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Triploid Hybrids between the All-female Teleost Poecilia formosa and Poecilia sphenops
Nature, 1968THE Amazon molly, Poecilia formosa (Girard), is an all-female species native to southern Texas and north-eastern Mexico1. In the northern part of the range, P. formosa is fertilized by males of P. latipinna; in the southern part by a species of the P. sphenops complex. Reproduction is usually by gynogenesis; no introgression of paternal characters into
R. JACK SCHULTZ, KLAUS D. KALLMAN
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Acta ethologica, 2002
The Tamesi molly, Poecilia latipunctata, has a very limited biogeographical range in northeast Mexico. This area is nested within the ranges of the Atlantic molly, Poecilia mexicana, and the unisexual Amazon molly, Poecilia formosa. Based on morphology, especially fin shape, the Tamesi molly has been considered to be a "short-fin" molly.
Andreas Niemeitz +4 more
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The Tamesi molly, Poecilia latipunctata, has a very limited biogeographical range in northeast Mexico. This area is nested within the ranges of the Atlantic molly, Poecilia mexicana, and the unisexual Amazon molly, Poecilia formosa. Based on morphology, especially fin shape, the Tamesi molly has been considered to be a "short-fin" molly.
Andreas Niemeitz +4 more
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Nucleoprotein cytochemistry during oogenesis in a unisexual fish,Poecilia formosa
The Histochemical Journal, 1981Cytochemical methods and electron microscopy were used to study changes in the chemical composition of nuclear, nucleolar and perinuclear bodies during the early stages of oocyte development in Poecilia formosa, an apomictic species of fish that produces only female offspring.
Monaco, Paul J. +2 more
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A Sexual Preference in the Amazon Molly, Poecilia formosa
Environmental Biology of Fishes, 1999The Amazon molly, Poecilia formosa, is an all-female species that reproduces by gynogenesis, i.e., it relies on sperm of males of closely related species to trigger embryogenesis. Sperm is supplied by males of P. latipinna and P. mexicana. Amazon mollies live in sympatry with at least one of these species, a few populations live in sympatry with two ...
Katrin Landmann +2 more
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Biogeography of the Amazon molly, Poecilia formosa
Journal of Biogeography, 2002AimThe unisexual Amazon molly (Poecilia formosa) is a clonal, all‐female fish but depends on sperm of heterospecific males to trigger embryogenesis. Thus, one very important factor shaping its geographical range is the presence of suitable host males.
Ingo Schlupp +2 more
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Mitochondrial DNA Part A, 2015
The complete mitochondrial genome sequence of the Poecilia formosa is first reported in this study. The length of genome is 16 550 bp, including 13 protein-coding genes, 2 ribosomal RNA genes and 22 transfer RNA genes. Congeneric mitogenome sequence identity is 87.7% with P. reticulate and 93.1% with P. sphenops.
Chia-Hsuan, Sung +4 more
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The complete mitochondrial genome sequence of the Poecilia formosa is first reported in this study. The length of genome is 16 550 bp, including 13 protein-coding genes, 2 ribosomal RNA genes and 22 transfer RNA genes. Congeneric mitogenome sequence identity is 87.7% with P. reticulate and 93.1% with P. sphenops.
Chia-Hsuan, Sung +4 more
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Evolutionary Genetics of a Gynogenetic Fish, Poecilia formosa, the Amazon Molly
Evolution, 1980The application of allozyme and other genetic techniques to the study of unisexual vertebrates has led to the realization that all or nearly all of them possess genomes with a relatively high proportion of loci essentially fixed in the heterozygous state (e.g., Parker and Selander, 1976; Schultz, 1977; Vrijenhoek et al., 1977, 1978); this is apparently
Bruce J, Turner +3 more
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The complete mitochondrial genome of the Poecilia formosa (Amazon molly)
Mitochondrial DNA Part A, 2015The Amazon molly, Poecilia formosa, a member of the Poeciliidae family, is a freshwater fish reproducing through gynogenesis. The complete mitochondrial genome of the P. formosa is determined for the first time in this study. It is a circular molecule of 16 542 bp in length, including 13 protein-coding genes, 22 transfer RNA genes, 2 ribosomal RNA ...
Xiao, Dang +3 more
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Ultraviolet carcinogenesis in the teleost fish, Poecilia formosa
Medical Hypotheses, 1980A calculation is made of the fraction of a population of Poecilia formosa, that develop ultraviolet induced tumors and the result compared with the experimental data. Reasonable correlation is obtained.
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Biphasic Retention of One-Trial Learning in a Clonal Fish (Poecilia formosa)
Nature New Biology, 1972Most species used for behavioural studies are bisexual. Sexual dimorphism determines genotypic diversity and behavioural variation within a species. The relative contribution of a genome to a specific behaviour is for the most part indiscernible, but gene changes can alter behaviour in many different ways1.
W H, Riege, A, Cherkin
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