ArticleJournal of the Royal Society, Interface2014
Escape trajectories are deflected when fish larvae intercept their own C-start wake.
Article in Journal of the Royal Society, Interface, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 37 citations in OpenAlex.
- Hydrodynamical Fingerprint of a Neighbour in a Fish Lateral Line.Frontiers in robotics and AI · 2022Article
- Fishes regulate tail-beat kinematics to minimize speed-specific cost of transport.Proceedings. Biological sciences · 2021Article
- Burst-and-coast swimmers optimize gait by adapting unique intrinsic cycle.Communications biology · 2021Article
- Experimental-numerical method for calculating bending moments in swimming fish shows that fish larvae control undulatory swimming with simple actuation.PLoS biology · 2020Article
- On the energetics and stability of a minimal fish school.PloS one · 2019Article
- Fish larvae exploit edge vortices along their dorsal and ventral fin folds to propel themselves.Journal of the Royal Society, Interface · 2016Article
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Authors and funding
4 authors at 3 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Fish larvae may intercept their own wake during sharp turns, which might affect their escape performance. We analysed C-starts of larval zebrafish (Danio rerio, Hamilton, 1822) using a computational fluid dynamics approach that simulates free swimming (swimming trajectory is determined by fluid forces) by coupling hydrodynamics and body dynamics. The simulations show that fish may intercept their own wake when they turn by 100-180°. During stage 1 of a C-start, the fish generates a strong jet at the tail that is shed into the wake. During stage 2, the fish intercepts this wake. Counterfactual simulations showed that wake interception increased the lateral force on the fish and reduced the fish's turning angle by more than 5°. Wake interception caused no significant acceleration tangential to the trajectory of the fish and did not affect total power output. While experimental and simulation evidence suggests that fish larvae can either undershoot or intercept but not overshoot their wake, our simulations show that larger fish might be able to avoid intercepting their wake by either under- or overshooting. As intercepting its own wake modifies the fish's escape trajectory, fish should account for this effect when planning their escape route.
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