Gonopodial Structures Revisited: Variation in Genital Morphology Within and Across Four Populations of the Western Mosquitofish (Gambusia affinis) in Texas

Gonopodial Structures Revisited: Variation in Genital Morphology Within and Across Four Populations of the Western Mosquitofish (Gambusia affinis) in Texas

We report on gonopodial structures in the western mosquitofish (Gambusia affinis) including forked distal hooks and presence-absence of the elbow and gap. In addition, we present information on gonopodial variation across the Trinity, San Jacinto, and Brazos river drainages in Texas. Reportamos la e...

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Veröffentlicht in:The Southwestern naturalist 2013-03, Vol.58 (1), p.97-101
Hauptverfasser: Stoops, Stacy B, Fleming, Paul, Garrett, Gary P, Deaton, Raelynn
Format: Artikel
Sprache:eng
Schlagworte:
Animal morphology
Elbow
Feature s
Female animals
Females
Fish
Fish populations
Genetic aspects
Genetic variation
Genitalia
Male animals
Males
Mating behavior
Microscopy
Morphology (Animals)
Physiological aspects
Poeciliidae
Population genetics
Population parameters
Population structure
R&D
Research & development
Sexual selection
Sperm
Studies
Taxonomy
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Zusammenfassung:We report on gonopodial structures in the western mosquitofish (Gambusia affinis) including forked distal hooks and presence-absence of the elbow and gap. In addition, we present information on gonopodial variation across the Trinity, San Jacinto, and Brazos river drainages in Texas. Reportamos la estructuras gonopodiales en el pez-mosquito (Gambusia affinis) incluyendo las horquillas de los ganchos distales y presencia-ausencia del codo y brechas del gonopodio. Además, se presenta información sobre la variabilidad en el gonopodio a través de las cuencas de los ríos Trinity, San Jacinto, y Brazos en Texas.
ISSN:0038-4909
1943-6262
DOI:10.1894/0038-4909-58.1.97