Results 91 to 100 of about 6,137 (196)

Fishes of the Mountain Province Section of the Ouachita River [PDF]

open access: yes, 1978
A survey of the fishes of the mountain province section of the Ouachita River from the headwaters to Remmel Dam using field collections, literature records, and museum collections showed the ichthyofauna to be made up of 80 species representing 16 ...
Douglas, Neil H., Harris, John L.
core   +2 more sources

Toxicidad aguda de la plata sobre Cnesterodon decemmaculatus (Pisces: Poeciliidae) en un río con características extremas de calidad de agua [PDF]

open access: yes, 2013
 A 96 h acute silver toxicity test was performed in order to determine silver toxicity (LC ) to a local fsh species (Cnester- 50 odon decemmaculatus) in a river with extreme water-quality characteristics (Pilcomayo River, South America) and evaluate a ...
Casares, Maria Victoria   +3 more
core  

Estimation of annual yield of fish by guild in the Lower Mekong Basin: report for the NIES/the WorldFish Center project: Scenario-based assessment of the potential effects of alternative dam construction schemes on freshwater fish diversity in the Lower Mekong Basin [PDF]

open access: yes
This consultation is a contribution to an assessment of the impacts of basin development on fish production in the Lower Mekong Basin (LMB). Fish of different species respond to development activities, in particular hydropower development, in different ...
Halls, A.
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

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

Effect of salinity on gestation period, fry production, and growth performance of the sailfin molly (Poecilia latipinna lesueur) in captivity [PDF]

open access: yes, 2005
Breeding and growth trials were carried out with Poecilia latipinna in different salinities (0.5, 10, 15, 25, and 35‰) and effects on gestation period, fry production, and fry growth (75 days) were examined. Results showed that while P.
Balasubramanian, T.   +2 more
core  

Environmentally induced physiological responses that determine fish survival and distribution: a review [PDF]

open access: yes, 2005
Limitation to an aqueous habitat is the most fundamental physiological constraint imposed upon fish, phrases such as 'like a fish of water', convey our acceptance of the general unsuitability of fish for terrestrial existence.
Odunze, F.C.
core  

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  

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  

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