A new species of the tridentine Rhinotridens from the Amazon basin (Siluriformes: Trichomycteridae)
Mário de Pinna,
Vinícius Reis,
Murilo N. L. Pastana
et al.
Abstract:A new species of the recently discovered miniature tridentine catfish, Rhinotridens, is described from the Amazon basin in Brazil, Colombia, and Peru. It differs from Rhinotridens chromocaudatus, type-species of the genus, in having the caudal fin mostly hyaline, a rictal barbel vestigial or externally absent, a longer anal fin with 22–29 segmented rays, and numerous other features from the skeleton. An osteological account of the new species is provided based on cleared and stained specimens, and traits of it… Show more
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