Cat-eLog Right Loricariidae Right Rhinotocinclus

Down Cat-eLog Data Sheet
Scientific Name Rhinotocinclus hardmani  (Lehmann A., Lujan & Reis, 2022)
Common Name
Type Locality Kuribong River at Grass Shoals Rapids, Potaro-Siparuni, Guyana, 5°28'44.7"N, 59°31'54.4"W.
Synonym(s) Parotocinclus hardmani, Rhinotocinclus hardmanii, Rhinotocinclus hardmanni
Etymology Rhinotocinclus is a combination of the Greek Rhinos meaning beak or snout and Otocinclus, a genus of Hypoptopomatinae, in allusion to the conspicuous and elegant snout of most of its species. 
Down Species Information
Identification Rhinotocinclus is diagnosed from all other genera in Hypoptopomatinae by having the canal cheek plate on the ventral surface of the head posteriorly elongated and contacting the cleithrum (vs. canal cheek plate rounded or mesially elongated and not expanded backwards to contact the pectoral girdle).
Sexing Males possess a urogenital papilla immediately behind the anus, and a variably deep skin fold along the first, unbranched pelvic-fin ray (vs. both absent in females). Also, males possess a much larger nostril than females, causing the internarial distance to be smaller in males. The larger size of the olfactory organ of males also causes an elevation in the snout profile immediately in front of the eyes, which can be easily seen in lateral view. In most species, males also possess longer pelvic fins than females, with the males' pelvic fins reaching or almost reach to the anal-fin origin.
General Remarks Is misspelt R. hardmanni and R. hardmanii in Reis and Lehmann, 2022.
Down Habitat Information
Guyana Waters, Coastal Rivers of Guyanas, Essequibo, Potaro (click on these areas to find other species found there)

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IUCN Red List Category Not Evaluated
Down Husbandry Information
Breeding Reports There is no breeding report.
Down Further Information
Reference Ichthyology & Herpetology v. 110 (no. 1), pp 70, Figs. 1-3A, 5 and movie.
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Last Update 2023 Jan 14 10:49 (species record created: 2022 Feb 09 23:11)