Environmental drivers of demographics, habitat use, and behavior during a post-Pleistocene radiation of Bahamas mosquitofish (Gambusia hubbsi)

Heinen, Justa L.; Coco, Matthew W.; Marcuard, Maurice; White, Danielle N.; Peterson, M. Nils; Martin, Ryan A.; Langerhans, R. Brian

doi:10.1007/s10682-012-9627-6

Cited by 38 publications

(92 citation statements)

References 74 publications

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“…On the northern half of Andros Island, G. hubbsi colonized and adaptively radiated across inland blue holes during the past ∼15,000 years (Langerhans et al ) as rising sea levels lifted the freshwater lenses of the island, flooding the voids. Gambusia hubbsi exhibit adaptive phenotypic differences between blue holes with and without the piscivorous bigmouth sleeper ( Gobiomorus dormitor ; life history, body shape, locomotor performance, genital morphology, behavior: e.g., Langerhans et al , ; Langerhans , ; Riesch et al ; Heinen et al ; Heinen‐Kay and Langerhans ), and are undergoing ecological speciation, as sexual isolation between divergent populations has resulted as a by‐product of divergent natural selection (Langerhans et al ; Langerhans and Makowicz ).…”

Section: Study System and Aimsmentioning

confidence: 99%

“…Bahamas mosquitofish represent an ideal system for exploring the complexity of signal evolution and disentangling effects of predation and other environmental factors in signal divergence for several reasons. First, blue holes comprise temporally stable environments (Heinen et al ). Second, Bahamas mosquitofish have independently diverged between replicated high‐predation risk and low‐predation risk blue holes (e.g., Langerhans et al ; Langerhans ; Riesch et al ; Supplemental Material B).…”

Section: Study System and Aimsmentioning

confidence: 99%

“…Second, Bahamas mosquitofish have independently diverged between replicated high‐predation risk and low‐predation risk blue holes (e.g., Langerhans et al ; Langerhans ; Riesch et al ; Supplemental Material B). And finally, blue holes with different predation regimes do not systematically differ in abiotic environmental variables or resource availability (Langerhans et al ; Heinen et al ; Riesch et al ; Supplemental Material B).…”

Section: Study System and Aimsmentioning

confidence: 99%

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EVOLUTION OF MALE COLORATION DURING A POST-PLEISTOCENE RADIATION OF BAHAMAS MOSQUITOFISH (GAMBUSIA HUBBSI)

et al. 2013

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Sexual signal evolution can be complex because multiple factors influence the production, transmission, and reception of sexual signals, as well as receivers' responses to them. To grasp the relative importance of these factors in generating signal diversity, we must simultaneously investigate multiple selective agents and signaling traits within a natural system. We use the model system of the radiation of Bahamas mosquitofish (Gambusia hubbsi) inhabiting blue holes to test the effects of resource availability, male body size and other life-history traits, key aspects of the transmission environment, sex ratio, and predation risk on variation in multiple male color traits. Consistent with previous work examining other traits in this system, several color traits have repeatedly diverged between predation regimes, exhibiting greater elaboration in the absence of predators. However, other factors proved influential as well, with variation in resource levels, body size, relative testes size, and background water color being especially important for several color traits. For one prominent signaling trait, orange dorsal fins, we further confirmed a genetic basis underlying population differences using a laboratory common-garden experiment. We illustrate a promising approach for gaining a detailed understanding of the many contributing factors in the evolution of multivariate sexual signals.

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Section: Study System and Aimsmentioning

confidence: 99%

Section: Study System and Aimsmentioning

confidence: 99%

Section: Study System and Aimsmentioning

confidence: 99%

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EVOLUTION OF MALE COLORATION DURING A POST-PLEISTOCENE RADIATION OF BAHAMAS MOSQUITOFISH (GAMBUSIA HUBBSI)

et al. 2013

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“…; Heinen et al. ) could therefore drive divergence of male genital traits. No studies have explored how variation in female genital morphology impacts male fertilization success when copulations are coercive versus cooperative, even though it is tempting to speculate that reduced male sexual activity and less coercive mating in sulfidic populations (Plath et al.…”

Section: Discussionmentioning

confidence: 99%

Correlated divergence of female and male genitalia in replicated lineages with ongoing ecological speciation

et al. 2019

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Divergence of genital traits among lineages has the potential to serve as a reproductive isolating barrier when copulation, insemination, and fertilization are inhibited by incompatibilities between female and male genitalia. Despite widespread evidence for genital trait diversity among closely related lineages and coevolution of female and male genitalia within lineages, few studies have investigated genital evolution during the early stages of speciation. We quantified genital variation in replicated population pairs of Poecilia mexicana with ongoing ecological speciation between sulfidic (H2S containing) and nearby nonsulfidic habitats. These analyses revealed rapid and correlated divergence of female and male genitalia across evolutionarily independent population pairs exposed to divergent selection regimes. Both sexes exhibited convergent evolution of genital traits among populations inhabiting similar habitat types. Our results demonstrate that genital evolution can occur during the early stages of speciation‐with‐gene‐flow, potentially as a result of variation in the intensity of sexual conflict among populations. Our results suggest genitalia may contribute to early stages of divergence and challenge the generality of previously suggested mechanisms of genital evolution in poeciliids.

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“…Heinen et al. () found that male G. hubbsi in populations with predators chased females more frequently. Predators appear to drive selection that favors mating early and often.…”

Section: Introductionmentioning

confidence: 99%

Do Female Western Mosquitofish,Gambusia affinis,Prefer Ornaments That Males Lack?

et al. 2016

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Some species in the family Poeciliidae are known for extravagant male ornaments and courtship behavior (e.g., guppies), but the majority of poeciliids are characterized by coercive male copulation attempts that seem to circumvent female choice. In some lineages with male ornaments, female sensory bias may have preceded the evolution of corresponding male signals. We examined female preferences for colorful ornaments in Western mosquitofish, Gambusia affinis, in which males lack ornamentation and reproduce primarily through coercive mating attempts. We found that females exhibited a positional affinity for males that were artificially ornamented with blue coloration over males that had been treated with a transparent ornament. Females exhibited the opposite effect for males treated with red ornaments. In contrast, focal females did not exhibit behavioral discrimination between two live stimulus females or two models (silver fishing lures) with blue vs. transparent ornaments. This suggests a sexual context for female discrimination between males based on ornament color and whether an ornament was present. Because tribe Gambusiini is the basal branch of family Poeciliidae, the results of this study are consistent with the hypothesis that female responsiveness to male coloration is the ancestral poeciliid character state.

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Environmental drivers of demographics, habitat use, and behavior during a post-Pleistocene radiation of Bahamas mosquitofish (Gambusia hubbsi)

Cited by 38 publications

References 74 publications

EVOLUTION OF MALE COLORATION DURING A POST-PLEISTOCENE RADIATION OF BAHAMAS MOSQUITOFISH (GAMBUSIA HUBBSI)

EVOLUTION OF MALE COLORATION DURING A POST-PLEISTOCENE RADIATION OF BAHAMAS MOSQUITOFISH (GAMBUSIA HUBBSI)

Correlated divergence of female and male genitalia in replicated lineages with ongoing ecological speciation

Do Female Western Mosquitofish,Gambusia affinis,Prefer Ornaments That Males Lack?

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