Results 51 to 60 of about 6,073 (197)

Nuevos registros de distribución de Gambusia rhizophorae (Teleostei: Poeciliidae) en el archipiélago cubano

open access: yesNovitates Caribaea, 2015
El complejo de especies Gambusia punctata está representado en Cuba por dos especies: G. punctata Poey, 1854, endémica de Cuba y G. rhizophorae Rivas, 1969, la que ha sido reportada en los cayos de Florida, en el sur Estados Unidos, y la costa norte del ...
Rodet Rodríguez Silva
doaj   +1 more source

Fishes from lakes and tributaries of the Rio Santa Bárbara, Sapucaí‑Mirim/Grande hydrographic basin, São Paulo, Brazil [PDF]

open access: yesCheck List, 2019
Rio Santa Bárbara, a small tributary of the Rio Sapucaí-Mirim, has undergone severe human intervention over the past 80 years. We surveyed the ichthyofauna of this river, some surrounding lakes, and the Rio Potreiro, a tributary ...
Paulo Baltazar Diniz   +6 more
doaj   +3 more sources

Sexual Dimorphism in Fin Size and Shape in Bluefin Killifish

open access: yesEcology and Evolution, Volume 16, Issue 2, February 2026.
This study shows very high levels of sexual dimorphism in dorsal and anal fin traits compared to other fins. Dorsal and anal fin traits are also correlated, such that individuals with large dorsal fins also have large anal fins. Together, this suggests strong sexual selection on these functionally integrated traits.
Kasey Brockelsby   +4 more
wiley   +1 more source

Diversity and Spatiotemporal Distribution of Fish in a Highland Lake in China Based on Environmental DNA Metabarcoding

open access: yesEcology and Evolution, Volume 16, Issue 2, February 2026.
We analyzed water samples from different seasons and locations in Erhai Lake to determine whether eDNA barcoding can effectively show the diversity of fish in such lakes. In the manuscript, we discuss our findings regarding the range of species found, their spatiotemporal distribution, and whether eDNA barcoding gave similar results to traditional ...
Lu Shu   +7 more
wiley   +1 more source

Uso de la técnica de diafanización para el estudio del desarrollo óseo de Poecilia sphenops (Pisces: Cyprinodontiformes)

open access: yesManglar
Los estudios osteológicos en peces generalmente se han centrado en regiones específicas del esqueleto, sin considerar la descripción de todo el organismo, siendo la familia Poeciliidae muy poco estudiada; por el cual el objetivo del presente trabajo fue ...
Josue Emmanuel Rosas Campos   +2 more
doaj   +1 more source

The genome of the live-bearing fish Heterandria formosa implicates a role of conserved vertebrate genes in the evolution of placental fish

open access: yesBMC Evolutionary Biology, 2019
Background The evolution of complex organs is thought to occur via a stepwise process, each subsequent step increasing the organ’s complexity by a tiny amount. This evolutionary process can be studied by comparing closely related species that vary in the
Henri van Kruistum   +7 more
doaj   +1 more source

Checklist of the continental fishes of the state of Chiapas, Mexico, and their distribution

open access: yesZooKeys, 2016
An updated checklist of the distribution of fishes that inhabit the continental waters of the Mexican state of Chiapas is presented. The state was compartmentalized into 12 hydrological regions for the purpose of understanding the distribution of fish ...
Ernesto Velázquez-Velázquez   +5 more
doaj   +3 more sources

Field Guide to Nonindigenous Marine Fishes of Florida [PDF]

open access: yes, 2009
The purpose of this field guide is to provide information on nonindigenous (i.e., non-native) fishes that have been observed in Florida’s marine waters. Introductions of non-native marine fishes into Florida’s waters could be intentional or unintentional,
Akins, Lad   +2 more
core  

Auxinic herbicides induce oxidative stress on Cnesterodon decemmaculatus (Pisces: Poeciliidae) [PDF]

open access: yesEnvironmental Science and Pollution Research, 2019
Pesticides might increase the production of reactive oxygen species (ROS). Dicamba (DIC) and 2,4-dichlorophenoxyacetic acid (2,4-D) are auxinic herbicides commonly applied in agroecosystems to control unwanted weeds. We analysed the oxidative damage exerted on the fish Cnesterodon decemmaculatus by an acute exposure to DIC- and 2,4-D-based herbicides ...
Ruiz de Arcaute, Celeste   +4 more
openaire   +4 more sources

Fishes from the Tusubres River basin, Pacific coast, Costa Rica: checklist, identification key and photographic album [PDF]

open access: yesCheck List, 2015
A checklist of the fishes of the Tusubres River basin, Pacific coast of Costa Rica, compiled from field and museum surveys is herein presented. A total of 54 species, representing 47 genera and 27 families, were recorded. Peripheral species were dominant
Arturo Angulo Sibaja   +5 more
doaj   +3 more sources

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