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Mostrando ítems 31-40 de 264
Fish, Gymnotiformes, Apteronotidae, Apteronotus magdalenensis (Miles, 1945): Distribution extension of an endangered endemic knifefish, in northern Colombia
(Pensoft PublishersGrupo de IctiologíaSao Paulo, Brasil, 2022)
Integração dos estudos cromossômicos e DNA barcoding em Rhamphichthys (Pisces: Gymnotiformes)
(Universidade Federal do ParáBrasilInstituto de Ciências BiológicasUFPAPrograma de Pós-Graduação em Genética e Biologia Molecular, 2017)
Chromosome evolution in fish: sex chromosome variability in Eigenmannia virescens (Gymnotiformes : Sternopygidae)
(Karger, 2002-01-01)
New data are presented on the sex chromosomes of the fish species Eigenmannia virescens (Gymnotiformes, Sternopygidae). A new finding, involving the occurrence of ZZ/ ZW sex chromosomes, is described in specimens sampled ...
Chromosome evolution in fish: sex chromosome variability in Eigenmannia virescens (Gymnotiformes : Sternopygidae)
(Karger, 2002-01-01)
New data are presented on the sex chromosomes of the fish species Eigenmannia virescens (Gymnotiformes, Sternopygidae). A new finding, involving the occurrence of ZZ/ ZW sex chromosomes, is described in specimens sampled ...
Ultrastructure of spermiogenesis and spermatozoa of Gymnotus cf. anguillaris and Brachyhypopomus cf. pinnicaudatus (Teleostei : Gymnotiformes)
(Churchill LivingstoneEdinburghEscócia, 2007)
Cytogenetic characterization of the strongly electric Amazonian eel, Electrophorus electricus (Teleostei, Gymnotiformes), from the Brazilian rivers Amazon and Araguaia
(Sociedade Brasileira de Genética, 2008-01-01)
A karyotype analysis of the electric eel, Electrophorus electricus (Teleostei, Gymnotiformes), a strongly electric fish from northern South America, is presented. Two female specimens were analyzed, one from the Amazon ...