Results 41 to 50 of about 2,260 (213)

Stream-dwelling fish communities from an Atlantic rain forest drainage

open access: yesBrazilian Archives of Biology and Technology, 2006
Twenty-two species were registered in the Ubatiba system with a predominance of Characiformes and Siluriformes followed by Cyprinodontiformes, Perciformes and Synbranchiformes.
Rosana Mazzoni   +3 more
doaj   +1 more source

Cyprinodontiformes

open access: yes, 2008
Order Cyprinodontiformes Family Poeciliidae Poecilia caucana Gyrodactylus milleri (VE) Gyrodactylus poeciliae (VE)
Cohen, Simone C., Kohn, Anna
openaire   +2 more sources

New occurrences of the endangered Notholebias minimus (Cyprinodontiformes: Rivulidae) in coastal plains of the State of Rio de Janeiro, Brazil: populations features and conservation

open access: yesNeotropical Ichthyology, 2023
Notholebias minimus is an endangered annual killifish endemic to the coastal plains of the State of Rio de Janeiro, Brazil. This study aimed to present new occurrences in the Atlantic Forest biome, provide unprecedented population features (body and egg ...
G. Guedes   +4 more
semanticscholar   +1 more source

Fish from urban tributaries to the Vermelho River, upper Paraguay River Basin, Mato Grosso, Brazil [PDF]

open access: yesCheck List, 2014
The fish fauna of urban streams is still poorly known, it difficult to assess the effects of urbanization expansion on fish species composition, for this reason the aim of this study was to provide a checklist of species that compose the ichthyofauna of ...
Valdeci Oliveira   +3 more
doaj   +3 more sources

Molecular Data Confirm the Occurrence of the Allochthonous Gambusia holbrooki (Pisces: Poeciliidae) in Sicily and the Maltese Archipelago

open access: yesDiversity
A major threat to biodiversity is represented by Invasive Alien Species (IAS), particularly on freshwater ecosystems, which are already heavily altered by human activities.
Luca Vecchioni   +10 more
doaj   +1 more source

Ichthyofauna of the Ribeirão Taboão, Paraíba do Sul river basin, Mogi das Cruzes, SP [PDF]

open access: yesCheck List, 2014
We present herein a list of fish species from Ribeirão Taboão, a tributary of Rio Paraíba do Sul basin that is located in the metropolitan region of São Paulo. Fish were caught with trapezoid hand nets, mesh nets and fish traps. We sampled 145 specimens,
Marina Loeb   +2 more
doaj   +3 more sources

A new species of cloud fish of the genus Hypsolebias from Northeast Brazil (Cyprinodontiformes: Rivulidae)

open access: yesNeotropical Ichthyology, 2023
A new species of cloud fish of the genus Hypsolebias is described from a temporary pool in the rio Trairi basin, Rio Grande do Norte State, Brazil. It is the first record of the genus Hypsolebias for the basin. The new speciesbelongs to the H.
T. Ramos   +4 more
semanticscholar   +1 more source

Loss, persistence and reversal of phenotypic traits

open access: yesBiological Reviews, EarlyView.
ABSTRACT The irreversibility of complex trait loss has long been a tenet of evolutionary biology. However, this idea is increasingly at odds with the numerous documented exceptions across the Tree of Life. We synthesise this growing body of evidence across a diverse array of taxa and traits, exploring the evolutionary conditions that enable ...
Giobbe Forni   +4 more
wiley   +1 more source

Phenotypic Study of Population and Distribution of the Poecilia reticulata (Cyprinodontiformes, Poeciliidae) from Kyiv Sewage System (Ukraine)

open access: yesZoodiversity, 2023
This paper presents the original data on studies of populations of guppies on the territory of Ukraine on the example of those of them surviving for many years in the drainage system of Kyiv.
O. Nekrasova   +5 more
semanticscholar   +1 more source

Experimentally testing the function of anal fins in the bluefin killifish, Lucania goodei

open access: yesJournal of Fish Biology, EarlyView.
Abstract Anal fins are thought to affect many functions, including swimming, sperm flow and signalling. However, there are few experimental demonstrations of these functions. We manipulated male anal fins by placing a cut in the fin. We found that cut males had lower fertilization rates than uncut males.
Edie Smelko, Rebecca C. Fuller
wiley   +1 more source

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