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Aposturisoma Isbruecker , Britski, Nijssen & Ortega, 1983
Publication Data, Additional Information (status, external links, etc)
treatment citation 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: 27
publication ID z01462p001
link to original citation http://www.zoobank.org/urn:lsid:zoobank.org:pub:D1F13841-BD7B-4D00-B57D-9CBEC187B83C
treatment provided by Thomas
persistent identifier http://treatment.plazi.org/id/BF3BCCC0-A0D7-4A3D-DA2B-D2EE8289AA4C
additional text versions Plain XML   TaxonX
scientific name Aposturisoma Isbruecker , Britski, Nijssen & Ortega, 1983  
external databases ZBK
distribution map  

Aposturisoma Isbruecker, Britski, Nijssen & Ortega, 1983 ZBK .

Type species: Aposturisoma myriodon Isbruecker, Britski, Nijssen & Ortega, 1983 ZBK .

Holotype: MZUSP 15328, Peru, Ucayali Department, Coronel Portillo Province, Rio Aguaytia drainage, Rio Huacamayo at Tingo Maria .

Gender: neuter.

This monotypic genus is only known from its type locality and few data are presently available. This is a rheophilic species that has been collected with representatives of the genus Chaetostoma ZBK ( Isbrücker et al. 1983). Evers & Seidel (2005) described the habitat of Aposturisoma myriodon ZBK as clear, with swift current and shallow waters. They noticed that Aposturisoma ZBK frequentes areas with rubble substrates in this biotope. Its morphology is similar to that of Farlowella ZBK , to which it is closely related because of the numerous predorsal plates and the origin of the dorsal fin in front of the origin of the anal fin. Nevertheless it has a larger mouth, a much deeper and wider body and a much thicker caudal peduncle which can be interpreted as an adaptation to stream habitat, as this kind of adaptations is also found in rheophilic fishes of the genus Chaetostoma ZBK , rather than an intermediary between Farlowella ZBK and Sturisoma as supposed by Isbrücker et al. (1983), these two genera not being particularly rheophilic.

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