Results 51 to 60 of about 6,102 (197)

Sexual Dimorphism in Fin Size and Shape in Bluefin Killifish

Ecology 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, Elijah J. Davis, Olivia A. Roden, Valerie Shamsyna, Rebecca C. Fuller   +4 more
wiley   +1 more source

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

Check 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, Hatus de Oliveira Siqueira, Tâmer de Oliveira Faleiros, Nycolas Levy Pereira, José Augusto Senhorini, André Luiz Henríques Esguícero, Célio Bertelli   +6 more
doaj   +3 more sources

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

Ecology 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, Arne Ludwig, Hongmei Pan, Jiayan Lin, Yuan Xu, Hang Shan, Te Cao, Zuogang Peng   +7 more
wiley   +1 more source

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

Manglar
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, Mara Erika Paredes-Lira, Marcelino Servín Jiménez   +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

BMC 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, Joost van den Heuvel, Joseph Travis, Ken Kraaijeveld, Bas J. Zwaan, Martien A. M. Groenen, Hendrik-Jan Megens, Bart J. A. Pollux   +7 more
doaj   +1 more source

Field Guide to Nonindigenous Marine Fishes of Florida [PDF]

, 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, Morris, Jr., James A., Schofield, Pamela J.   +2 more
core  

Spread of Amazonian Freshwater Fishes Beyond Their Native Ranges

Fish and Fisheries, Volume 27, Issue 1, Page 56-67, January 2026.
ABSTRACT The spread and establishment of Amazonian species outside their native ranges through activities such as sport fishing, aquaculture, and the ornamental fish industry may lead to ecological changes in recipient ecosystems. We investigated the global distribution of Amazonian freshwater fish (AFF) and conducted a case study in the upper Paraná ...
Aymar Orlandi Neto, Luiz Guilherme dos Santos Ribas, Lidiane Franceschini, João Henrique Pinheiro Dias, Hugo Marques, Igor Paiva Ramos, Lilian Casatti, Éder André Gubiani, Jean Ricardo Simões Vitule   +8 more
wiley   +1 more source

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

ZooKeys, 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, Jesús Manuel López-Vila, Adán Enrique Gómez-González, Emilio Ismael Romero-Berny, Jorge Luis Lievano-Trujillo, Wilfredo A. Matamoros   +5 more
doaj   +3 more sources

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

Environmental 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, Ossana, Natalia Alejandra, Pérez Iglesias, Juan Manuel, Soloneski, Sonia María Elsa, Larramendy, Marcelo Luis   +4 more
openaire   +4 more sources

Fine‐Scale Bioregionalization in a Complex Island System: A Freshwater Perspective From the Greater Antilles

Journal of Biogeography, Volume 53, Issue 1, January 2026.
ABSTRACT Aim The isolated nature of islands makes them particularly vulnerable to climate change. The freshwater fishes of the Greater Antilles remain understudied and are further threatened by habitat fragmentation and the introduction of exotic invasive species.
Sheila Rodríguez‐Machado, Diego J. Elías, Patricia Torres‐Pineda, Daniel Fromm, Prosanta Chakrabarty   +4 more
wiley   +1 more source