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464 results for “Swimming”
Data for: European seabass show variable responses in their group swimming features after tag implantation
<p>Data for: European seabass show variable responses in their group swimming features after tag implantation</p><p>Please read the README.txt file before working with the data.</p>
Figure 2 in Swimming depth and behaviour of newly recruiting post-larvae of Sicyopterus japonicus (Gobioidei: Sicydiinae) in the estuary of the Ota River, Wakayama, Japan
Figure 2. – Map of the study area the estuary of the Ota River, Wakayama, Japan with the closed and opened (river mouth) stars showing starting and end points of underwater observation. Observations were not conducted in the shaded area on the right side because larvae avoided those areas.
Data from: A laser-equipped tunnel for the assessment of multiple burst swimming traits in fishes
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Data from: Body shape and mode of propulsion do not constrain routine swimming in coral reef fishes
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Data from: Patterns of sperm swimming behaviour depend on male mating tactic and spawning environment in chinook salmon
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Convergence of undulatory swimming kinematics across a diversity of fishes
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Data from: Form-function relationships within species are uncoupled from those across species in swimming and jumping performance in arboreal frogs
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Mantis shrimp locomotion: coordination and variation of hybrid metachronal swimming
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Swimming and defense - competing needs across ontogeny in armored fishes (Agonidae)
<p>Biological armors are potent model systems for understanding the complex series of competing demands on protective exoskeletons; after all, armored organisms are the product of millions of years of refined engineering under the harshest conditions. Fishes are no strangers to armor, with various types of armor plating common to the 400 million years of evolution in both jawed and jawless fishes. Here we focus on the poachers (Agonidae), a family of armored fishes native to temperate waters of the Pacific rim. We examined armor morphology, body stiffness, and swimming performance in the Northern Spearnose Poacher (<i>Agonopsis vulsa</i>) over ontogeny. As juveniles, these fishes make frequent nocturnal forays into the water column in search of food, while heavily armored adults are bound to the benthos. Most armor dimensions and density increase with body length, as does body stiffness. Juvenile poachers have enlarged spines on their armor whereas adults invest more mineral in armor plate bases. Adults are stiffer and accelerate faster than juveniles with an anguilliform swimming mode. Subadults more closely approximate adults more than smaller juveniles, with regards to both swimming and armor mechanics. Poacher armor serves multiple functions over ontogeny, from facilitating locomotion, slowing sinking, and providing defense.</p>
Swim with the tide: tactics to maximise prey detection by a specialist predator, the greater sea snake (Hydrophis major)
<p><span><span><span><span><span><span><span><span><span><span><span>The fitness of a predator depends upon its ability to locate and capture prey; and thus, increasing dietary specialization should favor the evolution of species-specific foraging tactics tuned to <span><span>taxon</span></span>-specific habitats and cues. Within marine environments, prey detectability (e.g., via visual or chemical cues) is affected by environmental conditions (e.g., water clarity and tidal flow), such that specialist predators would be expected to synchronize their foraging activity with cyclic variation in such conditions. In the present study, we combined behavioral-ecology experiments on captive sea snakes and their prey (catfish) with acoustic tracking of free-ranging sea snakes, to explore the use of waterborne chemical cues in this predator-prey interaction. In coral-reef ecosystems of New Caledonia, the greater sea snake (<i>Hydrophis major</i>) feeds only upon striped eel catfish (<i>Plotosus lineatus</i>). Captive snakes became more active after exposure to waterborne chemical cues from catfish, whereas catfish did not avoid <span><span>chemical</span></span> cues from snakes. Movement patterns of tracked snakes showed that individuals were most active on a rapidly falling tide, which is the time when <span><span>chemical</span></span> cues from hidden catfish are <span><span>likely to be</span></span> most readily available to a foraging predator. By synchronizing foraging effort with the tidal cycle, greater sea snakes may be able to exploit the availability of chemical cues during a rapidly falling tide to maximize efficiency in locating and capturing prey. </span></span></span></span></span></span></span></span></span></span></span></p>
Pectoral fin kinematics and motor patterns are shaped by fin ray mechanosensation during steady swimming in Scarus quoyi
<div class="page"> <div class="layoutArea"> <div class="column"> <p>For many species of fish, rhythmic movement of the pectoral fins, or forelimbs, drives locomotion. In terrestrial vertebrates, normal limb- based rhythmic gaits require ongoing modulation with limb mechanosensors. Given the complexity of the fluid environment and dexterity of fish swimming through it, we hypothesize that mechanosensory modulation is also critical to normal fin-based swimming. Here, we examined the role of sensory feedback from the pectoral fin rays and membrane on the neuromuscular control and kinematics of pectoral fin-based locomotion. Pectoral fin kinematics and electromyograms of the six major fin muscles of the parrotfish, Scarus quoyi, a high-performance pectoral fin swimmer, were recorded during steady swimming before and after bilateral transection of the sensory nerves extending into the rays and surrounding membrane. Alternating activity of antagonistic muscles was observed and drove the fin in a figure-of-eight fin stroke trajectory before and after nerve transection. After bilateral transections, pectoral fin rhythmicity remained the same or increased. Differences in fin kinematics with the loss of sensory feedback also included fin kinematics with a significantly more inclined stroke plane angle, an increased angular velocity and fin beat frequency, and a transition to the body-caudal fin gait at lower speeds. After transection, muscles were active over a larger proportion of the fin stroke, with overlapping activation of antagonistic muscles rarely observed in the trials of intact fish. The increased overlap of antagonistic muscle activity might stiffen the fin system in order to enhance control and stability in the absence of sensory feedback from the fin rays. These results indicate that fin ray sensation is not necessary to generate the underlying rhythm of fin movement, but contributes to the specification of pectoral fin motor pattern and movement during rhythmic swimming.</p> <p> </p> </div> </div> </div>
Statue for swimming pool
Statue for swimming pool. Autor: Vincenc Makovský, Z. Makovský Material: bronze Revelation 1930, 1998. Location: Entrance hall of the Faculty of Economics and Administration of the Masaryk University in Brno Zdeněk Makovský's father's proposal from 1930 was enlarged and cast in bronze. "Plastics for the Pool" was unveiled on 18 June 1998 on the occasion of the ceremonial opening of the new building of the Faculty of Economics and Administration of Masaryk University. Photogrammetry from 296 photos. Source: Objaverse 1.0 / Sketchfab
Supporting data: Functional plasticity of the swim bladder as an acoustic organ for communication in a vocal fish
<div> <p>In this study, we show that the swim bladder of male plainfin midshipman fish (<em>Porichthys notatus</em>) exhibits reproductive state-dependent changes in morphology and function for sound production and reception. We quantified swim bladder morphometrics and utilized psuedolandmarking to identify differences in nonreproductive and reproductive male swim bladders. We utilized auditory evoked potential recordings, to measure the auditory sensitivity of saccular hair cells in response to sound pressure levels ranging from 97 - 154 dB re: 1 µPa to determine how the swim bladder contributes to midshipman auditory sensitivity. Finally, we used finite element modeling to explore the frequency response of nonreproductive and reproductive male swim bladders.</p> </div>
1940' nobel swimming pool (voxel)
The nobel swiming pool was made in 1940',along with a park and a football stadium, first as only summer swimming pool, later in the eightees the roof was added. This building is located in Bratislava, Slovakia. Its part of "Istrochem" (or Dynamit Nobel chemical plant in 1940') it works from 1873 to 2004, the swiming pool was probably left abandoned from 1989 because the fall of communism. it was used as a storage to 2004, somewhere then the roof was burned down and replaced with plastic one. In 2005 it was bought by my family and i live there now. in 2019 the roof fell to disrepair and the pool itself was filled with dirt, i didnt put the dirt into the model because i like it like this. Source: Objaverse 1.0 / Sketchfab
Azure Swimming Pool Pripyat
Restoration of the legendary pool in Pripyat "Azure".In this model, some details may differ from reality.This is my first work on the creation of the building.Render: Source: Objaverse 1.0 / Sketchfab
Figure 4 in The Design of Solar-Powered Lighting Aid Tool for Swimming Crab (Portunus pelagicus) Fishing - 'SuryaNet' - as an Effort to Preserve Environmental Sustainability
Figure 4. Underwater Light
Figure 1 in The Design of Solar-Powered Lighting Aid Tool for Swimming Crab (Portunus pelagicus) Fishing - 'SuryaNet' - as an Effort to Preserve Environmental Sustainability
Figure 1. Data Collection from Swimming Crab Fishermen in the Eastern Waters of Surabaya
Figure 5 in The Design of Solar-Powered Lighting Aid Tool for Swimming Crab (Portunus pelagicus) Fishing - 'SuryaNet' - as an Effort to Preserve Environmental Sustainability
Figure 5. Solar Panel
Figure 3 in The Design of Solar-Powered Lighting Aid Tool for Swimming Crab (Portunus pelagicus) Fishing - 'SuryaNet' - as an Effort to Preserve Environmental Sustainability
Figure 3. Charging Dock Design
Figure 2 in The Design of Solar-Powered Lighting Aid Tool for Swimming Crab (Portunus pelagicus) Fishing - 'SuryaNet' - as an Effort to Preserve Environmental Sustainability
Figure 2. Surya Net System Placed on the Gillnet Fishing Vessel
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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.