Trichomycterus diabolus Bockmann, Casatti, de Pinna 2004

Main Authors: Ota, Renata Rúbia, Deprá, Gabriel de Carvalho, Graça, Weferson Júnio da, Pavanelli, Carla Simone
Format: info publication-taxonomictreatment
Terbitan: , 2018
Subjects:
Online Access: https://zenodo.org/record/3681939
Daftar Isi:
  • Trichomycterus diabolus Bockmann, Casatti, de Pinna, 2004 Fig. 31 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. 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). Distribution. Córrego São Carlos and córrego São Pedro, tributaries of the rio Paranapanema, and rio Iguatemi, tributary of the rio Paraná.
  • Published as part of Ota, Renata Rúbia, Deprá, Gabriel de Carvalho, Graça, Weferson Júnio da & Pavanelli, Carla Simone, 2018, Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated, pp. 1-111 in Neotropical Ichthyology 16 (2) on page 89, DOI: 10.1590/1982-0224-20170094, http://zenodo.org/record/3678395