Hatch date and growth rate drives reproductive success in nest-guarding males of a temperate reef fish

Moginie, Benjamin; Shima, Jeffrey S.

doi:10.3354/meps12506

Cited by 16 publications

(29 citation statements)

References 72 publications

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“…In the peacock blenny, Salaria pavo, males select a different reproductive tactic depending of the birth date 50 . For the common triplefin, Forsterygion lapillum, more successful males hatch early in the hatching period 51 . Overall, these studies suggest that individuals born early could attain larger sizes at the reproductive season, rank more highly in social hierarchy and have better chances to reproduce.…”

Section: Genomic Associations To Phenotypic and Environmental Variablmentioning

confidence: 99%

Individual-based population genomics reveal different drivers of adaptation in sympatric fish

Torrado

Carreras

Raventós

et al. 2020

Sci Rep

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Connectivity and local adaptation are two contrasting evolutionary forces highly influencing population structure. To evaluate the impact of early-life traits and environmental conditions on genetic structuring and adaptation, we studied two sympatric fish species in the Western Mediterranean Sea: Symphodus tinca and S. ocellatus. We followed an individual-based approach and measured early-life history traits from otolith readings, gathered information on environmental variables and obtained genome-wide markers from genotyping-by-sequencing (GBS). The two species presented contrasting population structure across the same geographic gradient, with high and significant population differentiation in S. ocellatus, mostly determined by oceanographic fronts, and low differentiation and no front effect in S. tinca. Despite their different levels of genetic differentiation, we identified in both species candidate regions for local adaptation by combining outlier analysis with environmental and phenotypic association analyses. Most candidate loci were associated to temperature and productivity in S. ocellatus and to temperature and turbulence in S. tinca suggesting that different drivers may determine genomic diversity and differentiation in each species. Globally, our study highlights that individual-based approach combining genomic, environmental and phenotypic information is key to identify signals of selection and the processes mediating them.

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Section: Genomic Associations To Phenotypic and Environmental Variablmentioning

confidence: 99%

Individual-based population genomics reveal different drivers of adaptation in sympatric fish

Torrado

Carreras

Raventós

et al. 2020

Sci Rep

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show abstract

“…Increased foraging has been hypothesized as a means by which species compensate for late parturition in other aquatic (e.g., Moginie & Shima, 2018 ), semiaquatic (e.g., Orizaola et al, 2010 ), and terrestrial species (e.g., Michel et al, 2018 ), but not without costs. For example, juvenile lemon shark ( Negaprion brevirostris ) growth rate in Bimini, The Bahamas was negatively correlated with survival, likely due to more frequent use of resource rich but risky foraging sites (Dhellemmes et al, 2020 ; Dibattista et al, 2007 ).…”

Section: Introductionmentioning

confidence: 99%

Grow fast, die young: Does compensatory growth reduce survival of juvenile blacktip sharks (Carcharhinus limbatus) in the western Gulf of Mexico?

Matich

Plumlee

Fisher

2021

Ecology and Evolution

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Effective conservation and management necessitate an understanding of the ecological mechanisms that shape species life histories in order to predict how variability in natural and anthropogenic impacts will alter growth rates, recruitment, and survival. Among these mechanisms, the interaction between parturition timing and prey availability frequently influences offspring success, particularly when postnatal care is absent. Here, we assess how parturition timing and nursery conditions, including prey abundance and environmental conditions, influence the growth and potential survival of blacktip sharks (Carcharhinus limbatus) in western Gulf of Mexico (GOM) estuaries over their first year. Catch data from long‐term gillnet monitoring allowed for clear delineation of cohorts based on size frequency distribution plots, and showed that late parturition cohorts born in estuaries with fewer prey resources exhibited more rapid growth than early parturition cohorts that experienced more abundant prey. Compensatory behaviors that promoted accelerated growth led to reduced second year residency, likely due to reduced survival resultant from greater risk taking and potentially due to reduced site fidelity attributed to larger body size. Water temperatures influenced blacktip growth rates through physiological increases in metabolism and potential premigratory foraging cues associated with cooling temperatures. Gradual warming of the GOM (0.03°C year−1) was also correlated with earlier parturition across the study period (1982–2017), similar to other migratory species. Considering current trends in climate and associated phenological shifts in many animals, testing hypotheses assessing compensatory growth‐risk trade‐offs is important moving forward to predict changes in life histories and associated recruitment in concert with current and future conservation actions, like wildlife management.

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“…Phenotypic variation mediated by moonlight may have wholly unappreciated effects that carry‐over to benthic life stages, shaping competitive interactions (Noonburg et al. ) and alternative life‐history strategies (Moginie and Shima ).…”

Section: Discussionmentioning

confidence: 99%

Moonlight enhances growth in larval fish

Shima

Swearer

2018

Ecology

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Moonlight mediates trophic interactions and shapes the evolution of life‐history strategies for nocturnal organisms. Reproductive cycles and important life‐history transitions for many marine organisms coincide with moon phases, but few studies consider the effects of moonlight on pelagic larvae at sea. We evaluated effects of moonlight on growth of pelagic larvae of a temperate reef fish using “master chronologies” of larval growth constructed from age‐independent daily increment widths recorded in otoliths of 321 individuals. We found that daily growth rates of fish larvae were enhanced by lunar illumination after controlling for the positive influence of temperature and the negative influence of cloud cover. Collectively, these results indicate that moonlight enhances growth rates of larval fish. This pattern is likely the result of moonlight's combined effects on foraging efficiency and suppression of diel migrations of mesopelagic predators, and has the potential to drive evolution of marine life histories.

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Hatch date and growth rate drives reproductive success in nest-guarding males of a temperate reef fish

Cited by 16 publications

References 72 publications

Individual-based population genomics reveal different drivers of adaptation in sympatric fish

Individual-based population genomics reveal different drivers of adaptation in sympatric fish

Grow fast, die young: Does compensatory growth reduce survival of juvenile blacktip sharks (Carcharhinus limbatus) in the western Gulf of Mexico?

Moonlight enhances growth in larval fish

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