corydoras tukano, a new species of corydoradine catfish from the rio tiquié, upper rio negro basin, brazil (ostariophysi: siluriformes: callichthyidae)

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Abstract
A new Corydoras species from the rio Tiquié, upper rio Negro system, Amazonas, Brazil, is described. This taxon was previously referred to as "Corydoras species 'Asher'", "Corydoras cf. reynoldsi", and "Corydoras aff. reynoldsi" in the aquarist literature. The new taxon can be distinguished from all its congeners, except Corydoras reynoldsi and C. weitzmani, by its color pattern, consisting of three large, dark blotches, the first one ("mask") on the head, across the eye; the second one on the trunk at the level of dorsal fin; and the third one on the trunk at the level of the adipose fin. It can be distinguished from Corydoras reynoldsi mainly by the development of trunk blotches; and from C. weitzmani by the presence of a dusky saddle between the dorsal and adipose fins, the second trunk blotch extending vertically from the adipose-fin base to the anal-fin base, and the presence of four dark stripes in the caudal fin.
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brittoneotropicalcorydoras Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Marcelo R. Britto;Flávio C.T. Lima
Journal landscape and urban planning
Year Year not found
DOI
10.1590/S1679-62252003000200002
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252003000200002&lng=en&tlng=en
Keywords Keywords not found

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