Cat-eLog Right Pseudopimelodidae Right The genus Rhyacoglanis

Down Summary of rhyacoglanis
Etymology Rhyacoglanis, from the Greek rhyax = torrent + glanis = catfish; indicating a catfish inhabiting running waters in reference to the habitat of the genus. Gender masculine.
Identification Rhyacoglanis is distinguished from other Pseudopimelodidae by three synapomorphies: presence of a light blotch on the cheek; a connection between the middle of the dark caudal-fin stripe and the dark caudal-peduncle pigmentation; and 30-35 total vertebrae. A key to the species is located HERE.
Furniture See general remarks. Rhyacoglanis likely prefer well-aerated water with significant current over a substrate of rocks, pebbles and sand.
Breeding Unreported.
Size Smallest 38mm, largest 89mm, average 63mm, most commonly 83mm. All SL.
Species There are 12 "species" in the database
Keepers 5 species (41%) are being kept by registered keepers
New spp. / time
1750 1770 1790 1810 1830 1850 1870 1890 1910 1930 1950 1970 1990 2010 
Distribution

Log in to view data on a map.
Down Most Kept Species
1. Rhyacoglanis sp. `UPPER RIO XINGU` (20%)
2.
Rhyacoglanis sp. `ARAGUAIA`Rhyacoglanis sp. `ARAGUAIA`
(20%)
3.
Rhyacoglanis variiRhyacoglanis varii
(20%)
4.
Rhyacoglanis seminigerRhyacoglanis seminiger
(20%)
5.
Rhyacoglanis annulatusRhyacoglanis annulatus
(20%)
Down Genus Thumbnails