Fish Swimming
Fish Swimming - Related Videos
05:12
Swimming Performance Assessment in Fishes
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Cited by 56 •
2011
The lives of the majority of fish are predicated on swimming. This protocol describes techniques for capturing a range of swimming modes available to individual and schooling fish, and includes metrics associated with swimming physiology and behaviour.
10:56
Long-term Behavioral Tracking of Freely Swimming Weakly Electric Fish
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Cited by 15 •
2014
We describe a set of techniques for studying spontaneous behavior of freely swimming weakly electric fish over an extended period of time, by synchronously measuring the animal's electric organ discharge timing, body position and posture both accurately and reliably in a specially designed aquarium tank inside a sensory isolation chamber.
16:21
Quantifying Fish Swimming Behavior in Response to Acute Exposure of Aqueous Copper Using Computer Assisted Video and Digital Image Analysis
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Cited by 29 •
2016
Measuring the impacts of environmental contaminants on fish behavior is often subjective and challenging particularly when dealing with sublethal endpoints. We describe methods including video technology to quantify swimming behavior of early life stage white sturgeon (Acipenser transmontanus) during and after 96 hr acute exposures to various concentrations of copper.
06:19
The Mouse Forced Swim Test
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Cited by 535 •
2012
The forced swim test is validated as an experimental approach to assess potential antidepressant efficacy in rodents. Experimental animals are placed in a tank of water and escape-related mobility behavior is quantified. The common procedures for the mouse version of this test are described.
10:14
Wireless Electrophysiological Recording of Neurons by Movable Tetrodes in Freely Swimming Fish
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Cited by 10 •
2019
A novel wireless technique for recording extracellular neural signals from the brain of freely swimming goldfish is presented. The recording device is composed of two tetrodes, a microdrive, a neural data logger, and a waterproof case. All parts are custom-made except for the data logger and its connector.
FAQs
Alternating contractions create traveling waves of body curvature that bend the trunk and tail in sequence. As the caudal fin moves against the surrounding water, it produces thrust that propels the fish forward. The effectiveness of this mechanism depends on coordinated muscle activity, body flexibility, caudal-fin movement, and the flow conditions surrounding the fish.
Paired fins contribute primarily to steering, stability, and braking. Their movements help a fish adjust its direction and maintain controlled motion while the trunk and caudal fin provide much of the propulsive force. This division of function allows swimming to combine forward movement with precise changes in orientation and speed.
Buoyancy helps a fish remain suspended in the water instead of continuously generating force to prevent sinking. By reducing the effort required for vertical support, it can lower the energy demands associated with remaining in place or moving through its environment. Buoyancy therefore complements muscle-driven propulsion and influences swimming performance.
Swimming performance reflects the interaction of body shape, fin design, muscle activity, and surrounding flow conditions. These factors affect how efficiently muscular movements transfer force to the water and how effectively fins provide control. Comparing them helps biologists relate differences in swimming ability to adaptation and the functional demands of aquatic environments.
Biologists examine the relationship between swimming mechanisms and features such as body form, fins, and muscle activity. They can use these relationships to interpret how fishes meet demands linked to feeding, predator escape, migration, and reproduction. Such comparisons also provide evidence for understanding adaptation, locomotion, and the evolution of aquatic vertebrates.
Fish swimming research connects locomotor performance with major biological behaviors, including obtaining food, avoiding predators, migrating, and reproducing. Studying how propulsion, control, buoyancy, body shape, and flow conditions interact helps explain how movement supports these activities. The resulting perspective links mechanical performance to ecological behavior and survival in aquatic environments.