Cat-eLog Right Arrow Trichomycteridae Right Arrow Tridentinae Right Arrow Potamoglanis

Down arrow Cat-eLog Data Sheet
Scientific Name Potamoglanis hasemani  (Eigenmann, 1914)
Common Name
Type Locality Santarém, Pará State, Brazil.
Synonym(s) Pygidium hasemani, Trichomycterus hasemani
Etymology From the Greek potamo (river; the gods of rivers in the Greek mythology) and glanis (catfish). Gender masculine. 
Down arrow Species Information
Size 18mm or 0.7" SL. Find near, nearer or same sized spp.
Identification The genus Potamoglanis is a group of miniaturized Trichomycterinae, diagnosed by the following traits: angle of 35–40° between the main longitudinal axis of the head and the main axis of the autopalatine; thin tubular shape of the second ceratobranchial; presence of six or seven anal-fin rays; eyes dorsally placed on head; opercular and interopercular odontodes patches not juxtaposed; absence of a distal process on the hyomandibula; and presence of a long process on the anterior region of the hyomandibula. Potamoglanis is similar to the Tridentinae genera by the presence of a wide cranial fontanelle; presence of a short ventral process in the opercular bone and by the origin of the dorsal fin placed in a vertical through the anal-fin origin.
Down arrow Habitat Information
Distribution South America: Amazon River basin.
Amazon, Middle Amazon (Solimoes), Negro, Lower Negro, Branco (Roraima), Cauame (click on these areas to find other species found there)
Amazon, Lower Amazon (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 In nature, found among aquatic plants roots.
Breeding Reports There is no breeding report.
Down arrow Further Information
Reference Indiana University Studies No. 20, pp 48.
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Last Update 2020 Dec 24 09:17 (species record created: 2017 Jan 30 20:41)