Results 31 to 40 of about 412 (157)
Ocorrência de dois citotipos em Serrasalmus spilopleura Kner, 1858 (characiformes, serrasalmidae) da região de confluência dos Rios Negro e Solimões, Amazonas, Brasil [PDF]
Descreve-se pela primeira vez o cariótipo de exemplares de S. spilopleura da Amazônia Central. Todos os indivíduos analisados apresentaram número diplóide igual a 60 cromossomos, em conformidade com os dados da espécie obtidos em indivíduos da bacia do ...
Celeste Mutuko NAKAYAMA +2 more
doaj +1 more source
Hearing capacities and morphology of the auditory system in Serrasalmidae (Teleostei: Otophysi) [PDF]
AbstractLike all otophysan fishes, serrasalmids (piranhas and relatives) possess a Weberian apparatus that improves their hearing capacities. We compared the hearing abilities among eight species of serrasalmids having different life-history traits: herbivorous vs. carnivorous and vocal vs. mute species.
Mélotte, Geoffrey +4 more
openaire +4 more sources
Distribuição sazonal das larvas de Mylossoma aureum e Μ. duriventre (osteichthyes: serrasalmidae) na Costa do Catalão, Rio Amazonas, Amazonas, Brasil [PDF]
A distribuição sazonal das larvas de Mylossoma aureum e M. duriventre (Osteichthyes: Serrasalmidae), foi estudada na costa do Catalão, rio Amazonas durante três anos.
Edinbergh Caldas de OLIVEIRA
doaj +1 more source
Redescription and Geographical Distribution of the Endangered Fish Ossubtus xinguense Jégu 1992 (Characiformes, Serrasalmidae) with Comments on Conservation of the Rheophilic Fauna of the Xingu River. [PDF]
The monotypic species Ossubtus xinguense was originally described based on scarce material putatively divided into juveniles and adults. Ossubtus xinguense has a restricted distribution and was previously known only from a few rapids downstream of the ...
Marcelo C Andrade +4 more
doaj +1 more source
New host records and description of the egg of Anacanthorus penilabiatus (Monogenea, Dactylogyridae)
Anacanthorus penilabiatus is referred parasitizing the type-host Piaractus mesopotamicus (Serrasalmidae) and two new hosts, Colossoma macropomum and C.
MC Pamplona-Basilio, A Kohn, VA Feitosa
doaj +1 more source
We evaluated the growth and body traits of pacu and tambacu hybrid reared in cages and fed through different feeding programmes. Six treatments in a factorial scheme, with two genetic groups (pacu and tambacu) and three feeding programmes, were tested in
Rafael Vilhena Reis Neto +5 more
doaj +1 more source
In the present note Phyllodistomum spatula Odhner, 1902 is recorded for the first time from Brazil and in a New host Colossoma macropomum (Cuvier, 1818) (Pisces, serrasalmidae), and Plyllodistomum spatulaeforme Odhner, 1902 is considered its synonym.Na ...
Berenice M. M. Fernandes
doaj +1 more source
FAMILY Serrasalmidae Colossoma macropomum (Cuvier, 1816); Introduced; Cachama; Introduced to river basins of Central and Southern Luzon Island; Guerrero 2014; NE Piaractus brachypomus (Cuvier, 1818); Introduced; Pirapitinga; Introduced to river basins of Central and Southern Luzon Island; Guerrero 2014; NE Pygocentrus nattereri Kner, 1858; Introduced ...
openaire +2 more sources
Abstract In the Neotropical region, one of the most diverse families of freshwater fishes is the monophyletic Serrasalmidae. Karyotypically, the family shows high diversity in chromosome numbers (2n = 54 to 64). However, little is discussed about whether the chromosomal changes are associated with cladogenetic events within this family.
Uedson Pereira, Jacobina +3 more
openaire +2 more sources
Published as part of Angulo, Arturo, 2021, New records and range extensions to the Costa Rican freshwater fish fauna, with an updated checklist, pp.
openaire +2 more sources

