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694 results for “fish diversity”
Adaptation to herbivory and detritivory drives the convergent evolution of large abdominal cavities in a diverse freshwater fish radiation (Otophysi: Characiformes)
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Human-induced habitat fragmentation effects on connectivity, diversity and population persistence of an endemic fish, Percilia irwini, in the Biobío river basin (Chile)
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Environmental DNA in a global biodiversity hotspot: Lessons from coral reef fish diversity across the Indonesian archipelago
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Figure 2 from: Bogutskaya NG, Diripasko OA, Zupančič P, Jelić D, Naseka A (2019) Phenotypic diversity in an endangered freshwater fish Squalius microlepis (Actinopterygii, Leuciscidae). ZooKeys 897: 115-147. https://doi.org/10.3897/zookeys.897.38768
Figure 2 Squalius tenellus, NMW 16001, lectotype, 122.1 mm SL, 'Livno'.
Environmental DNA effectively captures functional diversity of coastal fish communities
Robust assessments of taxonomic and functional diversity are essential components of research programs aimed at understanding current biodiversity patterns and forecasting trajectories of ecological changes. Yet, evaluating marine biodiversity along its dimensions is challenging and dependent on the power and accuracy of the available data collection methods. Here we combine three traditional survey methodologies [Underwater Visual Census strip transects (UVCt), Baited Underwater Videos (BUVs) and Small Scale Fishery catches (SSFc)], and one novel molecular technique [eDNA metabarcoding (eDNA) – 12S rRNA and Cytochrome Oxidase Subunit 1 (COI)] to investigate their efficiency and complementarity in assessing fish diversity. We analysed 1,716 multi-method replicates at a basin scale to measure taxonomic and functional diversity of Mediterranean fish assemblages. Taxonomic identities were investigated at species, genus and family level. Functional identities were assessed using combinations of morphological, behavioral and trophic traits. We show that: i) SSFc provided the higher taxonomic diversity estimates followed by eDNA, and then UVCt and BUV; ii) eDNA was the only method able to gather the whole spectrum of considered functional traits, showing the most functionally diversified and least redundant fish assemblages; iii) the eDNA effectiveness in describing functional structure reflected its lack of selectivity toward any considered functional trait. Our findings suggest that the reach of environmental DNA analysis stretches beyond taxon detection efficiency and provides new insights about the potential of metabarcoding in ecological studies.
Figure 1 from: Bayçelebi E (2020) Distribution and diversity of fish from Seyhan, Ceyhan and Orontes river systems. Zoosystematics and Evolution 96(2): 747-767. https://doi.org/10.3897/zse.96.55837
Figure 1 Map of the northeastern Mediterranean Sea Basin of Turkey and Syria with sampling points.
Data from: Strong effects of coral species on the diversity and structure of reef fish communities: a multi-scale analysis
While there is increasing evidence for habitat specialization in coral reef fishes, the extent to which different corals support different fish communities is not well understood. Here we quantitatively assess the relative importance of different coral species in structuring fish communities and evaluate whether sampling scale and coral colony size affect the perceived strength of fish-habitat relationships. Fish communities present on colonies of 8 coral species (Porites cylindrica, Echinopora horrida, Hydnophora rigida, Stylophora pistillata, Seriatopora hystrix, Acropora formosa, A. tenuis and A. millepora) were examined in the Lizard Island lagoon. Additionally, the differences in fish communities supported by 3 coral species (P. cylindrica, E. horrida, H. rigida) were investigated at 3 spatial scales of sampling (2x2 m, 1x1 m, 0.5x0.5 m). Substantial differences in fish communities were observed across the different coral species, with E. horrida and H. rigida supporting the most fish species and individuals. Coral species explained more of the variability in fish species richness (20.9-53.6%), than in fish abundance (0-15%). Most coral species supported distinctive fish communities, with dissimilarities ranging from 50 to 90%. For 3 focal coral species, a greater amount of total variation in fish species richness and fish abundance was evident at a larger scale of sampling. Together, these results indicate that the structure of reef fish communities is finely tuned to coral species. Loss of preferred coral species could have profound effects on reef fish biodiversity, more so than would be predicted on the basis of declining coral cover alone.
Figure 33 in Diversity, distribution and community composition of fish in perialpine lakes – "Projet Lac" synthesis report
Figure 33: Abramis brama (above) and Blicca bjoerkna (below) from Lake Biel.
Data from 'The rise of dietary diversity in coral reef fishes'
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Supplementary information for the article entitled "Trait diversity in exploited fish of the Azorean islands: Insights from a multifunctional approach"
<p><span>Supplementary information for the article entitled "Beyond fishing: exploring the traits diversity of landing fishes in the Azores" by the authors Eudriano F.S. Costa, Gui Menezes and Ana Colaço.</span></p> <p><span> </span><span>Histograms of simulated and standardized differences calculated between local and coastal fishing in each functional diversity metric for combined trait modalities (fold:1_Histograms_Local_Costal_Combined_Modalities), across functional modality (fold: 2_Histograms_Local_coastal_by_Modality) and across decade pairs (fold: 3_Histograms_Local_Costal_Decade_Pair). P-vales indicate the significance of the difference between fishing types for each metric. The p-value was calculated as the proportion of simulated differences (diff(Local-Coastal)) values that were greater than absolute value of the observed difference (diff(Local-Coastal)).</span></p>
Figure 1 in Fish Diversity and Distribution in the Aksu River Estuary (Antalya- Turkey), in Relation to Environmental Variables
Figure 1. Water quality parameters per station and per sampling month of Aksu Estuary.
Figure 2 from: Qin J, Liu X, Xu Y, Wu X, Ouyang S (2019) Beta diversity patterns of fish and conservation implications in the Luoxiao Mountains, China. ZooKeys 817: 73-93. https://doi.org/10.3897/zookeys.817.29337
Figure 2 Fish composition from the streams of the Luoxiao Mountains.
Figure 1 from: Qin J, Liu X, Xu Y, Wu X, Ouyang S (2019) Beta diversity patterns of fish and conservation implications in the Luoxiao Mountains, China. ZooKeys 817: 73-93. https://doi.org/10.3897/zookeys.817.29337
Figure 1 Map showing the sampling location of the streams of the Luoxiao Mountains.
Figure 2 in An update note on diversity and conservation of the endemic fishes in Iranian inland waters
Figure 2. Endemicity of Iranian freshwater fishes based on family.
Dataset - River geomorphology and fish diversity around the Manseriche Gorge, the last Andean crossing is in peril
<p>The dataset includes the results from the manuscript "River geomorphology and fish diversity around the Manseriche Gorge, the last Andean crossing is in peril", by Abad et al. (2024) submitted to Water Resources Research, AGU.</p>
Fig. 2. Osteoglossum bicirrhosum, 215 in The non-native freshwater fishes of Hong Kong: diversity, distributions, and origins
Fig. 2. Osteoglossum bicirrhosum, 215 mm SL, aquarium trade, photographed by Heok Hui Tan.
Fig. 29. Hemichromis camerounensis, 86.4 in The non-native freshwater fishes of Hong Kong: diversity, distributions, and origins
Fig. 29. Hemichromis camerounensis, 86.4 mm SL, Lower Aberdeen Reservoir.
Fig. 16 in The non-native freshwater fishes of Hong Kong: diversity, distributions, and origins
Fig. 16. Pterygoplichthys sp., Lam Tsuen River, photographed by Tommy C.H. Hui.
Figure 2 in A review of amphidromous freshwater fishes of the Chocó biogeographical region (Colombia and Ecuador): diversity, ecology, fisheries and conservation
Figure 2. – Records of freshwater amphidromous fishes in the Pacific coast of Colombia.
Environmental DNA effectively captures functional diversity of coastal fish communities
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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.