Results 21 to 30 of about 1,453 (199)

Individual identification of bony fishes using unique body markings: Implications and applications. [PDF]

J Fish Biol
Abstract The natural variation in animal body markings, such as spots, stripes and blotches, offers a powerful tool for researchers, conservationists, citizen scientists and resource managers to distinguish specific individuals within species. By building libraries of photo‐identified individuals, we can track and differentiate individuals over time ...
Dunkley K, Matchette SR, Hau CY, Drerup C, Holmes RB, Sadovy de Mitcheson Y, Herbert-Read JE.   +6 more
europepmc   +2 more sources

Diet-tissue discrimination factors of three neotropical freshwater fishes and a comparison of the trophic position

Journal of Limnology, 2023
The trophic discrimination factor (TDF) is a key parameter for stable isotope analysis and due to a lack of species-specific TDFs, mean universal values have been used, resulting in uncertainties about the trophic position of species and a call for more
Gislaine Iachstel Manetta, Matheus Maximilian Ratz Scoarize, Driele Delanira-Santos, Patrícia Almeida Sacramento, Vinícius de Andrade Urbano, Evanilde Benedito   +5 more
doaj   +1 more source

EVALUACIÓN DEL ESTADO DE POBLACIONES DE BAGRE RAYADO PSEUDOPLATYSTOMA MAGDALENIATUM EN LA CUENCA MEDIA DEL RÍO MAGDALENA DURANTE LA TEMPORADA DE SUBIENDA DEL 2004

Revista de la Academia Colombiana de Ciencias Exactas Físicas y Naturales, 2023
Se llevó a cabo un estudio sobre el bagre rayado Pseudoplatystoma magdaleniatum (Buitrago-Suárez & Burr, 2007) en la cuenca media del río Magdalena, específicamente en los municipios de Honda, La Dorada, Puerto Boyacá, Puerto Berrío y Barrancabermeja ...
Mariangeles Arce Hernández
semanticscholar   +1 more source

Megathylacus travassosi sp. n. e Nomimoscolex sudobim Woodland, 1935 (Cestoda - Proteocephalidea) parasitos de Pseudoplatystoma corruscans (Agassiz, 1829) (Siluriformes - Pimelodidae ) do reservatório de Itaipu e Rio Paraná, PR, Brasil) Megathylacus travassosi sp. n. and Nomimoscolex sudobim Woodland, 1935 (Cestoda - Proteocephalidea) parasites of Pseudoplatystoma corruscans (Agassiz, 1829) (Siluriformes - Pimelodidae) from the Itaipu reservoir and Parana River, Parana State, Brazil

Memorias do Instituto Oswaldo Cruz, 1992
It is described Megathylacus travassosi sp. n., parasite of Pseudoplatystoma corrusccans (Agassiz,1829), a pimelodid fish caught in Itaipu reservoir and Paraná river, Brazil.
Gilberto Cezar Pavanelli, Amilcar Arandas Rego   +1 more
doaj   +1 more source

COMPARISON BETWEEN TWO FEEDING RATES AND THREE FEEDING FREQUENCIES FOR HYBRID SURUBIMS REARED IN CAGES

Revista Caatinga, 2018
This study evaluated the effects of feeding frequency and feeding rate on productive performance of hybrid surubims reared in cages with automatic feeding.
JULIANA SVERSUT DE ALEXANDRE BOGIANI, CECÍLIA SILVA DE CASTRO, EDUARDO MIYAMOTO FUKANOKI KUNII, LUCIANO CAETANO DE OLIVEIRA, CLAUDIO ANGELO AGOSTINHO   +4 more
doaj   +1 more source

Evaluación temporal de la presencia de Dolops discoidalis (Branchiura: Argulidae) sobre Pseudoplatystoma punctifer (Pimelodidae) en Quistococha, Iquitos – Perú

Revista Peruana de Investigación Agropecuaria, 2023
El estudio reporta la presencia de branquiuros parasitando un plantel de 29 reproductores de doncella Pseudoplatystoma punctifer en Quistococha, Perú. Se identificó al parásito detallando sus aspectos morfométricos, calculando sus índices parasitológicos,
Harvey Satalaya-Arellano, L. Rodríguez-Chú, Carlos Alfredo Tuesta-Rojas, Morgan Ruiz-Tafur, G. A. Murrieta-Morey   +4 more
semanticscholar   +1 more source

Evaluation of Different Transition Periods in Feeding Live Feed for Tiger Shovelnose Catfish (Pseudoplatystoma punctifer, Castelnau 1855) Larvae

JURNAL BIOLOGI TROPIS, 2023
The production of tiger shovelnose catfish (TSN) is limited by the very low growth during feeding transition in phase larvae. This research aims to evaluate the difference in feed transition period   from nauplii Artemia sp. to Tubifex sp.
Demas Agatri, A. N. Putra, Mustahal
semanticscholar   +1 more source

Eritrograma de híbridos de surubim (Pseudoplatystoma reticulatum X P. coruscans) mantidos em diferentes densidades de estocagem

Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2012
The blood profile of hybrid fish was studied. Pseudoplatystoma (P. coruscans X P. reticulatum) were submitted to different stocking densities in recirculating water system in two distinct phases of production.
C.R. Labarrère, P.M.C. Faria, E.A. Teixeira, M.M. Melo   +3 more
doaj   +1 more source

Cultura starter em patê de pintado amazônico (Pseudoplatystoma fasciatum x Leiarius marmoratus): Desenvolvimento e determinação do prazo comercial

Research, Society and Development, 2023
O presente estudo teve como objetivo elaborar um patê de pintado amazônico adicionado de cultura starter (Staphylococcus xylosus e Pediococcus pensosaceus), realizar sua caracterização e determinar o prazo comercial e desenvolver um modelo matemático ...
Talitha Maria Porfírio, Iara Oliveira Arruda, Ariane Barbosa Alves, Edgar Nascimento, M. Lanzarin, D. Ritter   +5 more
semanticscholar   +1 more source

Molecular identification of Pseudoplatystoma sp. fish fillets by Multiplex PCR / Identificação molecular de filés de peixe Pseudoplatystoma sp. por PCR-Multiplex

Vigilância Sanitária em Debate: Sociedade, Ciência & Tecnologia, 2014
Nuclear and mitochondrial genes were used as molecular markers for verifying the iden-tity of fish fillets marketed as pintado (Pseudoplatystoma corruscans).
Cátia Maria de Oliveira Lobo, Fábio Porto-Foresti, Fernanda Dotti do Prado, Renata Torrezan, Ângela Aparecida Lemos de Furtado, Carlos Adam Conte Junior, Eliane Teixeira Mársico   +6 more
doaj   +1 more source