Pastinachus sephen (Cowtail Stingray) is a species of Myliobatiformes in the family whiptail stingrays. They are associated with freshwater habitat. Individuals can grow to 183 cm.
Definition: overall repetitive or reflective pattern in the body of one individual of this taxon. eg: bilateral symmetry, rotational symmetry, radial symmetry
Definition: Component found in mineralized skeletal tissue, (a specialized form of biogenic tissue in which the extracellular matrix is mineralized, and which functions in mechanical and structural support.)