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Keywords: jellyfish
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Journal Articles
J Exp Biol (2023) 226 (18): jeb245955.
Published: 27 September 2023
... distinct siphonophore jellyfish shows that metachronal coordination of pulsed jets produced by nectophores affects how jet wakes interact, and thus how they may be optimized for propulsion. Cnidarian Jellyfish Metachronal Multi-jet propulsion Zooplankton David and Lucile Packard...
Includes: Supplementary data
Journal Articles
J Exp Biol (2021) 224 (12): jeb222083.
Published: 17 June 2021
.... Squid Jellyfish Salps Swimming efficiency Pulsed jets Particle image velocimetry Animal locomotion and the impact of the fluid environment on the evolution of body forms in swimming animals has long been a focus of evolutionary and functional biologists (e.g. Thompson, 1961 ; Vogel, 2013...
Journal Articles
J Exp Biol (2019) 222 (16): jeb207654.
Published: 23 August 2019
... with supervised machine learning (ML) to propose a pipeline for studying in situ behavior of larger zooplankton such as jellyfish. We deployed the ITAG, a biologging package with high-resolution motion sensors designed for soft-bodied invertebrates, on eight Chrysaora fuscescens in Monterey Bay, using the tether...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (1): jeb168575.
Published: 11 January 2018
... 2018 Summary: The use of passive energy recapture is widespread among medusae and its extent is regulated primarily through the pause duration between swimming cycles. Efficiency Jellyfish Cost of transport Bioengineering The interaction between animals and the surrounding...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (13): 2331–2337.
Published: 1 July 2014
... of Biologists Ltd 2014 Endothermy Dermochelys coriacea Jellyfish Diving Reptile Specific dynamic action Leatherback turtles, Dermochelys coriacea (Vandelli 1761), forage on gelatinous zooplankton in temperate waters of the North Atlantic Ocean during the summer and autumn ( James et al...
Journal Articles
Journal Articles
J Exp Biol (2011) 214 (8): 1215–1223.
Published: 15 April 2011
... and neuronal condensation into ganglion-like structures represent more centralized integrating centers. In some jellyfish, this relegates nerve nets to motor distribution systems. The neuronal condensation follows a precept of neuronal organization of higher animals with a relatively close association...
Journal Articles
J Exp Biol (2010) 213 (23): 3961–3971.
Published: 1 December 2010
... Knolls and the North Carolina Aquarium at Fort Fisher, respectively, provided the jellyfish used for laboratory simulations. Joe Correia and George Purmont located an Mk10-AL in the sea off New York and returned this instrument to our research team. Special thanks to Dr Molly Lutcavage for her support...
Journal Articles
J Exp Biol (2010) 213 (8): 1217–1225.
Published: 15 April 2010
... on the basis of measurements of the animal–fluid interactions. We report the identification of a robust, fluid dynamic correlate of distinct ecological functions in seven jellyfish species that represent a broad range of morphologies and foraging modes. Since the comparative study is based on properties...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2008) 211 (21): 3467–3477.
Published: 1 November 2008
...Richard A. Satterlie SUMMARY The subumbrella of the hydrozoan jellyfish Aequorea victoria (previously classified as Aequorea aequorea ) is divided by numerous radial canals and attached gonads, so the subumbrellar musculature is partitioned into subumbrellar segments. The ectoderm of each segment...
Journal Articles
J Exp Biol (2008) 211 (16): 2566–2575.
Published: 15 August 2008
... ) 7 5 2008 © The Company of Biologists Limited 2008 2008 diving behaviour gelatinous zooplankton jellyfish diel vertical migration foraging migration Deep diving behaviour is well documented for a wide range of air-breathing marine vertebrates including pinnipeds (e.g. Le...
Journal Articles
J Exp Biol (2006) 209 (11): 2025–2033.
Published: 1 June 2006
...John O. Dabiri; Sean P. Colin; John H. Costello SUMMARY Fast-swimming hydromedusan jellyfish possess a characteristic funnel-shaped velum at the exit of their oral cavity that interacts with the pulsed jets of water ejected during swimming motions. It has been previously assumed that the velum...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2005) 208 (20): 3819–3834.
Published: 15 October 2005
...William M. Megill; John M. Gosline; Robert W. Blake SUMMARY Hydromedusan jellyfish swim by rhythmic pulsation of their mesogleal bells. A single swimming muscle contracts to create thrust by ejecting water from the subumbrellar cavity. At the end of the contraction, energy stored in the deformation...
Journal Articles
J Exp Biol (2005) 208 (13): 2475–2482.
Published: 1 July 2005
...Erik V. Thuesen; Ladd D. Rutherford, Jr; Patricia L. Brommer; Kurt Garrison; Magdalena A. Gutowska; Trisha Towanda SUMMARY Populations of jellyfish are known to thrive in many low oxygen environments, however, the physiological mechanisms that permit these organisms to live in hypoxia remain...
Journal Articles
J Exp Biol (2005) 208 (7): 1257–1265.
Published: 1 April 2005
...John O. Dabiri; Sean P. Colin; John H. Costello; Morteza Gharib SUMMARY Flow patterns generated by medusan swimmers such as jellyfish are known to differ according the morphology of the various animal species. Oblate medusae have been previously observed to generate vortex ring structures during...
Journal Articles
J Exp Biol (2003) 206 (22): 4125–4137.
Published: 15 November 2003
... propulsion in the jellyfish Aurelia aurita and to explore how such changes affect the ontogenetic scaling of swimming speed and cost of transport. We measured the kinematics of jellyfish swimming from video recordings and simulated the hydrodynamics of swimming with two computational models that calculated...
Journal Articles
J Exp Biol (2003) 206 (20): 3675–3680.
Published: 15 October 2003
... a case study of the scyphozoan jellyfish Chrysaora fuscescens to isolate and quantify the sensitivity of dynamic models to common kinematic approximations. It is found that dynamic models exhibit strong dependence on the nature of some approximations and the context in which they are implemented...
Journal Articles
J Exp Biol (2002) 205 (3): 427–437.
Published: 1 February 2002
... foraging drag shape function kinematics wake structure feeding jet propulsion jellyfish swimming. Jet propulsion has commonly been described as the principal thrust-generating mechanism underlying swimming by planktonic medusae ( Brusca and Brusca, 1990 ; Denny, 1993 ; Vogel, 1994...
Journal Articles
Journal Articles