Results 71 to 80 of about 1,507 (201)

Diet and dietary overlap of three sympatric fish species in lakes of the upper Paraná River floodplain

Brazilian Archives of Biology and Technology, 1999
For a dietary study, specimens of Astyanax bimaculatus, Astyanax schubarti, and Moenkhausia intermedia were caught monthly with seines-nets in six lakes (Pau Veio, Porto Rico, Três Amigos, Mutum, Pontal, and Canal do Meio), on the floodplain of the Upper
Karla Danielle Gaspar da Luz, Edson Kiyoshi Okada   +1 more
doaj   +1 more source

Diversidad y relaciones ecomorfol?gicas de la comunidad ?ctica del complejo de humedales de paz de ariporo hato corozal, Casanare [PDF]

, 2018
122 p. Recurso Electr?nicoLas sabanas inundables de la cuenca del r?o Orinoco se caracterizan por tener una alta diversidad ecosist?mica, heterogeneidad estructural y funcional, contribuyendo a la conformaci?n de diferentes tipos humedales tanto l ...
Bedoya Giraldo, Daniela, Ospina Ospina, Juan Sebasti?n   +1 more
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Fresh vs. Preserved Specimens: Length‐Weight Relationships of Fishes from the Western Amazon (Napo Basin, Ecuador)

Journal of Applied Ichthyology, Volume 2024, Issue 1, 2024.
Length‐weight relationship (LWR) studies are important for fish taxonomical analysis, ecological assessments, management, and conservation practices. Although LWR studies can use measurements of either fresh or preserved specimens, few studies have directly compared these methods. This study analyzed the effect of preservation on LWR of ten small‐sized
Karla S. Barragán, Junior Chuctaya, Daniel Escobar-Camacho, José Vieira, Andrea C. Encalada, Pragyan Dash   +5 more
wiley   +1 more source

Functional trophic composition of the ichthyofauna of forest streams in eastern Brazilian Amazon. [PDF]

, 2015
Este estudo teve como objetivo descrever a organização funcional da fauna de peixes de riachos do nordeste do estado do Pará, Brasil, com base em observações comportamentais das táticas alimentares das espécies. Sete igarapés foram amostrados entre junho
BREJÃO, G. L., GERHARD, P., ZUANON, J.
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First study on parasites of Hemibrycon surinamensis (Characidae), a host from the eastern Amazon region. [PDF]

, 2019
This study was the first investigation of communities and infracommunities of parasites of Hemibrycon surinamensis. All the fish collected in a tributary of the Amazon river were parasitized by one or more parasite species. The Brillouin diversity index (
DIAS, M. T., HOSHINO, E. M., HOSHINO, M. D. F. G.   +2 more
core   +1 more source

New species of Moenkhausia Eigenmann, 1903 (Characiformes: Characidae) with comments on the Moenkhausia oligolepis species complex

Neotropical Ichthyology
A new species of Moenkhausia is described from tributaries of the rio Paraguay, Brazil. The new species is diagnosed from congeners by characters related to body coloration, the number of lateral line scales, the degree of poring of the lateral line, and
Ricardo C. Benine, Tatiane C. Mariguela, Claudio Oliveira   +2 more
doaj   +1 more source

Exchange flow between open water and floating vegetation [PDF]

, 2010
This study describes the exchange flow between a region with open water and a region with a partial-depth porous obstruction, which represents the thermally-driven exchange that occurs between open water and floating vegetation.
A Lightbody, A Padial, C Adams, C Lovstedt, D Barr, D Plew, E Adams, FM White, G Jirka, G Ultsch, Heidi M. Nepf, J Shin, JE Simpson, M Coates, M Coates, M Mariana, N Azza, R Hill, T Benjamin, X Zhang, X Zhang, Xueyan Zhang, Y Mazda, Y Tanino, Y Tanino   +24 more
core   +1 more source

Redescription of Moenkhausia doceana(Steindachner, 1877) (Ostariophysi: Characiformes): a characid from the Northeastern Mata Atlântica ecoregion, Brazil

Neotropical Ichthyology
Moenkhausia doceana is redescribed from the Northeastern Mata Atlântica ecoregion drainages in Espírito Santo, Minas Gerais, and Bahia states. The species is distinguished from its congeners by a long anal fin, with 29-34 (mode 32) branched rays; 4-7 ...
Fernando R. Carvalho, Luisa M. Sarmento-Soares, Ronaldo F. Martins-Pinheiro   +2 more
doaj   +1 more source

Ichthyofauna (Osteichthyes, Actinopterygii) from tributaries of the Beni and Mamoré rivers in the Llanos de Moxos wetland of the Bolivian Amazon [PDF]

Check List
We conducted ichthyological surveys in the Biata, Geneshuaya, Benicito, and Yata Rivers, as well as Dos Naciones Lagoon. We recorded 182 species, including new records for Bolivia, such as Jupiaba citrina Zanata & Ohara, 2009, Moenkhausia ...
Takayuki Yunoki, Aldo R. Echeverria, Reinaldo B. Cholima, Guido Miranda Ch., Federico A. Moreno   +4 more
doaj   +3 more sources

Zoologia Marinha [PDF]

, 2018
XXXII Congresso Brasileiro de Zoologia, Foz do Iguaçu, 2018. Tema: Desafios e perspectivas para a Zoologia na América LatinaCaderno de Resumos de Trabalhos da Área temática Zoologia Marinha, do XXXII Congresso Brasileiro de ZoologiaSociedade Brasileira ...

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