Data from: Sperm competition and the evolution of precopulatory weapons: testis size and amplexus position, but not arm strength, affect fertilization success in a chorusing frog

Buzatto BA, Tyler E, Roberts JD, Simmons LW

Date Published: November 16, 2016

DOI: http://dx.doi.org/10.5061/dryad.g2k05

 

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Description This data file contains all the information used in our analyses for the manuscript entitled "Sperm competition and the evolution of precopulatory weapons: testis size and amplexus position, but not arm strength, affect fertilization success in a chorusing frog". Each row of this data set refers to a male that participated in a group spawning of the Australian quacking frog 'Crinia georgiana'. Each row has a group spawning ID, the male ID, the female ID, female mass (g), number of males participating in this group spawning, clutch size (number of eggs laid) and spawning time in seconds. The rows also have attributes of these males: number of offspring sired, total body mass (g), soma mass (body mass minus testes mass; g), testes mass (mg), relative testes mass (corrected for body size; mg), snout-vent length (mm), arm girth (mm), relative arm girth (corrected for body size; mm), whether the male amplexed the female in the group spawning, and his main amplexus position (see text). Finally, the proportions of spawning time that each male spent on each possible amplexus position (dorsal, ventral, lateral, amplexing another male, cloaca facing the female's head and not amplexed) are also given.
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When using this data, please cite the original publication:

Buzatto BA, Thyer EM, Roberts JD, Simmons LW (2016) Sperm competition and the evolution of precopulatory weapons: Testis size and amplexus position, but not arm strength, affect fertilization success in a chorusing frog. Evolution 71(2): 329-341. http://dx.doi.org/10.1111/evo.13136

Additionally, please cite the Dryad data package:

Buzatto BA, Tyler E, Roberts JD, Simmons LW (2016) Data from: Sperm competition and the evolution of precopulatory weapons: testis size and amplexus position, but not arm strength, affect fertilization success in a chorusing frog. Dryad Digital Repository. http://dx.doi.org/10.5061/dryad.g2k05
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