Results 31 to 40 of about 644 (142)

Feeding ecology of Rivulus luelingi (Aplocheiloidei: Rivulidae) in a Coastal Atlantic Rainforest stream, southern Brazil

Neotropical Ichthyology
Feeding habits of the killifish Rivulus luelingi collected in a black water stream of the Coastal Atlantic Rainforest in southern Brazil were investigated. Eight samplings were made between April 2003 and January 2004.
Vinícius Abilhoa, Jean Ricardo Simões Vitule, Hugo Bornatowski   +2 more
doaj   +1 more source

Ictiofauna del golfo de Ana María, Cuba

Revista de Investigaciones Marinas, 2023
En el período comprendido entre 2010 y 2012 se realizaron inventarios de la ictiofauna en el golfo de Ana María, en la región suroriental de Cuba. Este trabajo presenta el primer inventario de la ictiofauna en esta región del archipiélago cubano.
Fabián Pina-Amargós, Héctor Salvat Torres, Jorge A. Angulo Valdés, Yureidi Cabrera Páez, Erik García- Machado   +4 more
doaj  

Assembleias de peixes associadas aos bancos de macrófitas aquáticas em lagos manejados da Amazônia Central, Amazonas, Brasil [PDF]

Acta Amazonica, 2014
O co-manejo dos recursos pesqueiros que vem sendo desenvolvido pelos ribeirinhos da Amazônia têm a preocupação de assegurar ambientes adequados para a conservação dos estoques. Esta estratégia de co-manejo é baseada em regras de acesso e uso dos recursos
Maria Gercilia Mota Soares, Carlos Edwar Carvalho Freitas, Ana Cristina Belarmino de Oliveira   +2 more
doaj   +1 more source

Study approach and step by step development of a fish-based multimetric index for reservoirs: a case study presentation from a neotropical cascade system

Acta Limnologica Brasiliensia, 2018
Aim The present paper approached some issues related to the construction and adaptation of the Reservoir Fish Assemblage Index (RFAI). Method the case study presents the step by step construction of the multimetric index adopted for the Tietê cascade ...
Maria Letizia Petesse
doaj   +1 more source

Manobras operacionais para mitigar o confinamento da ictiofauna no tubo de sucção

Cadernos Cajuína
O presente estudo investigou a efetividade de uma manobra operativa destinada a mitigar a movimentação da ictiofauna no desemboque do tubo de sucção. A manobra consiste em manter as unidades geradoras (UGs) adjacentes em funcionamento durante paradas ...
Miguel Vieira de Melo Neto, Luiz Fernando dos Santos, Túlio Ribeiral Pereira, Claudiano do Amaral Souza, Caio Prior Rocha, Luiz Fabrício Zara   +5 more
doaj   +1 more source

Os peixes da Floresta Nacional de Caxiuanã (municípios de Melgaço e Portel, Pará - Brasil)

Boletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2008
Com o objetivo de inventariar as espécies de peixes dos sistemas hídricos da Floresta Nacional (FLONA) de Caxiuanã (Melgaço/Portel, PA), foram realizadas coletas entre os anos de 1999 e 2004, abrangendo o maior número de ambientes distinguíveis com ...
Luciano Fogaça de Assis Montag, Tiago Magalhães da Silva Freitas, Wolmar Benjamin Wosiacki, Ronaldo Borges Barthem   +3 more
doaj   +1 more source

Fish distribution across altitudinal gradients in the Upper Paraguay River Basin: Implications for conservation in the Pantanal region

Conservation Science and Practice, Volume 7, Issue 7, July 2025.
This paper approaches the patterns in fish distribution across the altitudinal gradient in the Upper Paraguay River basin, from uplands to the floodplain. We compiled more than 75,000 available fish records and registered 342 fish species and your distribution along altitudinal gradient. Floodplain portion have higher species diversity than headwaters,
Adriana Maria Espinoza Fernando, Francisco Severo‐Neto, Fabiane Silva Ferreira, Lúcia Mateus, Karina K. Tondato‐Carvalho, Elaine Antoniassi Luiz Kashiwaqui, Heriberto Gimenes Junior, Wladimir M. Domingues, Carla Simone Pavanelli, Henrique Ledo Lopes Pinho, Jerry Penha, Yzel Rondon Súarez   +11 more
wiley   +1 more source

Ictiofauna do Rio Guaporé e áreas adjacentes [PDF]

Pubvet, 2015
Number of species in freshwater ecosystems Brazilian is still uncertain. Given this, it is presented a study on the diversity of fish species found in Rio Guapore and adjacent areas. The experiment was conducted in April and May 2011, in the Vale of Guapore, Mato Grosso. Were demarcated two collection points: Point 1 (Rio Guapore) and point 2 (Adjacent
Marcos Antonio de Oliveira, Angela Emi Takamura, Raquel Gonçalves Barbosa, Amorésio Souza Silva Filho, Fabricio Eugênio Araujo, Nelson Antunes de Moura, Claudio Jonasson Mousquer, Geferson Antonio Fernandes   +7 more
openaire   +1 more source

Spatial and temporal variation of fish assemblage associated with aquatic macrophyte patches in the littoral zone of the Ayapel Swamp Complex, Colombia

Acta Limnologica Brasiliensia, 2017
: Aim The purpose of the present study was to examine spatial and temporal variation in fish assemblage structure associated with aquatic macrophytes in the littoral zone of the ASC. Methods Specimens were caught between January 2008 and February 2009,
Carlos Mario Marín Avendaño, Néstor Jaime Aguirre Ramírez   +1 more
doaj   +1 more source

Ictiofauna continental onubense

, 2022
Los peces continentales son los vertebrados más diversos y los más amenazados. El conocimiento de sus patrones de distribución y de su estatus se hace imprescindible en la medida en que se aceleran los cambios ambientales que los están llevando a la extinción.
openaire   +2 more sources