According to a new study conducted by ichthyologists Dr Ralf Britz of the Natural History Museum and Dr David Johnson of the Smithsonian National Museum of Natural History, the skeleton of the sharksucker fish’s disc is formed in development through the expansion of both the bases of the dorsal fin spines and the distal radial elements of the fin supports. Sharksucker fish with its unusual sucking disc on its head (Dave Johnson) Sharksuckers, also...
