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251 results for “Coral fishes”
Fig 5 in The status of coral reefs and reef fishes of Biloro Village, Southern Buru Regency, Indonesia
Fig 5: Other dominant fauna component found at study site
Fig 1 in The status of coral reefs and reef fishes of Biloro Village, Southern Buru Regency, Indonesia
Fig 1: Map of study site
Despite plasticity, heatwaves are costly for a coral reef fish
<p>Climate change is intensifying extreme weather events, including marine heatwaves, which are prolonged periods of anomalously high sea surface temperature that pose a novel threat to aquatic animals. Tropical animals may be especially vulnerable to marine heatwaves because they are adapted to a narrow temperature range. If these animals cannot acclimate to marine heat waves, the extreme heat could impair their behavior and fitness. Here, we investigated how marine heatwave conditions affected the performance and thermal tolerance of a tropical predatory fish, arceye hawkfish (<em>Paracirrhites arcatu</em>s), across two seasons in Mo'orea, French Polynesia. We found that the fish's daily activities, including recovery from burst swimming and digestion, were more energetically costly in fish exposed to marine heatwave conditions across both seasons, while their aerobic capacity remained the same. Given their constrained energy budget, these rising costs associated with warming may impact how hawkfish prioritize activities. Additionally, hawkfish that were exposed to hotter temperatures exhibited cardiac plasticity by increasing their maximum heart rate but were still operating within a few degrees of their thermal limits. With more frequent and intense heatwaves, hawkfish, and other tropical fishes must rapidly acclimate, or they may suffer physiological consequences that alter their role in the ecosystem. <strong><br></strong></p>
Video of mobbing behavior by coral-reef fishes
<p>Video of mobbing behavior by coral-reef fishes from article in CORAL, "Trophic Mobbing in Fishes". </p> <p>1. A school of Convict Tang, <em>Acanthurus triostegus </em>mobbing the territory of the Lavendar Tang, <em>Acanthurus nigrofuscus </em>at Pupukea, Oahu (R.K. Whitton)</p> <p>2. A group of Millet-seed butterfly fish, <em>Chaetodon miliaris</em>, feeding on the eggs of<em> Abudefduf abdominalis</em> - Kahe Point, Oahu (J.L. Earle)</p> <p>3. The Reticulated Butterflyfish <em>Chaetodon reticulatus</em> on the outer reef of Avatoru Pass of Rangiroa Atoll, Tuamotu Archipelago foraging on colonies of <em>Pocillopora meandrina</em> in a loose aggregation which became a tight cluster when an area defended by <em>Plectroglyphidodon johnstonianus</em> was encountered (J.L. Earle).</p> <p>4. The Ornate Butterflyfish, <em>Chaetodon ornatissimus</em>, mobbing the territory of the Blackbar Devil Damselfish, <em>Plectroglyphidodon dickii </em>at Kiritimati, Line Islands (J.L. Earle and R.K. Whitton).</p>
Coexisting mangrove-coral habitat use by reef fishes in the Caribbean
<p>We conducted visual fish surveys in coexisting mangrove-coral (CMC) habitats in Panama to analyze the effect of coral presence in mangrove habitats on the fish assemblage. Our study revealed that CMC habitats harbor distinct fish assemblages compared to mangrove habitats without coral, with greater species richness and increased herbivore abundance.</p>
Data for: Seasonal variability in resilience of a coral reef fish to marine heatwaves and hypoxia
<p>Climate change projections indicate more frequent and severe tropical marine heatwaves (MHWs) and accompanying hypoxia year-round. However, most studies have focused on peak summer peak conditions under the assumption that annual maximum temperatures will induce the greatest physiological consequences. This study challenges this idea by characterizing seasonal MHWs (i.e., mean, maximum, and cumulative intensities, durations, heating rates, and mean annual occurrence) and comparing metabolic traits (i.e., standard metabolic rate (SMR), Q10 of SMR, maximum metabolic rate (MMR), aerobic scope, and critical oxygen tension (<em>P</em><sub>crit</sub>)) of winter- and summer-acclimatized convict tang (<em>Acanthurus</em> <em>triostegus</em>) to the combined effects of MHWs and hypoxia. Fish were exposed to one of six MHW treatments with seasonally varying maximum intensities (winter: 24.5, 26.5, 28.5°C; summer: 28.5, 30.5, 32.5°C), representing past and future MHWs under IPCC projections (i.e., +0, +2, +4°C). Surprisingly, MHW characteristics did not significantly differ between seasons, yet SMR was more sensitive to winter MHWs (mean Q10 = 2.92) than summer MHWs (mean Q10 = 1.81), despite higher absolute summer temperatures. Concurrently, MMR increased similarly among winter +2°C and +4°C treatments (i.e., 26.5, 28.5°C) and all summer MHW treatments, suggesting a ceiling for maximal MMR increase. Aerobic scope did not significantly differ between seasons nor among MHW treatments. While mean <em>P</em><sub>crit</sub> did not significantly vary between seasons, warming of +4°C during winter (i.e., 28.5°C) significantly increased <em>P</em><sub>crit</sub> relative to the winter control group. Contrary to the idea of increased sensitivity to MHWs during the warmest time of year, our results reveal heightened sensitivity to the deleterious effects of winter MHWs, and that seasonal acclimatization to warmer summer conditions may bolster metabolic resilience to warming and hypoxia. Consequently, physiological sensitivity to MHWs and hypoxia may extend across larger parts of the year than previously expected, emphasizing the importance of evaluating climate change impacts during cooler seasons when essential fitness-related traits such as reproduction occur in many species.</p>
Data from "The evolution of fast-growing coral reef fishes"
<p>Datasets and scripts generated during and/or analysed in the paper '<strong>The evolution of fast-growing coral reef fishes</strong>', published in <em>Nature</em>. More details can be found in the README file.</p>
Data from 'On the evolution of fish-coral interactions'
<p>Datasets and scripts generated during and/or analysed in the paper '<strong>On the evolution of fish-coral interactions</strong>', published in <em>Ecology Letters</em>. More details can be found in the README file.</p>
Winners and losers of reef flattening: An assessment of coral reef fish species and traits
<p>Anthropogenic stressors are causing widespread coral mortality, leading to loss of coral cover and decreased structural complexity that threatens reef biodiversity, functioning, and ecosystem services. Reef fishes are intimately linked to coral reef complexity, but we lack a generic understanding of which species are particularly affected by reef flattening and what traits make them susceptible. We used extensive species- and trait-based analyses to build a framework for western Atlantic fish association with both structural complexity and coral cover to better understand the implications of reef degradation. These analyses also investigated the relative importance of live coral versus the value of the structure it provides to reef fishes. We modeled how 25 biophysical and anthropogenic factors correlated with the densities of 109 fish species across 3292 Floridian reef sites. The importance of a metric of structural complexity and coral cover to the abundance of each species was then isolated. Species with positive associations were categorized as likely future 'losers' and negative associations as 'winners'. We showed that structure loss was more critical than loss of coral cover, as 53% of species were predicted as losers on low-relief reefs, while only 11% were losers with decreased coral cover. We found morphological, behavioral, and ecological traits mediate species' responses to reef degradation, and shared evolutionary history is unlikely to be a strong driver of trait relationships. Eight traits explained 79.7% of variation in species' associations with relief and six traits explained 27.8% of associations with coral cover. Smaller, streamlined, habitat and trophic generalists are more likely winners on flattened reefs and large-bodied predators and species with deeper bodies and intermediate caudal fin shapes are likely losers. Identifying these important traits provides insight into mechanisms that may link fish and complex habitats, which allows us to better predict assemblage-wide responses to future reef flattening.</p>
Species delimitation in the Eviota sigillata species complex, a widely distributed group of cryptobenthic coral reef fishes
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Data from: Effects of hypoxia and ocean acidification on the upper thermal niche boundaries of coral reef fishes
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Data from: Fishes alleviate the impacts of sediments on host corals
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Habitat characteristics and priority effects shape fish and invertebrate assemblages inhabiting the coral <i>Pocillopora grandis</i> in Hawai'i
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Post-larval processes reduce the diversity of coral reef fish communities
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Western Indian Ocean coral and fish normalized site richness collected between 1991 to 2000
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Data for: Seasonal variability in resilience of a coral reef fish to marine heatwaves and hypoxia
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Data From: Shortened food chain length in a fished versus unfished coral reef
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Coexisting mangrove-coral habitat use by reef fishes in the Caribbean
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Data from: Paternal hatching care regulates the timing, synchrony, and success of hatching in a coral reef fish
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Out of shape: Ocean acidification simplifies coral reef architecture and reshuffles fish assemblages
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Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.