Pseudohemiodon Bleeker, 1862

Raphael Covain & Sonia Fisch-Muller, 2007, The genera of the Neotropical armored catfish subfamily Loricariinae (Siluriformes: Loricariidae): a practical key and synopsis., Zootaxa 1462, pp. 1-40 : 34

publication ID

z01462p001

publication LSID

lsid:zoobank.org:pub:D1F13841-BD7B-4D00-B57D-9CBEC187B83C

DOI

https://doi.org/10.5281/zenodo.6236671

persistent identifier

https://treatment.plazi.org/id/3E7A5E42-CF46-8337-6734-C95EE79D8923

treatment provided by

Thomas

scientific name

Pseudohemiodon Bleeker, 1862
status

 

Pseudohemiodon Bleeker, 1862 View in CoL View at ENA   ZBK .

Type species: Hemiodon platycephalus Kner, 1853   ZBK .

Holotype: lost ( Isbrücker 1971), Brazil, Rio Cuiaba .

Gender: masculine.

Pseudohemiodon   ZBK is distributed in the Amazon and Paraná River basins. This genus is also known from the Orinoco system. Like other members of the Pseudohemiodon   ZBK group, Pseudohemiodon   ZBK occurs primarily over sandy substrates. This ecological specialization is reflected by the dramatic dorsoventral compression of the body and pelvic fins that are used mainly for locomotion on sand. Sexual dimorphism is unknown, but like the other genera in this group, Pseudohemiodon   ZBK species are abdomino-lip brooders (pers. obs.). The very large eggs are incubated by the male. Considering their ecological and morphological specialization, representatives of the Pseudohemiodon   ZBK group may represent highly derived Loricariinae . This is in agreement with Rapp Py-Daniel (1997), who found Planiloricariina nested within Loricariini , as sister group of Loricaria   ZBK . Seven species are currently recognized (Ferraris 2003). A partial key to the species is available in Isbrücker (1975).

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