Results 101 to 110 of about 6,073 (197)

Viviparity Stimulates Diversification in an Order of Fish

open access: yes, 2016
International audienceSpecies richness is distributed unevenly across the tree of life and this may be influenced by the evolution of novel phenotypes that promote diversification.
Helmstetter, AJ   +5 more
core   +3 more sources

Parásitos de peces de algunos ríos de la Costa Atlántica

open access: yesWani, 2014
El presente estudio comprende un registro sistemático de especies de monogéneos (Dactylogyridae, Ancyrocephalinae) colectados de las branquias de peces de las familias Pimelodidae, Poeciliidae, Cichlidae y Characidae, en algunos de los ríos de la Costa ...
Edgard Mendoza - Franco   +2 more
doaj  

Tapinoma pymaeum (Dufour, 1857) (Hymenoptera, Formicidae), not a rare species [PDF]

open access: yes, 1996
Tapinoma pygmaeum is an ant known from seven localities. Five of them are in the province of Girona (Spain). The apparent rarity and skewed distribution of this species is probably an artifact due to the confussion, in field samplings, with a similar ...
Espadaler, Xavier   +1 more
core   +4 more sources

Life on the edge: hydrogen sulfide and the fish communities of a Mexican cave and surrounding waters [PDF]

open access: yes, 2018
Most eucaryotic organisms classified as living in an extreme habitat are invertebrates. Here we report of a fish living in a Mexican cave (Cueva del Azufre) that is rich in highly toxic H2S.
de León, Francisco   +6 more
core  

Fishes of the Antoine River, Little Missouri River System, Southwestern Arkansas [PDF]

open access: yes, 1983
The fishes of the Antoine River (Little Missouri River system) in southwestern Arkansas were surveyed from September, 1980 - June, 1982. Thirty-four field collections plus literature and museum records, revealed a total of 60 species in 29 genera ...
Robison, Henry W.   +2 more
core   +16 more sources

Genetic and phenotypic diversification in a widespread fish, the Sailfin Molly (Poecilia latipinna)

open access: yesBMC Ecology and Evolution
Widespread species often experience significant environmental clines over the area they naturally occupy. We investigated a widespread livebearing fish, the Sailfin molly (Poecilia latipinna) combining genetic, life-history, and environmental data ...
Ralph Tiedemann   +6 more
doaj   +1 more source

Jenis-jenis Ikan Introduksi Di Perairan Tawar Jawa Barat Dan Banten: Catatan Tentang Taksonomi Dan Distribusinya [Introduced Fishes to Inland Waters in West Java and Banten: Some Notes on Its Taxonomic and Distribution] [PDF]

open access: yes, 2006
During survey of the fish diversity of the streams at the Gunung Halimun National Park, Gunung Ciremai National Park, Southern Kuningan regency and Garut regency, at least ten species of introduced fishes were found. They were Cyprinus carpio (Cyprinidae)
Rachmatika, I. (Ike)   +1 more
core  

Fish, Corumbataí and Jacaré-Pepira river basins, São Paulo State, Brazil [PDF]

open access: yes, 2006
Fish were studied in two river basins (Corumbataí and Jacaré-Pepira) subjected to strong human pressure, in the interior of the State of São Paulo, southeastern Brazil.
Braga, F. M. S., Gomiero, L. M.
core  

Distribution of Fish Within Headwater Riffles of the Illinois River System, Washington County, Arkansas [PDF]

open access: yes, 1987
Quantitative sampling of fish was performed in five headwater riffles of the Illinois River System, Washington County, Arkansas during low flow conditions.
Brown, Arthur V.   +2 more
core   +2 more sources

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