A revision of fish specimens previously identified as Heptapterus mustelinus from the endorheic Río Salí Basin, Tucumán, Argentina, reveals that they present several morphological differences from that species. This paper describes Heptapterus qenqo sp. nov. from the Río Salí Basin. The new species is diagnosed by a combination of the following characters: presence of small serrae on the anterior proximal margin of the first pectoral-fin ray; anal-fin rays iv-v, 11-13 (15-17 total anal-fin rays); adipose-fin base 40·9-47·4% standard length; small eyes (7·4-14·2% head length); adipose-fin confluent to caudal fin and maxillary barbel not reaching pectoral-fin base in adults, and reaching or scarcely surpassing the first pectoral-fin ray in sm...
Silvinichthys huachi new species, is described from a stream along the lower slope of the Andean Cor...
Fig. 5. Trans-Andean species of Imparfinis and I. pseudonemacheir from Venezuelan Orinoco basin. Sca...
The heretofore little-known pimelodid species Hypophthalmus oremaculatus Nani and Fuster, 1947, from...
In this paper we describe Heptapterus mandimbusu sp. n., a new species of heptapterid catfish from a...
Aguilera, Gastón, Benitez, Mauricio, Terán, Guillermo Enrique, Alonso, Felipe, Mirande, Juan Marcos ...
A new diagnosis and a new classification of Heptapterus are provided and a new species, H. carmelita...
Imparfinis mishky sp. n. is described from the río Paraná and río Uruguay basins in Argentina. Impar...
As populações de Heptapterus mustelinus do rio Uruguai, sistema da Laguna dos Patos e os rios dos si...
FIGURE 1. Heptapterus mandimbusu sp. n., holotype CI-FML 7238, 134.2 mm SL, from Melo Stream, Nov 13...
Rhamdella cainguae, a new species of the family Heptapteridae is described from the Arroyo Cuña-Pirú...
FIGURE 2. Coloration pattern from two paratypes A. CI-FML 7239. 105. 2 mm SL. B: LGEP 529. 107.4 mm ...
Fig. 1. Imparfinis timana, holotype, IAvH-P 10696, 74.2 mm SL, Colombia, Huila, Palestina, río Guara...
A new species of Gladioglanis is described from a single locality on rio Aripuanã, rio Madeira basin...
Silva, Gabriel S. C., Reia, Lais, Morimoto, César K., Benine, Ricardo C., Oliveira, Claudio (2023): ...
Silvinichthys gualcamayo, new species, is described from a stream at 2000 m elevation in the lower s...
Silvinichthys huachi new species, is described from a stream along the lower slope of the Andean Cor...
Fig. 5. Trans-Andean species of Imparfinis and I. pseudonemacheir from Venezuelan Orinoco basin. Sca...
The heretofore little-known pimelodid species Hypophthalmus oremaculatus Nani and Fuster, 1947, from...
In this paper we describe Heptapterus mandimbusu sp. n., a new species of heptapterid catfish from a...
Aguilera, Gastón, Benitez, Mauricio, Terán, Guillermo Enrique, Alonso, Felipe, Mirande, Juan Marcos ...
A new diagnosis and a new classification of Heptapterus are provided and a new species, H. carmelita...
Imparfinis mishky sp. n. is described from the río Paraná and río Uruguay basins in Argentina. Impar...
As populações de Heptapterus mustelinus do rio Uruguai, sistema da Laguna dos Patos e os rios dos si...
FIGURE 1. Heptapterus mandimbusu sp. n., holotype CI-FML 7238, 134.2 mm SL, from Melo Stream, Nov 13...
Rhamdella cainguae, a new species of the family Heptapteridae is described from the Arroyo Cuña-Pirú...
FIGURE 2. Coloration pattern from two paratypes A. CI-FML 7239. 105. 2 mm SL. B: LGEP 529. 107.4 mm ...
Fig. 1. Imparfinis timana, holotype, IAvH-P 10696, 74.2 mm SL, Colombia, Huila, Palestina, río Guara...
A new species of Gladioglanis is described from a single locality on rio Aripuanã, rio Madeira basin...
Silva, Gabriel S. C., Reia, Lais, Morimoto, César K., Benine, Ricardo C., Oliveira, Claudio (2023): ...
Silvinichthys gualcamayo, new species, is described from a stream at 2000 m elevation in the lower s...
Silvinichthys huachi new species, is described from a stream along the lower slope of the Andean Cor...
Fig. 5. Trans-Andean species of Imparfinis and I. pseudonemacheir from Venezuelan Orinoco basin. Sca...
The heretofore little-known pimelodid species Hypophthalmus oremaculatus Nani and Fuster, 1947, from...