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Ecophysiology of the Fish Associated Dinoflagellate <em>Crepidoodinium cyprinodontum</em>

dc.contributor.advisorStoecker, Diane Ken_US
dc.contributor.authorCooney, Seanen_US
dc.description.abstractI assessed the occurrence of <em>Crepidoodinium cyprinodontum</em> on cyprinodontid and fundulid species in Maryland and Florida waters. Comparison of epibiont load across host taxa revealed <em>Fundulus majalis</em> as the preferred host of <em>C. cyprinodontum</em>. <em>Crepidoodinium cyprinodontum</em> infecting <em>Fun. majalis</em> reached a seasonal peak in epibiont load in summer in Maryland, and winter in Florida. Epibiont density decreased with increasing host (<em>Fun. majalis</em>) length, indicating smaller fish are more prone to colonization by <em>C. cyprinodontum</em>. Both numbers per fish and growth of <em>C. cyprinodontum</em> were influenced by light availability. Biomass based calculations of doubling time indicated that growth of <em>C. cyprinodontum</em> on fish gills appeared to be low at optimum irradiances, suggesting refuge from predation may be a major factor in driving this dinoflagellate to colonize the opercular region of fish. Finally, I documented infections in two previously unknown host species (<em>Fun. similis</em> c.f. and <em>Floridichthys carpio</em>)en_US
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dc.titleEcophysiology of the Fish Associated Dinoflagellate <em>Crepidoodinium cyprinodontum</em>en_US
dc.contributor.publisherDigital Repository at the University of Marylanden_US
dc.contributor.publisherUniversity of Maryland (College Park, Md.)en_US
dc.contributor.departmentMarine-Estuarine-Environmental Sciencesen_US
dc.subject.pqcontrolledBiology, Ecologyen_US

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