Results 41 to 50 of about 378 (145)

Small fish, large variation: Morphological diversity of Weberian apparatus in Noturus catfishes and ecological implications. [PDF]

open access: yesAnat Rec (Hoboken)
Abstract The Weberian apparatus is a hearing specialization unique to the otophysan fishes, and an unexpected degree of morphological variation exists in species of the Noturus catfishes. Our aim in this study is to investigate relationships between morphological variations and ecology that may drive this variation.
Hoeflich JC, Liu J.
europepmc   +2 more sources

Distribuição sazonal das larvas de Mylossoma aureum e Μ. duriventre (osteichthyes: serrasalmidae) na Costa do Catalão, Rio Amazonas, Amazonas, Brasil [PDF]

open access: yesActa Amazonica, 2000
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

New host records and description of the egg of Anacanthorus penilabiatus (Monogenea, Dactylogyridae)

open access: yesMemorias do Instituto Oswaldo Cruz, 2001
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

Performance of tambacu hybrid (♂Piaractus mesopotamicus x ♀Colossoma macropomum) and its parental pacu (Piaractus mesopotamicus) evaluated in cages under different feeding programmes

open access: yesAquaculture Reports, 2020
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

Mega-Bites: Extreme jaw forces of living and extinct piranhas (Serrasalmidae) [PDF]

open access: yesScientific Reports, 2012
Here, we document in-vivo bite forces recorded from wild piranhas. Integrating this empirical data with allometry, bite simulations, and FEA, we have reconstructed the bite capabilities and potential feeding ecology of the extinct giant Miocene piranha, Megapiranha paranensis. An anterior bite force of 320 N from the black piranha, Serrasalmus rhombeus,
Grubich, Justin R.   +4 more
openaire   +3 more sources

Hearing capacities and morphology of the auditory system in Serrasalmidae (Teleostei: Otophysi) [PDF]

open access: yesScientific Reports, 2018
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

New Host, geographical record and a synonym for Phyllodistomum Spatula Odhner, 1902 (Trematoda, Gorgoderidae)

open access: yesMemorias do Instituto Oswaldo Cruz, 1984
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

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]

open access: yesPLoS ONE, 2016
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

General and specific combining ability in Serrasalmidae

open access: yesAquaculture Research, 2018
This work was carried out to predict the combining abilities, both general and specific, for performance traits and bodily yields of Serrasalmidae. Ninety‐six 30‐day‐old juveniles were purchased from two commercial fish farms, 12 of each of the following eight genetic groups: pacu, pirapitinga, tambaqui, tambacu, tambatinga, patinga, paqui and piraqui.
Adriano Carvalho Costa   +11 more
openaire   +2 more sources

Parámetros productivos del cultivo de cachama blanca Piaractus orinoquensis, en jaulas flotantes

open access: yesRevista U.D.C.A Actualidad & Divulgación Científica, 2021
La región de la Orinoquia, se caracteriza por poseer espejos de agua que se mantienen durante todo el año, aportando peces para consumo local. La pesca artesanal constituye la principal actividad económica de sustento de comunidades ribereñas, quienes ...
Jorge Andrés Cuan-Barrera   +3 more
doaj   +1 more source

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