Analysis of samples of the auchenipterid catfish genus Tatia collected during a recent ichthyological survey in the Cuyuni River basin in Guyana revealed them to be an undescribed species. Comparative studies associated with the evaluation of that new species demonstrated that a sample of the genus from a right bank tributary of the Río Orinoco in Venezuela, also on the Guiana Shield, represents a second species unknown to science. The placement of Tatia musaica, previously considered incertae sedis in the Centromochlinae, is evaluated and the species is reassigned to Tatia.
Two New Species of the Catfish Genus Tatia (Siluriformes: Auchenipteridae) from the Guiana Shield and a Reevaluation of the Limits of the Genus
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Richard P. Vari, Carl J. Ferraris; Two New Species of the Catfish Genus Tatia (Siluriformes: Auchenipteridae) from the Guiana Shield and a Reevaluation of the Limits of the Genus. Copeia 27 September 2013; 2013 (3): 396–402. doi: https://doi.org/10.1643/CI-12-115
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