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464 results for “Swimming”
FIGURE 3 in Monomia lucida sp. nov., a new swimming crab (Crustacea: Decapoda: Portunidae) from the South China Sea
FIGURE 3. Monomia lucida sp. nov., SecONdAry SexuAl cHArAcTerS. MAle PArATyPe CW 42.5 mm (NHMUK 2017.402): A, lefT G1, veNTrAl vieW, TOTAl. B, APex Of G1. FemAle AllOTyPe CW 50.5 mm (MNHN-IU-2014-10083): C, PleON, veNTrAl vieW. D, rigHT vulvA, veNTrAl vieW. ScAle bArS: A—1 mm, B—0.1 mm, C—5 mm, D—2 mm.
FIGURE 1 in Monomia lucida sp. nov., a new swimming crab (Crustacea: Decapoda: Portunidae) from the South China Sea
FIGURE 1. Monomia lucida sp. nov., HAbiTuS ANd cOlOur PATTerN Of freSHly cOllecTed femAle PArATyPe CW 45.2 mm (NHMUK 2017.401). ScAle bArS: 10 mm.
Simulated paired-end reads for "Swimming downstream" workflow (1)
<p>Simulated paired-end reads for "Swimming downstream" workflow</p>
Simulated quantification files for "Swimming downstream" workflow
<p>Simulated quantification files for "Swimming downstream" workflow</p>
Simulated paired-end reads for "Swimming downstream" workflow (3)
<p>Simulated paired-end reads for "Swimming downstream" workflow</p>
Simulated paired-end reads for "Swimming downstream" workflow (2)
<p>Simulated paired-end reads for "Swimming downstream" workflow</p>
Simulated paired-end reads for "Swimming downstream" workflow - uniform coverage (10-12)
<p>Simulated paired-end reads for "Swimming downstream" workflow</p>
Simulated paired-end reads for "Swimming downstream" workflow - uniform coverage (7-9)
<p>Simulated paired-end reads for "Swimming downstream" workflow</p>
FIGURE 3 in Xiphonectes aculeatus sp. nov., a new swimming crab (Crustacea: Decapoda: Portunidae) from Madagascar
FIGURE 3. Xiphonectes aculeatus sp. nov., female holotype (19.5 × 10.6 mm) MNHN-IU-2010-3218. A, dorsal habitus. B, pleon, outer view. C, thoracic sternum and sexual openings, ventral view. Scale bars: A, 5 mm; B, C, 2 mm.
FIGURE 4 in Xiphonectes aculeatus sp. nov., a new swimming crab (Crustacea: Decapoda: Portunidae) from Madagascar
FIGURE 4. Comparative morphology of fifth pereiopod and carapace of three related Xiphonectes. A, B, Xiphonectes latibrachium, male holotype, USNM 29676. C, D, X. aculeatus sp. nov., female holotype, MNHN-IU-2010-3218. E, F, X. paralatibrachium, female paratype, MNHN-B 27957 (E), male holotype, MNHN-IU-2014-4110 (F). Scale bars: A, E, 1 mm; B, C, F, 2 mm; D, 5 mm. Photos A,B, by N. Evans.
FIGURE 1 in Xiphonectes aculeatus sp. nov., a new swimming crab (Crustacea: Decapoda: Portunidae) from Madagascar
FIGURE 1. Xiphonectes aculeatus sp. nov., female holotype (19.5 × 10.6 mm) MNHN-IU-2010-3218. A, dorsal habitus. B, right third maxilliped, external view. C, left chela and carpus, external view. Scale bars: A, C, 5 mm; B, 1 mm.
Data from: Selective regimes and functional anatomy in the mustelid forelimb: diversification toward specializations for climbing, digging, and swimming
Anatomical traits associated with locomotion often exhibit specializations for ecological niche, suggesting that locomotor specializations may constitute selective regimes acting on limb skeletal traits. To test this, I sampled 42 species of Mustelidae, encompassing climbing, digging, and swimming specialists, and determined whether trait variation reflects locomotor specialization by performing a principal components analysis on 14 forelimb traits. In addition to Brownian motion models, three Ornstein–Uhlenbeck models of selective regimes were applied to PC scores describing trait variation among mustelids: one without a priori defined phenotypic optima, one with optima based upon locomotor habit, and one with a single phenotypic optimum. PC1, which explained 43.8% of trait variance, represented a trade-off in long bone gracility and deltoid ridge length vs. long robustness and olecranon process length and distinguished between climbing specialists and remaining mustelids. PC2, which explained 17.4% of trait variance, primarily distinguished the sea otter from other mustelids. Best fitting trait diversification models are selective regimes differentiating between scansorial and nonscansorial mustelids (PC1) and selective regimes distinguishing the sea otter and steppe polecat from remaining mustelids (PC2). Phylogenetic half-life values relative to branch lengths suggest that, in spite of a strong rate of adaptation, there is still the influence of past trait values. However, simulations of likelihood ratios suggest that the best fitting models are not fully adequate to explain morphological diversification within extant mustelids.
FIGURE 1 in Kume tigra, a new genus and new species of carupine swimming crab (Crustacea: Brachyura: Portunidae) from Kume Island, Ryukyu Islands, Japan*
FIGURE 1. Colours in life. Kume tigra n. gen. et sp. a, holotype male, 2.4 × 4.7 mm, RUMF-ZC-1400; b, paratype female (2.9 × 6.1 mm), ZRC 2010.0182.
Size matters, but species do not: no evidence for species-specific swimming performance in co-occurring Great Basin stream fishes
<p>For fishes, swimming performance is an important predictor of habitat use and a critical measure for the design of effective fish passage systems. Few studies have examined burst and prolonged types of swimming performance among several co-occurring species, and swimming performance in many fish communities is undocumented. In this study, we characterize both burst (c-start velocity) and prolonged speed (critical swim speed) across a poorly documented, co-occurring group of stream fishes within the Great Basin of the western USA. We documented the variation in swim speed associated with species, habitat, and body size. Body size had an overwhelming effect on both burst speed and prolonged speed, whereas habitat use, and species identity were not significant predictors. Among species, there is no evidence of a trade-off between burst swim speed and prolonged swim speed. Lack of a trade-off in performance between burst swim speed and prolonged swim speed among species may be due to unexpectedly high prolonged swim speeds exhibited by species that used substrate bracing behaviors. Incorporating body size and variation in behavior, such as substrate bracing behaviors, into fish passage models will likely be sufficient to ensure passage of all species without the need to account for species-specific swimming abilities. However, these results characterize the swimming performance for threatened and common fish species such that other comparisons can be made and species-specific studies can access accurate data.</p>
Figure 3 in A macroscopic free-swimming medusa from the middle Cambrian burgess shale
Figure 3. Phylogenetic position of Burgessomedusa phasmiformis gen. et sp. nov. Bayesian phylogenetic analysis (347 characters, 106 taxa, Mkv + Γ model) showing the position of Burgessomedusa phasmiformis gen. et sp. nov. within Medusozoa. Numbers indicate the posterior probabilities; scale bar indicates the average number of substitutions per site. Nodes with 100% posterior probability are not labelled. Red lines indicate alternative placements for Burgessomedusa.
Figure 4 in A macroscopic free-swimming medusa from the middle Cambrian burgess shale
Figure 4. Medusozoan umbrella morphospace based on umbrella diameter and height. Fineness ratio is umbrella height divided by the diameter. Colour based on the medusozoan class: light purple = Hydrozoa; black = Cubozoa; grey green = Scyphozoa; purple = Burgessomedusa phasmiformis gen. et sp. nov. Data on swimming umbrella dimensions from [27].
Figure 5. Life reconstruction showing a in A macroscopic free-swimming medusa from the middle Cambrian burgess shale
Figure 5. Life reconstruction showing a cluster of Burgessomedusa phasmiformis gen. et sp. nov. swimming above the benthos. This reconstruction is based on the Raymond Quarry Burgess Shale community with clusters of Vauxia sponges represented in the foreground. Artwork by C. McCall.
Figure 2 in A macroscopic free-swimming medusa from the middle Cambrian burgess shale
Figure 2. Morphological details of Burgessomedusa phasmiformis gen. et sp. nov. (a) Close-up of stomach cavity, manubrium, and gonads, ROMIP65781.1. (b) Closeup of tentacles ROMIP65782.2. (c,d) specimen showing disarticulated tentacles (close up in d), ROMIP65791. (e) Close-up of tentacles showing equidistant interspaces, ROMIP65788. (f,g) ROMIP65792, with short tentacles (close up in g) placed under the oral umbrella margin. (h,i), ROMIP65793, with tentacle remnants (close up in i). (j) ROMIP65794, specimen with irregular umbrella margin. (k) ROMIP65795.1, specimen showing tetraradial symmetry. All abbreviations are as in figure 1. Scales = 1 cm.
Figure 1 in A macroscopic free-swimming medusa from the middle Cambrian burgess shale
Figure 1. Size variations and general morpho-anatomical details of Burgessomedusa phasmiformis gen. et sp. nov. (a) Holotype ROMIP65781.1 (close-up in figure 2a). (b) ROMIP65782.2–3, with putative gonads (close-up in figure 2b). (c), ROMIP65783.1, with putative gonads. (d) ROMIP65784, with putative stomach cavity. e,f, specimens with putative gonads ROMIP65785 (e), ROMIP65786 (f). (g) ROMIP65787, with a contracted umbrella. (h) ROMIP65788, with putative gonads (close-up in figure 2e). (i) ROMIP65114.1–3. (j) ROMIP65789. (k) ROMIP65790.1–2. Abbreviations: bm, bell margin; go, gonads; man, manubrium; st, stomach cavity; ten, tentacles. Scale = 2 cm.
SwimXYZ: Annotations and swimming motions in the SMPL format
<p>We introduce SwimXYZ, a synthetic dataset of swimming motions and videos. SwimXYZ contains 3.4 million frames annotated with ground truth 2D and 3D joints, as well as 240 sequences of swimming motions in the SMPL parameters format.</p> <p>You will find here the annotations for all the videos as well as swimming motions in the SMPL format.</p>
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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)
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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.