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Article: A New Species of the Neotropical Catfish Genus Trichomycterus (Siluriformes: Trichomycteridae) Representing a New Body Shape for the Family
- Article from:
- Copeia
- Article date:
- June 4, 2008
- Author:
CopyrightCopyright American Society of Ichthyologists and Herpetologists Jun 4, 2008. Provided by ProQuest LLC. (Hide copyright information)
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Trichomycterus crassicaudatus is described as a new species from the Rio Iguaçu basin in southern Brazil. The new species has an exceptionally deep posterior region of the body (caudal peduncle depth 22.8-25.4% SL), resulting in an overall shape which distinguishes it at once from all other members of the Trichomycteridae. The caudal fin of the species is broad-based and forked, a shape also distinguishing it from all other species in the family. A number of autapomorphic modifications of T. crassicaudatus are associated with the deepening of the caudal region, including an elongation of the hemal and neural spines of the vertebrae at the middle of the caudal peduncle. Phylogenetic ...
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Article: A New Species of Minute Noblella (Anura: ...
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...We describe a new species of Noblella from the upper Cosipata ... most distinctive character of the new species is its diminutive size (maximum ... n = 7) in adult specimens, the new species is the smallest Andean frog, and ...
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