Trichomycterus diabolus

discussion

Remarks: Valid as Cambeva diabola (Bockmann, Casatti & de Pinna 2004) (see Katz et al., 2018).

Catalog of type specimens of the fish collection of the Núcleo de Pesquisas em Limnologia, Ictiologia e Aquicultura (NUP), Universidade Estadual de Maringá Paraná, Brazil

biology_ecology

Biological data. Rheophilic species, occurring in the riffles areas of the streams (Bockmann et al., 2004). Feeds on aquatic insects in the dry season and on fish scales or fin rays in the wet season; first gonadal maturation size 37.7 mm SL in females and 31.8 mm SL in males (Casatti, 2003).

Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated

description

Body cylindric anteriorly, compressed posteriorly; greatest depth contained 5.8 to 8.5 times in SL, head length 3.9 to 4.5 and predorsal distance 1.5 to 1.6 in SL; snout length 5.3 to 9.1, horizontal orbital diameter 3.2 and least interorbital width 4.0 to 5.1 in HL. Mouth terminal; premaxilla and dentary with several rows of conical teeth. Dorsal fin with 9 or 10, pectoral fin with 6, pelvic fin with 5 and anal fin with 8 rays. Ground color yellow to pale brown; dark-brown blotches over whole body. Caudal fin pale brown, mostly hyaline, with dark-brown transverse bar close to its distal margin Maximum standard length. 54.0 mm.

Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated

distribution

Distribution. Córrego São Carlos and córrego São Pedro, tributaries of the rio Paranapanema, and rio Iguatemi, tributary of the rio Paraná.

Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated