Batoids comprise more than 50% of the chondrichthyan species, and their morphological differences from other chondrichthyans beg many questions about their evolutionary history, which has only recently began to be researched in earnest \cite{Aschliman_2012}. The most striking feature of batoids is their enlarged pectoral fins, which as opposed to sharks which propel themselves with their caudal fin, is used for powering movement. The feature of this investigation, Raja clavata (the thornback ray), like most skates, moves through the ocean using rajiform locomotion, which is a technique of precise pectoral fin undulation to produce waves. This technique, which is unique to the Batoidea superorder, requires large specialised pectoral fins that extend the length of the thornback ray's body, and are fused to the head. This type of locomotion