Elastic energy storage in the mantis shrimp's fast predatory strike

The Journal of Experimental Biology
T I ZackS N Patek

Abstract

Storage of elastic energy is key to increasing the power output of many biological systems. Mantis shrimp (Stomatopoda) must store considerable elastic energy prior to their rapid raptorial strikes; however, little is known about the dynamics and location of elastic energy storage structures in this system. We used computed tomography (CT) to visualize the mineralization patterns in Gonodactylaceus falcatus and high speed videography of Odontodactylus scyllarus to observe the dynamics of spring loading. Using a materials testing apparatus, we measured the force and work required to contract the elastic structures in G. falcatus. There was a positive linear correlation between contraction force and contraction distance; alternative model tests further supported the use of a linear model. Therefore, we modeled the system as a Hookean spring. The force required to fully compress the spring was positively correlated with body mass and appendage size, but the spring constant did not scale with body size, suggesting a possible role of muscle constraints in the scaling of this system. One hypothesized elastic storage structure, the saddle, only contributed approximately 11% of the total measured force, thus suggesting that primary sit...Continue Reading

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Citations

Feb 27, 2015·Proceedings. Biological Sciences·P S L Anderson, S N Patek
Nov 21, 2012·PLoS Computational Biology·C David WilliamsThomas L Daniel
Dec 16, 2016·Scientific Reports·Maya S deVriesJennifer R A Taylor
Jan 20, 2017·Proceedings. Biological Sciences·Martha M MuñozS N Patek
Dec 9, 2015·The Journal of Experimental Biology·K Kagaya, S N Patek
Jan 18, 2018·Advanced Materials·Lessa Kay GrunenfelderDavid Kisailus
Jun 21, 2016·Journal of Experimental Zoology. Part A, Ecological Genetics and Physiology·Jeffrey A ScalesStephen M Deban
Mar 21, 2019·The Journal of Experimental Biology·P A GreenS N Patek
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May 30, 2021·Microscopy Research and Technique·Qian ZhaoLuquan Ren
May 12, 2021·Integrative and Comparative Biology·Maya S deVriesJennifer R A Taylor
Aug 15, 2021·Proceedings of the National Academy of Sciences of the United States of America·Emma SteinhardtRobert J Wood
May 26, 2011·Journal of Theoretical Biology·M L SmithA Ruina

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