Results 81 to 90 of about 569 (162)

Ergasilus turkayi n. sp. (Copepoda, Cyclopoida, Ergasilidae): a gill parasite of Serrasalmus hollandi Jégu, 2003 (Characiformes, Serrasalmidae) from the Paragua River, Bolivia

Nauplius
A new parasitic copepod species, Ergasilus turkayi n. sp., found on the gills of the Holland’s piranha, Serrasalmus hollandi Jégu, 2003, in the Paragua River, Bolivia, is described based on 10 adult females.
Taísa M. Marques, Luan Clebsh, Leslie Córdova, Walter A. Boeger   +3 more
doaj   +1 more source

Fish ladders: safe fish passage or hotspot for predation?

Neotropical Ichthyology
Fish ladders are a strategy for conserving biodiversity, as they can provide connectivity between fragmented habitats and reduce predation on shoals that accumulate immediately below dams.
Angelo Antonio Agostinho, Carlos Sergio Agostinho, Fernando Mayer Pelicice, Elineide Eugênio Marques   +3 more
doaj   +1 more source

Chromosomal characterization of three species of Serrasalmini (Serrasalmidae: Characiformes). [PDF]

Genet Mol Biol, 2023
Santos AGD, Souza JFSE, Soares SC, Nakayama CM, Feldberg E.   +4 more
europepmc   +1 more source

Parasitism by argulids (Crustacea: Branchiura) in piranhas (Osteichthyes: Serrasalmidae) captured in the Caiçara bays, upper Paraguay River, Pantanal, Mato Grosso state, Brazil

Neotropical Ichthyology, 2012
In this study, 446 fishes were analyzed: 190 Pygocentrus nattereri, 193 Serrasalmus maculatus, and 63 S. marginatus.They were captured in two bays, upper and lower Caiçara, in the upper Paraguay River basin, during one hydrological cycle from May 2008 to
Márcio Fontana, Ricardo Massato Takemoto, José Celso de Oliveira Malta, Lúcia Aparecida de Fátima Mateus   +3 more
doaj  

PESCA SELETIVA DA PIRAMBETA, Serrasalmus spilopleura KNER, 1859 ( PISCES, CYPRINIFORMES ) , COM A UTILIZAÇÃO DE REDES DE EMALHAR

Boletim do Instituto de Pesca, 2018
No presente trabalho foram determinadas a curva de seletividade em redes de emalhar utilizadas na captura da pirambeba, Serrasalmus spilopleura, e a relação entre os comprimentos médio, mí­­nimo e máximo dos indiví­­duos capturados e o tamanho das ...
Jair Duarte RODRIGUES, Arlete MOTA, Manoel Nino de MORAES, Elmar Cardozo CAMPOS   +3 more
doaj  

Efeito da maturação gonadal sobre a energia dos músculos de duas espécies de piranhas do reservatório do rio Manso, Estado de Mato Grosso = Gonadal maturation effect on muscular energy in two species of piranhas (Serrasalmus marginatus and S. maculatus) from rio Manso reservoir, Mato Grosso State

Acta Scientiarum: Biological Sciences, 2006
Com o intuito de investigar a alocação de energia e a correlação entre esta e o fator de condição (K) de duas espécies de piranhas, Serrasalmus marginatus e S.
Marília Hauser dos Santos, Evanilde Benedito, Wladimir Marques Domingues   +2 more
doaj  

Alimentação de Serrasalmus maculatus (Kner, 1858) (Characiformes; Serrasalmidae) no trecho inferior bacia do rio Sorocaba, São Paulo, Brasil = Feeding of Serrasalmus maculatus (Kner, 1858) (Characiformes; Serrasalmidae) in the Sorocaba river, São Paulo State, Brazil

Acta Scientiarum: Biological Sciences, 2008
Com o objetivo de investigar a alimentação de Serrasalmus maculatus foram coletados 107 indivíduos com a utilização de redes de emalhar de malhas entre 3 a 8 cm entre nós opostos, totalizando 100 m.
Gilberto Aparecido Villares Junior, Leandro Muller Gomiero, Roberto Goitein   +2 more
doaj  

Sebekia sp. (Eupentastomida, Sebekidae) in Pygocentrus piraya (Actinopterygii: Serrasalmidae) from marginal lagoons of the middle São Francisco River basin, Brazil. [PDF]

Rev Bras Parasitol Vet, 2022
Duarte R, Santos-Clapp MDD, Brasil-Sato MC.   +2 more
europepmc   +1 more source

Biomechanics, muscle modeling, and the elevated bite force and tooth stress of piranhas. [PDF]

Naturwissenschaften
Huskey S, Fletcher K, Kolmann M, Seiler S, Kitchen G, Hemraj-Naraine D, Dinan B, Westneat MW.   +7 more
europepmc   +1 more source

Mercury contamination and human exposure through inland fishery and aquaculture products in Northeastern Brazil. [PDF]

Environ Monit Assess
de Lacerda LD, Bezerra MF.
europepmc   +1 more source