Affiliation:
1. Auburn University, USA
2. Florida Museum of Natural History, USA
Abstract
Pterygoplichthys punctatus and P. weberi, new species, are unique among hypostomines in having a medially divided buccal papilla. The two species can be separated from one another by color (small spots in P. punctatus, large in P. weberi), condition of the buccal papilla (deeply divided at all ages in P. punctatus vs. shallowly divided in adults of P. weberi), condition of the lateral keel odontodes (fairly short and directed posteriorly in P. punctatus vs. large and directed almost laterally in P. weberi), and body width (SL/cleithral width 3.6-4.0 in P. punctatus vs. 3.3-3.4 in P. weberi). Pterygoplichthys punctatus is known from the rio Madeira drainage and the rio Urubu of Brazil and has published, but unconfirmed localities in the rio Purus and rio Tocantins basin, and P. weberi is known from the Río Marañon, Río Ucayali, and upper Río Amazonas drainages of Colombia, Ecuador, and Peru.
Subject
Aquatic Science,Animal Science and Zoology,Ecology, Evolution, Behavior and Systematics
Reference10 articles.
1. Modifications of the digestive tract for holding air in loricariid and scoloplacid catfishes;Armbruster J. W.;Copeia,1998
2. The species of the Hypostomus cochliodon group (Siluriformes: Loricariidae);Armbruster J. W.;Zootaxa,2003
3. Phylogenetic relationships of the suckermouth armored catfishes (Loricariidae) with emphasis on the Hypostominae and the Ancistrinae;Armbruster J. W.;Zoological Journal of the Linnean Society,2004
4. Redescription of Aphanotorulus (Teleostei: Loricariidae) with description of one new species, A. ammophilus, from the Río Orinoco basin;Armbruster J. W.;Copeia,1996
5. The genus Hypostomus Lacépède, 1803, and its Surinam representatives (Siluriformes, Loricariidae);Boeseman M.;Zoologische Verhandelingen (Leiden),1968
Cited by
73 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献