Results 71 to 80 of about 1,744 (163)

Austrolebias luzardoi (Cyprinodontiformes: Rivulidae), una especie nueva de pez anual de la cuenca del río Cuareim, República Oriental del Uruguay

open access: yesRevista del Museo de La Plata
Austrolebias luzardoi sp. n., se describe de charcos temporales del sector medio de la cuenca del río Cuareim, Departamento de Artigas, al norte de la República Oriental del Uruguay.
Enrique Perujo   +3 more
doaj  

Studying fish biodiversity and abundance in Boujagh Wetland of Kiashahr, South-Western Caspian Sea

open access: yes‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 2004
The fish biodiversity and abundance studied in Boujagh wetland, close to Kiashahr south-western Caspian Sea during the year 2002. In each season, samples were collected by using gillnet, common haul seine, cast net and dip net in a 7-15 day sampling ...
H. Khara; Sh. Nezami balochi
doaj  

The fish fauna in tropical rivers: The case of the Sorocaba river basin, SP, Brazil

open access: yesRevista de Biología Tropical, 2003
A survey was carried out on the fish species in the Sorocaba River basin, the main tributary of the left margin of the Tietê River, located in the State of São Paulo, Brazil. The species were collected with gill nets.
Welber Senteio Smith   +2 more
doaj  

Sexual Dimorphism in Fin Size and Shape in North American Killifish

open access: yesEcology and Evolution
Sexual dimorphism is intriguing because it suggests that males and females differ in phenotypic optima for traits and that sex‐specific trait values can evolve despite a shared genome.
Elijah J. Davis   +3 more
doaj   +1 more source

Life-history traits of Balsas Splitfin Ilyodon whitei (Cyprinodontiformes: Goodeidae) Mexican endemic fish species

open access: green, 2023
Patricia Trujillo-Jiméneza   +3 more
openalex   +1 more source

Critical thermal limits of Poecilia caucana (Steindachner, 1880) (Cyprinodontiformes: Poeciliidae)

open access: yesNeotropical Ichthyology
Although temperature has far-reaching effects on fish biology, the thermal tolerance ranges of most freshwater fish species are unknown. This lack of information precludes forecasting responses to climatic change and does not allow for comparative ...
Juan Diego Martínez   +2 more
doaj   +1 more source

Systematics of the genus Cnesterodon Garman, 1895 (Cyprinodontiformes: Poeciliidae: Poeciliinae)

open access: yesNeotropical Ichthyology
A phylogenetic hypothesis of relationships is proposed for the species of Cnesterodon. A series of derived features supports the monophyly of the genus and infrageneric clades. The genus Cnesterodon is revised, with Gulapinnus considered a junior synonym.
Paulo H. F. Lucinda
doaj   +1 more source

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