We are just starting to see man-made submersibles with propulsive fins reminiscent of the pectoral fins in coral reef fishes, turtles, marine birds and mammals e. Madeleine robot turtle  —  , . By incorporating a lift-based oscillatory fin movement into such technology, dramatic reductions could be achieved in the power needed to propel autonomous underwater vehicles of similar size to the fish and other aquatic animals that use this mechanism  ,  —  , .
Meta-data for comparative analysis of the energetic swimming performance of reef fishes, scombrid, and non-scombrid fishes. This study was conducted at Jiigurru , traditional sea country of the Dingaal people.
Westneat and an anonymous reviewer for helpful comments, and M. Noble for illustrations. Wrote the paper: CJF. Browse Subject Areas? Click through the PLOS taxonomy to find articles in your field. Abstract Underwater locomotion is challenging due to the high friction and resistance imposed on a body moving through water and energy lost in the wake during undulatory propulsion.
Introduction Underwater locomotion is challenging due to the high friction and resistance imposed on a body moving through water and energy lost in the wake during undulatory propulsion  — . Results Our study species displayed swimming speeds and energetic profiles at two opposite extremes of the possible performance spectrum for labriform locomotion.
Download: PPT. Figure 1. Rate of oxygen consumption against time in a swimming speed trial. Figure 2. Net cost of swimming for two species of reef fish with alternate pectoral fin shapes,. Figure 3. Comparative energetic swimming performance of bony fishes. Table 1. Discussion Challenging long-held notions about the costs of underwater locomotion  —  , we find coral reef fishes using labriform locomotion can maintain fast swimming speeds without the elevated cost of transport that has been seen in tunas and other scombrid fishes swimming at such high cruising speeds  , .
Supporting Information. Table S1. Acknowledgments This study was conducted at Jiigurru , traditional sea country of the Dingaal people.
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Locomotion, Volume 7 - 1st Edition
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George V. Eliot G. Export citation Add to favorites Get permissions Track citations. Abstract Understanding how fishes generate external fluid force to swim steadily and maneuver has proven to be difficult because water does not provide a stable platform for force measurement. Download figure Download PowerPoint. References 1 Cavagna GA. Force platforms as ergometers.
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