Results 71 to 80 of about 6,137 (196)

Population structure of an endemic fish Limia zonata (Cyprinodontiformes: Poeciliinae) in the Maimón River, Dominican Republic

open access: yesNovitates Caribaea, 2019
The population structure of Limia zonata (Nichols, 1915) was studied in four locations in the Maimón River, Monseñor Nouel province, Dominican Republic. The sex and adult-juveniles ratio was calculated for all sampled localities.
Patricia Torres-Pineda   +3 more
doaj   +1 more source

Genomic resources for a model in adaptation and speciation research: characterization of the Poecilia mexicana transcriptome

open access: yesBMC Genomics, 2012
Background Elucidating the genomic basis of adaptation and speciation is a major challenge in natural systems with large quantities of environmental and phenotypic data, mostly because of the scarcity of genomic resources for non-model organisms.
Kelley Joanna L   +5 more
doaj   +1 more source

Primer registro de Centrocestus formosanus (Digenea: Heterophyidae) en Colombia First record of Centrocestus formosanus (Digenea: Heterophyidae) in Colombia

open access: yesRevista Mexicana de Biodiversidad, 2006
Centrocestus formosanus (Digenea:Heterophyidae) se registra por primera vez para Colombia en caracoles y peces del lago del Jardín Botánico Joaquín Antonio Uribe, de la ciudad de Medellín.
Luz Elena Velásquez   +3 more
doaj  

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  

Clave artificial de las familias de peces del río Magdalena

open access: yesCaldasia, 1942
Patamotrygonidae / Ageneiosidae / Pimelodidae / Auchenipteridae / Bunocephalidae / Cetopsidae /  Pygidiidae / Astroblepidae / Doradidae / Loricariidae / Callichthyidae / Characidae / Erythrinidae / Cyprinodotitidae / Poeciliidae / Sciaenidae / Cichlidae /
Miles Cecil
doaj  

Structure de population, fecondite et regime alimentaire du Gambusie dans un plan d'eau du Pays-Basque. [PDF]

open access: yesMunibe Ciencias Naturales, 1995
Des échantillonnages mensuels de Gambusia affinis sont effectués   au cours d'une année, dans un plan d'eau du nord du Pays-Basque   (Biarritz). Le sex-ratio est en faveur des femelles (14/10).
VIGNES, J.C.
doaj  

Does personality affect premating isolation between locally-adapted populations? [PDF]

open access: yes, 2016
Background: One aspect of premating isolation between diverging, locally-adapted population pairs is female mate choice for resident over alien male phenotypes.
A Griffin   +120 more
core   +3 more sources

Sexual harassment in live-bearing fishes (Poeciliidae): comparing courting and noncourting species [PDF]

open access: yes, 2017
Sexual harassment by males has been reported from several live-bearing fishes (Poeciliidae) and has been shown to inflict costs on females. For example, poeciliid females have reduced feeding opportunities when accompanied by a male because females ...
Makowicz, Amber M.   +3 more
core  

Poeciliidae Bonaparte 1831

open access: yes
Family Poeciliidae Livebearers A large family of small, fresh- and brackish-water fishes distributed across the Americas, from southern USA to Argentina. The majority of species exhibit internal fertilisation and give birth to live young. They also exhibit striking sexual dimorphism, with females being larger and deeper-bodied than males.
Freyhof, Jörg   +3 more
openaire   +2 more sources

Fishes of the Eleven Point River Within Arkansas [PDF]

open access: yes, 1977
A survey of the fishes of the Eleven Point River and its tributaries was made between 31 January 1976 and 13 February 1977. Sixty-three collections, literature records and personal communications revealed 90 species distributed among 19 families.
Beadles, John K., Johnson, Michael B.
core   +2 more sources

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