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81 results for “anadromous”
Data from: Genetic diversity and differentiation in a wide ranging anadromous fish, American shad (Alosa sapidissima), is correlated with latitude
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Data from: Genomics and telemetry suggest a role for migration harshness in determining overwintering habitat choice, but not gene flow, in anadromous Arctic Char
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Data from: Potential of a no-take marine reserve to protect home ranges of anadromous brown trout (Salmo trutta)
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Data from: Riding the crimson tide: mobile terrestrial consumers track phenological variation in spawning of an anadromous fish
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Physical and biological constraints on the capacity for life-history expression of anadromous salmonids: an Eel River, California, case study
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Data from: Genetic divergence of a sympatric lake-resident–anadromous three-spined stickleback Gasterosteus aculeatus species pair
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Data from: Conservation genomics of anadromous Atlantic salmon across its North American range: outlier loci identify the same patterns of population structure as neutral loci
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Data from: Genetic population structure and variation at phenology-related loci in anadromous Arctic char (Salvelinus alpinus)
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Data from: Contrasting population genetic structure among freshwater-resident and anadromous lampreys: the role of demographic history, differential dispersal, and anthropogenic barriers to movement.
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Data from: Male choice in the stream-anadromous stickleback complex
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Per and polyfluoroalkyl substances (PFAS) in marine and anadromous species sampled in the Southern Salish Sea
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Data from: Molecular signatures of lineage-specific adaptive evolution in a unique sea basin: the example of an anadromous goby Leucopsarion petersii
Climate changes on various time scales often shape genetic novelty and adaptive variation in many biotas. We explored molecular signatures of directional selection in populations of the ice goby Leucopsarion petersii inhabiting a unique sea basin, the Sea of Japan, where a wide variety of environments existed in the Pleistocene in relation to shifts in sea level by repeated glaciations. This species consisted of two historically allopatric lineages, the Japan Sea (JS) and Pacific Ocean (PO) lineages, and these have lived under contrasting marine environments that are expected to have imposed different selection regimes caused by past climatic and current oceanographic factors. We applied a limited genome-scan approach using seven candidate genes for phenotypic differences between two lineages in combination with 100 anonymous microsatellite loci. Neuropeptide Y (NPY) gene, which is an important regulator of food intake and potent orexigenic agent, and three anonymous microsatellites were identified as robust outliers, that is, candidate loci potentially under directional selection, by multiple divergence- and diversity-based outlier tests in comparisons focused on multiple populations of the JS vs. PO lineages. For these outlier loci, populations of the JS lineage had putative signals of selective sweeps. Additionally, real-time quantitative PCR analysis using fish reared in a common environment showed a higher expression level for NPY gene in the JS lineage. Thus, this study succeeded in identifying candidate genomic regions under selection across populations of the JS lineage and provided evidence for lineage-specific adaptive evolution in this unique sea basin.
F I G U R E 3 in Differences in growth between offspring of anadromous and freshwater brown trout Salmo trutta
F I G U R E 3 Temperature from fertilization on 9 November 2018 to hatching (1) and start of feeding (2) of Salmo trutta eggs incubated in cold (solid line) and hot (broken line) water
Figure 1 in A student-based expansion of the strategies of reproduction in fish (STOREFISH) database to 288 North American freshwater and anadromous species for 14 egg and larval traits
Figure 1. – Data in the STOREFISH database summarized by origin and family, and mapped onto the phylogeny of teleost families from Rabosky et al. (2018). Values in bold are the median number of records across all species in that family (followed by the associated 2.5 and 97.5% quantiles if the number of species in a family is ≥3). Values not in bold are medians for the number of traits for which data are available across all species in that family (followed by quantiles if ≥3 species). Not included in this phylogeny are the families Lotidae (1 species; 69 | 14), Petromyzontidae (11 species; 2, 1, 34 | 2, 1, 9.25), and Thymallidae (2 species; 72 | 13). A high-resolution version of this figure is available from www.storefish.org.
Repeatable individual variation in migration timing in two anadromous salmonids and ecological consequences
<p>Consistent individual differences in behaviour has been demonstrated for many animals, but there are few studies of consequences of such repeated behaviour in the wild. We tested consistency in migration timing to and from the sea among anadromous Arctic char (<i>Salvelinus alpinus</i>) and brown trout (<i>Salmo trutta</i>), using data from a study period of about 25 years, including more than 27,000 uniquely Carlin-tagged individuals that migrated to sea for feeding in the spring and returned to the river in late summer for up to 13 successive years. Consistency was found between individuals across time in timing of the seaward migration. Individuals migrating early during their first migration tended to migrate early the following years, and late migrants tended to migrate late. The same pattern was found also at ascent to freshwater. Hence, this study demonstrated that individual fish in nature can differ in behaviour related to migration timing, and that these differences can be consistent during their life time. Early migrants increased their mass more than late migrants, and had a higher specific growth rate. Early migrating Arctic char, but not brown trout, experienced a longer life after the first migration to sea than late migrants. In both species, maturity occurred earlier in individuals that migrated early. For brown trout, but not for Arctic char, fecundity was significantly correlated to the timing of smolt migration. Hence, the repeatable individual variation in migration timing seemed to have ecological and fitness consequences in terms of growth, longevity, timing of maturity, and life-time fecundity.</p>
Data from: Molecular signatures of lineage-specific adaptive evolution in a unique sea basin: the example of an anadromous goby Leucopsarion petersii
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Repeatable individual variation in migration timing in two anadromous salmonids and ecological consequences
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Figure A1 in A student-based expansion of the strategies of reproduction in fish (STOREFISH) database to 288 North American freshwater and anadromous species for 14 egg and larval traits
Figure A1. – Box-plots for the first four survey questions (Q1-Q4). See Table A1 for explanations.
Anadromous cataloging and fish inventory in select drainages of the Upper Tanana and Yukon Rivers 2019
<p>During the summer of 2019, Alaska Department of Fish and Game Division of Sport Fish staff conducted a rapid systematic inventory of anadromous fish distribution and associated aquatic and riparian habitat in select drainages of the upper Yukon River and Tanana River. Target streams will be selected to fill gaps in coverage of the State of Alaska's <i>Catalog of Waters Important for the Spawning, Rearing or Migration of Anadromous Fishes</i> (AWC) for freshwater habitats expected to support anadromous fish populations likely to be impacted by human activities. Two crews sampled standardized target stream reaches using electrofishers with sufficient effort to collect all species (perhaps with the exception of rare species) of the extant fish community. At each sampling site, crews documented standard aquatic and riparian habitat characteristics. For each water body in which anadromous fish are observed, nominations to the AWC were submitted. One hundred sites were surveyed during this study period, a slightly smaller number than what was expected due to long term drying patterns in the region that led to farther travel times in addition to flooding events that happened after heavy rains.</p>
Anadromous cataloging and fish inventory in select drainages of the Upper Tanana and Yukon Rivers 2019
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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.