Michael A. Fath
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View article: Patterns of dermal denticle loss in sharks
Patterns of dermal denticle loss in sharks Open
As they grow, sharks both replace lost denticles and proliferate the number of denticles by developing new (de novo) denticles without prior denticle shedding. The loss and replacement of denticles has potential impacts on the energetic co…
View article: Day and night posture of the bluegill sunfish (<i>Lepomis macrochirus</i>)
Day and night posture of the bluegill sunfish (<i>Lepomis macrochirus</i>) Open
Many animals assume characteristic postures when resting or sleeping. These postures are often stable and can be maintained passively, thus reducing the energy cost for maintaining an unstable posture. For example, many tetrapods lay prone…
View article: Static Stability and Swim Bladder Volume in the Bluegill Sunfish ( <i>Lepomis macrochirus</i> )
Static Stability and Swim Bladder Volume in the Bluegill Sunfish ( <i>Lepomis macrochirus</i> ) Open
Synopsis Static stability is a property inherent to every organism. More stable bodies benefit from a lower energy cost associated with maintaining a desired orientation, while less stable bodies can be more maneuverable. The static stabil…
View article: Static stability and swim bladder volume in the bluegill sunfish <i>Lepomis macrochirus</i>
Static stability and swim bladder volume in the bluegill sunfish <i>Lepomis macrochirus</i> Open
The static stability of a fish in the water is determined by the relative locations of its center of mass and center of buoyancy. These locations may not be constant, but may depend on the volume of the swim bladder. Changes in swim bladde…