Новый вид рода «водяных волков» — креницихл (Crenicichla), семейство цихлид (Cichlidae), обнаруженный в бассейне реки rio Iguazu, в Аргентине, получил название Crenicichla tesay.
Abstract
Crenicichla tesay sp. n. differs from its congeners by the following combination of characters: posterior border of preopercle serrated, 48-59 scales on E1 row, snout length 2.6-2.8 times in head length, presence of conspicuous suborbital stripe, flanks with 4 to 6 blotches below the upper lateral line, posteriormost blotch extending on caudal peduncle. Colour pattern with numerous irregularly scattered dots, and absence of vertical stripes on flanks.
Casciotta, J. и Almiron, A. в Revue Suisse de Zoologie, 115 (4) [2008]: 651–659.