Ephyrae rhopalium numbers and observations of the up-side down jellyfish Cassiopea (Cnidaria: Scyphozoa)

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dc.contributor.authorKaneshiro-Pineiro, Mahealani Y.
dc.date.accessioned2011-07-22T00:16:09Z
dc.date.available2011-07-22T00:16:09Z
dc.date.issued2007
dc.description.abstractJellyfish rhopalia are gravity sensory organs located on the margin of the animal's bell. Rhopalia are therefore associated with jellyfish behaviors such as swimming, pulsing, and orientation. Often these rhopalium numbers are fixed in the medusa phase of its life cycle and vary among different species of jellyfish. Rhopalium development was documented in developing Cassiopea sp. jellyfish. These ephyrae were observed on a weekly basis until rhopalium numbers remained constant. It was observed that developing rhopalia can occur with natural structural precursors or de novo. Further results showed that there is high variation between clonal ephyrae in regards to the final rhopalium numbers. These observations support the research performed on clonal Aurelia ephyrae.
dc.description.degreeM.S.
dc.identifier.urihttp://hdl.handle.net/10125/20931
dc.languageeng
dc.publisherUniversity of Hawaii at Manoa
dc.relationTheses for the degree of Master of Science (University of Hawaii at Manoa). Zoology (Ecology, Evolution and Conservation Biology); no. 4171
dc.rightsAll UHM dissertations and theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission from the copyright owner.
dc.subjectScyphozoa--Physiology
dc.subjectScyphozoa--Behavior
dc.titleEphyrae rhopalium numbers and observations of the up-side down jellyfish Cassiopea (Cnidaria: Scyphozoa)
dc.typeThesis
dc.type.dcmiText

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