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Full-Text Articles in Biology
These Fish Were Made For Walking: Morphology And Walking Kinematics In Balitorid Loaches, Callie Hendricks Crawford
These Fish Were Made For Walking: Morphology And Walking Kinematics In Balitorid Loaches, Callie Hendricks Crawford
Dissertations
Terrestrial excursions have been observed in multiple lineages of marine and freshwater fishes. These ventures into the terrestrial environment may be used when fish are searching out new habitat during drought, escaping predation, laying eggs, or seeking food sources. The physiological demands for life under water and on land are vastly different and require different functional adaptations. Fish with terrestrial excursions must be capable of dealing with the stresses of both aquatic and terrestrial environments for varying periods of time. To deal with these stresses, amphibious fishes exhibit many morphological and behavioral adaptations. These adaptations have led to a range …
Form And Function Of The California Sea Lion (Zalophus Californianus) Hindflippers: Control Surfaces For Subaqueous Maneuvers, Ariel Leahy
West Chester University Master’s Theses
The hindflippers of California sea lions (Zalophus californianus) have previously been overlooked as aquatic control surfaces. Although passively trailed in rectilinear swimming, the hindflippers are abducted into a delta-wing shape during aquatic maneuvers. As the anatomy of sea lion hindflippers had not previously been described, anatomical/morphological examinations were completed via scaled measurements and dissections. It was found that the tendons of Flexor Hallucis Longus and Flexor Digitorum Longus insert into the collagen matrix of the crenellations instead of onto bone and the tendons of Flexor Digitorum Brevis contain foramen through which the tendons of Flexor Digitorum Longus pass. …
Functional Trade-Offs In Feeding Performance In Salamanders Of The Family Salamandridae, Charlotte M. Stinson
Functional Trade-Offs In Feeding Performance In Salamanders Of The Family Salamandridae, Charlotte M. Stinson
USF Tampa Graduate Theses and Dissertations
Performance is an organism’s ability to accomplish a particular task or behavior, and morphology can have a major impact on the performance of an organism. Salamanders are ecologically diverse and can feed using a variety of behaviors depending on the environment in which feeding occurs. Feeding is accomplished through the use of the hyobranchial apparatus, which lies along the oropharynx, and this structure can have competing roles; in aquatic environments the apparatus is used for suction feeding and works to depress the floor of the mouth, but during terrestrial feeding this structure projects the tongue forward out of the mouth. …