Theresa McCaffreyTetra Tech | TETRATECH · Department of Environmental Sciences
Theresa McCaffrey
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3
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September 2017 - April 2020
Publications
Publications (3)
Disproportional changes (i.e. allometry) in shark morphology have been attributed to shifts in function associated with niche shifts in life history, such as in habitat and diet. Photographs of blue sharks ( Prionace glauca , 26-145 kg) were used to analyze changes in parameters of body and fin morphology with increasing mass that are fundamental t...
We explored how the flattened and rounded pectoral disc of the ocellate river stingray (Potamotrygon motoro (Müller and Henle, 1841)) enables them to use the benthic plane during fast-start escape. Escape responses were elicited via prodding different locations around the pectoral disc and were recorded using video. Modulation of pectoral-fin movem...