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Souza, J.S., Sarmento-Soares, L.M., Canto, A.L.C. & Ribeiro, F.R.V. (3)

Tatia akroa a new species (2020) is known from the upper portion of the Rio Tocantins drainage in Brazil. Colour in alcohol: Colour light brown with dots, formed by chromatophores scattered on the head and mid-dorsal portions of body; sometimes dorsal surface of head and dorsolateral region darker along entire trunk, with more concentrated chromatophores from mid-dorsal region to lateral line. Sides of body with light brown chromatophores, becoming sparse ventrally. Fins almost hyaline; rays mottled with pale brown spots along base. Dorsal fin with a dark spot localized in proximal region. Caudal-fin base with irregular black to brown spots; fin becoming hyaline towards distal margin. Aquarium Care: This small driftwood cat would probably be best kept in the same conditions as other Tatia species and would need a planted tank with the lighting not too bright. Diet: Feeding of frozen bloodworm which they will come out of hiding to feed on, catfish tablets, daphnia, white worm (sparingly) and any other small worm-like foods. Etymology: The specific name is a reference to the Akroá indigenous people, inhabitants of lands from eastern Tocantins to southern Piauí until the XIX century (Apolinário, 2005). The Akroá lived along valleys on Serra Geral do Tocantins, a watershed divide between the right margin of Rio Tocantins and Rio Parnaíba upper valleys respectively. Their territory included the Rio Manuel Alves sub-basin of Rio Tocantins, distribution range of the new Tatia species. A noun in apposition.

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Auchenipteridae

Soth America: Upper Tocantins River basin, Brazil. Type Locality: Rio Perdida and Rio Palma, upper Rio Tocantins drainage, Brazil.

5.0cm. (2ins)

22-25°c (71-77°f.)

6.0-7.0.

Souza SJ, Sarmento-Soares LM, Canto ALC, Ribeiro FRV. Description of a new species of Tatia from rio Tocantins drainage, central Brazil, with notes on Tatia simplex Mees, 1974 (Siluriformes, Auchenipteridae). Neotrop Ichthyol. 2020; 18(1):e190111. https://doi. org/10.1590/1982-0224-2019-0111