Mating and aggressive behaviour of Brachyrhaphis olomina (Cyprinodontiformes: Poeciliidae)
نویسندگان
چکیده
منابع مشابه
Reproductive Adaptations among Viviparous Fishes (cyprinodontiformes: Poeciliidae).
Within the family Poeciliidae, a wide range of adaptations accompanying viviparity has evolved. The reproductive mechanisms of five representative species were examined and related to the habitats in which they are employed. Poecilia reticulata, the guppy, represents the majority of poeciliids which have a single stage of embryos in the ovary at a time. Most of the nutrients are prepack-aged in...
متن کاملHistorical biogeography of the livebearing fish genus Poeciliopsis (Poeciliidae: Cyprinodontiformes).
To assess the historical biogeography of freshwater topminnows in the genus Poeciliopsis, we examined sequence variation in two mitochondrial genes, cytochrome b (1140 bp) and NADH subunit 2 (1047 bp). This widespread fish genus is distributed from Arizona to western Colombia, and nearly half of its 21 named species have distributions that border on the geologically active Trans-Mexican Volcani...
متن کاملPhylogenetic Relationships of Species of the Genus Brachyrhaphis (Poeciliidae) Inferred from Partial Mitochondrial DNA Sequences
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متن کاملPhylogenetic Relationships of Species of the Genus Brachyrhaphis ( Poeciliidae ) Inferred from Partial Mitochondria 1 DNA Sequences
Phylogenetic relationships were reconstructed using partial mitochondrial DNA sequence data for the cytochrome b gene among all nine described species of Bra&flaphis and several members of the tribe Gambusiini. We included three of the more than 40 members of the genus Gambusia and Belonesox belimnus, the third, monotypic genus of the tribe Gambusiini. Xiphophorus malinche served as the outgrou...
متن کاملSize-dependent male mating behaviour in the Cave molly, Poecilia mexicana (Poeciliidae, Teleostei)
We investigated male mating behaviour in a population of Poecilia mexicana from a Mexican limestone cave. A previous study has shown that unlike surface-dwelling P. mexicana, Cave molly males show surprisingly low frequencies of sexual behaviour when together with a female. In surface-living mollies, small males are typically more sexually active than large ones. By contrast, the frequency of s...
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ژورنال
عنوان ژورنال: Journal of Ethology
سال: 2017
ISSN: 0289-0771,1439-5444
DOI: 10.1007/s10164-017-0523-y