Sexual Conflict and Sexual Selection in the Goodeinae, a Clade of Viviparous Fish with Effective Female Mate Choice

Garcı́a, Constantino Macı́as; Valero, Alejandra

doi:10.1016/s0065-3454(10)42001-x

Cited by 11 publications

(8 citation statements)

References 130 publications

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“…10 days before parturition), we maximized the opportunity to detect the hypothesized reduction in foraging efficiency both because their food requirements should be especially high, and because they should not have been interested in males. Goodeid females neither store sperm for successive broods, nor copulate when pregnant, yet they can be drawn to male courtship and ornaments through their gestation period [24], being thus potentially vulnerable to the effects of sensory traps.…”

Section: Methodsmentioning

confidence: 99%

Foraging costs drive female resistance to a sensory trap

Garcı́a

Lemus

2012

Proc. R. Soc. B.

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Male ornaments can evolve through the exploitation of female perceptual biases such as those involved in responding to cues from food. This type of sensory exploitation may lead to confusion between the male signals and the cues that females use to find/recognize food. Such interference would be costly to females and may be one reason why females evolve resistance to the male ornaments. Using a group of species of viviparous fish where resistance to a sensory trap has evolved, we demonstrate that females exposed to an ornament that resembles food have a diminished foraging efficiency, that this effect is apparent when foraging on a food item with which the ornament shares visual attributes, and that not all species are equally affected by such confusion. Our results lend support to the model of ornamental evolution through chase-away sexual conflict.

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Section: Methodsmentioning

confidence: 99%

Foraging costs drive female resistance to a sensory trap

Garcı́a

Lemus

2012

Proc. R. Soc. B.

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“…It is still possible that in goodeids, female bright colouration, although different from that of the males, is nevertheless determined by the same genes that produce There is some evidence of genetic correlation between male and female colour patterns in goodeids, but this is limited to one colour marking whose expression, in fact, has been suppressed in some species. The terminal yellow band (TYB), which in several goodeid species constitutes a sensory trap (Macías Garcia & Ramírez, 2005;Macías Garcia & Saldívar Lemus, 2012), is present in females of some species, but, interestingly, it is absent in the species where males exhibit the most conspicuous TYB (Ameca splendens; see Figure 1 in Macías Garcia & Ramírez, 2005 and Figure 3 in Macías Garcia & Valero, 2010). More commonly, female colourful marks are different from those of the males (Figure 3).…”

Section: Although No Systematic Comparisons Of Poeciliinae Andmentioning

confidence: 99%

“…More commonly, female colourful marks are different from those of the males (Figure 3). This is not a case of reversed sexual dimorphism, since in all Goodeid species males have different body shape and larger and more colourful median fins than females (Macías Garcia, 2014;Ritchie et al, 2007), a fact that, when studied, has been attributed to female mate choice for costly ornaments (reviewed by Macías Valero, 2010 andMacías Garcia, 2014). Goodeinae female colourfulness is rather the consequence of females of several species evolving colourful body markings that are not found in males.…”

Section: Although No Systematic Comparisons Of Poeciliinae Andmentioning

confidence: 99%

Sexually selected sexual selection: Can evolutionary retribution explain female ornamental colour?

Méndez‐Janovitz

Gonzalez‐Voyer

Garcı́a

2019

J of Evolutionary Biology

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By preferring mates with increasingly costly ornaments or courtship displays, females cause an escalation of male reproductive costs. Such increased costs should promote male selectivity based on fecundity‐linked female attributes, leading to female ornamentation in species with traditional sex roles. Consequently, female ornamentation should evolve more frequently in taxa where male reproduction is costly than in comparable taxa where it is cheaper. We assessed the prevalence of female ornamental colouration in two clades of viviparous cyprinodontid fish: the Goodeinae, where stringent female choice imposes male mating costs, and the Poeciliinae, whose males can circumvent female mate choice. We found that although in the Poeciliinae female ornamental colour is a correlated, but paler version of male coloration, females of the Goodeinae often display vivid ornamental colours that are distinct from those of males. Thus, male and female ornaments are not (phylo)genetically correlated in the Goodeinae. Furthermore, phylogenetic signal on male and female colour is clearly detectable in the Poeciliinae, but absent in the Goodeinae, suggesting that ornamental colour of males and females in the latter may be the consequence of selection. Given that enforceable female choice has promoted male ornaments, we propose that evolutionary retribution has promoted distinct female ornaments in the Goodeinae.

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confidence: 99%

“…mate based on visual traits, including body coloration and size [Macıas Garcia and Valero, 2010;Greven, 2013]. Furthermore, they have internal fertilization which demands a high degree of synchrony in the mating process [Macıas Garcia and Valero, 2010;Greven, 2013]. The reproductive system of the redtail splitfin is typical for goodeids, with females having a single hollow structured ovary divided by a median septum [Turner, 1937;Hubbs and Turner, 1939;Mendoza, 1965;Uribe et al, 2005] and males having paired testes.…”

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Ontogeny and Dynamics of the Gonadal Development, Embryogenesis, and Gestation in Xenotoca eiseni (Cyprinodontiformes, Goodeidae)

Tinguely¹,

Lange²,

Tyler³

2019

Sex Dev

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We characterized the ontogeny and dynamics of gonadal development, embryogenesis, and gestation in captive stocks of the viviparous redtail splitfin, Xenotoca eiseni. Using histology, we showed that gonads were fully differentiated at the time of birth with a male:female sex ratio of 1:1 in the captive stock. External secondary sex features included a modified anal fin and a distinctive orange tail coloration. These features first appeared at 4 weeks after birth and were discriminative for males thereafter. There was no sex-related dichotomy in body size, and X. eiseni reached sexual maturity at approximately 12 weeks of age. We found no evidence for sperm storage in females. Gestation normally took 6 weeks, and there was a positive correlation between female body size and the number of offspring produced, with up to 27 offspring for a single pregnancy. Yolk is the main food source for developing embryos for the period up to 2 weeks, and thereafter, trophotaeniae in embryos act as nutrient exchange surfaces in the ovarian lumen, which subsequently undergo complete regression within 2 weeks of birth. In our final analysis, we discuss the great potential of X. eiseni as a model for studying the effects of chemicals on sexual development.

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Sexual Conflict and Sexual Selection in the Goodeinae, a Clade of Viviparous Fish with Effective Female Mate Choice

Cited by 11 publications

References 130 publications

Foraging costs drive female resistance to a sensory trap

Foraging costs drive female resistance to a sensory trap

Sexually selected sexual selection: Can evolutionary retribution explain female ornamental colour?

Ontogeny and Dynamics of the Gonadal Development, Embryogenesis, and Gestation in <b><i>Xenotoca eiseni</i></b> (Cyprinodontiformes, Goodeidae)

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