skin flap on the dorsal surface of the pelvic-fin leading ray that attaches to the body above the ray insertion, along with development of odontodes erupting from the skin on branched rays 1–3; odontodes are fewer and less developed in females, which also lack the skin flap on the leading ray.
General Remarks Not commercially exported in any great numbers.
Down arrow Habitat Information
Distribution
Amazon, Lower Amazon, Xingu, Lower Xingu, Jaraucu (click on these areas to find other species found there)
Amazon, Lower Amazon, Maicuru (click on these areas to find other species found there)
Amazon, Lower Amazon, Xingu, Lower Xingu (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
Down arrow 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, more or less, covering it with his body.
Breeding Reports There is no breeding report.
Down arrow Further Information
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There is no registered keeper.
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Last Update 2022 Jul 02 01:38 (species record created: 2022 Jun 29 08:54)