Results 1 to 10 of about 2,502 (186)
Archolaemus janeae (Gymnotiformes, Teleostei): First insights into karyotype and repetitive DNA distribution in two populations of the Amazon. [PDF]
Ecol Evol, 2021 Abstract Archolaemus, one of the five genera of Neotropical freshwater fish of the family Sternopygidae (Gymnotiformes), was long considered a monotypic genus represented by Archolaemus blax. Currently, it consists of six species, most of them occurring in the Amazon region. There are no cytogenetic data for species of this genus. In the present study,
Rodrigues PP +6 more
europepmc +2 more sources
First record of winter pregnant males of two pipefish species in a Mediterranean coastal lagoon. [PDF]
J Fish BiolAbstract Syngnathus abaster Risso, 1827 and Syngnathus typhle L., 1758 are key components of fish assemblages in European transitional waters, with well‐documented reproductive cycles typically occurring from spring to autumn. However, recent warming trends in the western Mediterranean has raised questions about potential shifts in their breeding ...
Guerrero-Gómez A +7 more
europepmc +2 more sources
DNA barcoding of marine rocky reef fishes from northern Peru suggests a parapatric speciation in the Tropical Eastern Pacific. [PDF]
Ecol EvolUsing a DNA barcoding technique we found evidence that reinforce the hypotheses of how parapatric speciation could drive the origin of new species in the TEP. Abstract Northern Peru marks the end of an extensive coastal marine region: The Panama province, which is characterized by predominantly tropical and equatorial features and is home to the only ...
Zavala E +3 more
europepmc +2 more sources
Leucismo en el pez Lebiasina bimaculata (Characiformes: Lebiasinidae) en Guayas, Ecuador
Biota Colombiana, 2018 El leucismo es una aberración cromática poco frecuente, manifestada por la ausencia total o parcial de melanina en la piel. Este estudio reporta un caso de leucismo en el pez Lebiasina bimaculata (Characiformes: Lebiasinidae), en el río Chongón, Ecuador.
Fredy Nugra +4 more
doaj +5 more sources
Ecología Austral, 2021 Los ecosistemas de agua dulce están entre los más amenazados por las actividades humanas y el cambio climático, por lo cual es prioritario conservarlos.
Patricia Araya +2 more
doaj +1 more source
Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 33, Issue 11, Page 1229-1244, November 2023., 2023 Abstract Coastal lagoons are key ‘transitional’ aquatic environments for biodiversity conservation. Ecological indicators are useful tools for the management of water resources in the European Union. Among different biological communities, fish are a very sensitive tool to assess environmental integrity.
David Almeida +6 more
wiley +1 more source
Scientia Marina, 2002 Age, growth and longevity of gray triggerfish Balistes capriscus from the coast near São Paulo were estimated from first dorsal spine sections of 1,800 fish.
Roberto Ávila Bernardes
doaj +1 more source
Acta Biológica Colombiana, 2021 Colombia, país localizado al norte de Suramérica, afronta diferentes conflictos socioambientales y es uno de los más contaminados por mercurio en el mundo, situación que amenaza la riqueza natural y la biodiversidad del neotrópico, reconocida por sus ...
Mary Luz Pedraza +1 more
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Novos Cadernos NAEA, 2023 Diante da importância do Pirarucu (Arapaima spp.) para as comunidades ribeirinhas da Amazônia, o objetivo deste estudo é o de analisar o conhecimento biológico sobre a espécie em áreas com e sem manejo pesqueiro, e como esse conhecimento influencia na ...
Tatiane Almeida Lemos +2 more
doaj +1 more source
Boletim do Instituto de Pesca, 2018 Embora redes-de-arrasto-de-praia (picarés) e tarrafas sejam amplamente utilizadas para amostragem de peixes em habitats marginais costeiros, ainda não há uma comparação entre tais petrechos para a determinação da estrutura da ictiofauna de planícies ...
Ríguel Feltrin CONTENTE +1 more
doaj +1 more source