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    Two new species of Aguarunichthys from the Amazon basin (Siluroidei : Pimelodidae)

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    Two new species of #Aguarunichthys are described and compared to #A. torosus. #Aguarunichthys tocantinsensis, new specimen of the Tocantins River, differs from #A. torosus by having a larger orbital diameter, overlapping branchiostegal membranes, distance between snout tip and anterior nostrils less than distance between anterior and posterior nostrils and posterior edge of orbital rim. #Aguarunichthys impai$, new species, from the Solimoes River, differs from the other species by having a broader head, smaller eyes and a wider mouth. (Résumé d'auteur

    Two new species of Aguarunichthys from the Amazon basin (Siluroidei : Pimelodidae)

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    Two new species of #Aguarunichthys are described and compared to #A. torosus. #Aguarunichthys tocantinsensis, new specimen of the Tocantins River, differs from #A. torosus by having a larger orbital diameter, overlapping branchiostegal membranes, distance between snout tip and anterior nostrils less than distance between anterior and posterior nostrils and posterior edge of orbital rim. #Aguarunichthys impai$, new species, from the Solimoes River, differs from the other species by having a broader head, smaller eyes and a wider mouth. (Résumé d'auteur
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