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1,017 results for “freshwater fish”
Erosional exhumation of carbonate rock facilitates dispersal-mediated allopatric speciation in freshwater fishes
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Data from: Ecosystem size predicts the probability of speciation in migratory freshwater fish
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Data from: Allopatric divergence and secondary contact within a single river system in a freshwater fish group
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Data from: Disentangling the drivers of diversification in an imperiled group of freshwater fishes (Cyprinodontiformes: Goodeidae)
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Spatial-temporal gradient variation patterns of fish trophic guilds in a freshwater river wetland ecosystem of northeastern China
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Thermal history mediates the ecological role of body size in a freshwater fish
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Timing and synchrony of migration in a freshwater fish: consequences for survival
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Reconstructing the phylogeny and evolutionary history of freshwater fishes (Nemacheilidae) across Eurasia since early Eocene
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Data From: Fit and fatty freshwater fish: Contrasting polyunsaturated fatty acid phenotypes between hybridizing stickleback lineages
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Data from: Drivers of native and non-native freshwater fish richness across North America: Disentangling the roles of environmental, historical and anthropogenic factors
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Data and code from: Geologic history explains freshwater fish species richness across the conterminous USA
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A key evolutionary step determining osmoregulatory ability for freshwater colonisation in early life stages of fish
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Freshwater fish and the Cretaceous/Palaeogene boundary: A critical assessment of survivorship patterns
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Fish zeta diversity responses to human pressures and cumulative effects across a freshwater basin
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Data from: Freshwater fish functional diversity shows diverse responses to human activities, but consistently declines in the tropics
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Data from: Does migration promote or inhibit diversification? A case study involving the dominant radiation of temperate Southern Hemisphere freshwater fishes
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FIGURES 1–3. Piscianchitrema nilense n. gen, n in A new genus and species of Anchitrematidae Mehra, 1935 (Digenea: Gorgoderoidea) in a freshwater fish from the River Nile at Qena, Egypt with amendation of the family
FIGURES 1–3. Piscianchitrema nilense n. gen, n. sp. from a freshwater fish in Egypt. 1. Adult specimen, ventral view. 2. Terminal genitalia showing details of cirrus sac, ventral view. 3. Details of female genital complex, ventral view. Abbreviations: A, ventral sucker; C, cecum; E, newly-formed eggs; F, vitelline follicles; G, genital pore; M, Mehlis' glands; O, oral sucker; Ov, ovary; P, prostatic cells; Ph, pharynx; R, uterine seminal receptacle; T, testes; U, uterus; V, seminal vesicle; Y, vitelline reservoir
Data from: Sustainability management of short-lived freshwater fish in human-altered ecosystems should focus on adult survival
<p>Fish populations globally are susceptible to endangerment through exploitation and habitat loss. We present theoretical simulations to explore how reduced adult survival (age truncation) might affect short-lived freshwater fish species in human-altered contemporary environments. Our simulations evaluate two hypothetical "average fish" and five example fish species of age 1 or age 2 maturity. From a population equilibrium baseline representing a natural, unaltered environment we impose systematic reductions in adult survival and quantify how age truncation affects the causes of variation in population growth rate. We estimate the relative contributions to population growth rate arising from simulated temporal variation in age-specific vital rates and population structure. At equilibrium and irrespective of example species, population structure (first adult age class) and survival probability of the first two adult age classes are the most important determinants of population growth. As adult survival decreases, the first reproductive age class becomes increasingly important to variation in population growth. All simulated examples show the same general pattern of change with age truncation as known for exploited, longer-lived fish species in marine and freshwater environments. This implies age truncation is a general potential concern for fish biodiversity across life history strategies and ecosystems. Managers of short-lived, freshwater fishes in contemporary environments often focus on supporting reproduction to ensure population persistence. However, a strong focus on water management to support reproduction may reduce adult survival. Sustainability management needs a focus on mitigating adult mortality in human-altered ecosystems. A watershed spatial extent embracing land and water uses may be necessary to identify and mitigate causes of age truncation in freshwater species. Achieving higher adult survival will require paradigm transformations in society and government about water management priorities.</p>
FIGURE 1 in Gastrointestinal nematodes of freshwater fish from Pilcomayo River, Argentina including description of a new species of Procamallanus (Spirocamallanus)
FIGURE 1. Procamallanus (Spirocamallanus) tomsici sp. nov. a: Male, anterior end, lateral view. b: Female, anterior end, lateral view. c: Female, apical view. d: Male, head, lateral view. e: Female, head, lateral view. f: Female, vulva, lateral view. g: Larva. h: Female, tail, lateral view. i: Male, posterior end with spicules, lateral view. j: Male, posterior end with spicules and papillae, ventral view.
FIGURE 4 in Areas of endemism for Anablepidae (Teleostei: Cyprinodontiformes): A monophyletic family of freshwater fishes in the Neotropics
FIGURE 4. Consensus areas of endemism (CAs) delimited for Anablepidae by endemicity analysis with grid size of 1.5º.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
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.