Cited by 46Marine Invertebrate Physiology and EcologyBiomimetic flight and propulsion mechanismsEchinoderm biology and ecology

Transitions in Morphology, Nematocyst Distribution, Fluid Motions, and Prey Capture During Development of the Scyphomedusa Cyanea capillata

Higgins, J. E., Ford, M. D., Costello, J. H.·2008·The Biological Bulletin

Abstract

Like that of most scyphozoans, the ontogeny of Cyanea capillata medusae involves substantive alterations in feeding structures and mechanics. We used video and optical microscopy approaches to quantify these ontogenetic changes in morphology, flow, and feeding of C. capillata medusae. We found that alterations in gross morphology and nematocyst distributions coincided with a shift from prey capture on the manubrium or lappets of ephyrae (bell diameter 0.2-0.4 cm) to capture primarily on the tentacles in adult medusae (diameter >1.0 cm). These changes occurred within a hydrodynamic framework that itself changed due to medusan growth. Viscous forces were important in flows around small ephyrae (maximum Re <10(1)), whereas viscosity was less influential in the inertially dominated flows around adult medusae (Re > 10(2)). The relative timing of these events indicates that ontogenetic processes are closely synchronized with alterations in the hydrodynamic environment within which C. capillata medusae develop.

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Crossref · 10.2307/25066657

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Authors
Higgins, J. E., Ford, M. D., & Costello, J. H.
Affiliations
  • National Oceanic and Atmospheric Administration (US)
  • Providence College (US)
Venue
The Biological Bulletin
Published
2008-02
Volume
214
Issue
1
Pages
29-41
ISSN
  • 0006-3185 (ISSN-L)
  • 1939-8697
OpenAlex
W2269308590
Cited by
45
References
38
Citations by year
2026: 1 · 2025: 1 · 2024: 3 · 2023: 1 · 2022: 5 · 2021: 3 · 2020: 1 · 2019: 6 · 2018: 2 · 2017: 1 · 2016: 3 · 2015: 5 · 2014: 1 · 2012: 1
FWCI
2.52
Type
journal article
Language
en
Open access
closed
Locations
  • Biological Bulletin (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Physical Sciences › Earth and Planetary Sciences › Paleontology › Marine Invertebrate Physiology and Ecology
  • Physical Sciences › Engineering › Aerospace Engineering › Biomimetic flight and propulsion mechanisms
  • Life Sciences › Agricultural and Biological Sciences › Aquatic Science › Echinoderm biology and ecology
Keywords
Cyanea capillata, ontogeny, medusa development, prey capture, hydrodynamics, viscous flow, inertial flow, manubrium, tentacles, ephyrae, feeding structures, jellyfish
MeSH terms
Animals, Motor Activity, Predatory Behavior, Scyphozoa

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