Now showing items 1-10 of 135
Data supporting phylogenetic reconstructions of the Neotropical clade Gymnotiformes
Data is presented in support of model-based total evidence (MBTE) phylogenetic reconstructions of the Neotropical clade of Gymnotiformes Model-based total evidence phylogeny of Neotropical electric knifefishes (Teleostei, ...
Evidence of chromosome fusion in Gymnotus sylvius Albert & Fernandes-Matoli, 1999 (Teleostei: Gymnotiformes) detected by telomeric probes and R-banding
(UNIV FLORENCE BOTANY INST, 2010)
Gymnotus cf. carapo and Gynznotus sylvius are two fish species inhabiting the Upper Parana River Basin, presenting respectively 2n =54 and 2n = 40 chromosomes. In the present cytogenetic analysis, R-banding and telomere-sequence ...
Fish fauna of headwater streams that cross the Atlantic forest of South São Paulo state
The fishes of the present study were collected in the headwater streams of the Sorocaba, Paranapanema and Ribeira de Iguape river basins during the dry period in 2010. A total of 2892 fishes, grouped in 53 species, were ...
Spermatic cell characteristics in Gymnotiformes (Teleostei: Ostariophysi) and their phylogenetic meaning
Spermatic characteristics were studied in representatives of the families Rhamphichthyidae, Sternopygidae and Apteronotidae, and compared with pre-existent data from Gymnotidae and Hypopomidae. The spermatic characteristics ...