Shark: There are several varieties of sharks on , saltwater and freshwater. The common shark is nine-gilled and its skin is very rough and abrasive. Its body is eel-like, long and narrow. Varieties include river sharks, salt shark, marsh shark, white sharks of the north and the Vosk and Laurius sharks. The salt shark is commonly over twelve feet long, with a sickle-like tail. It has several rows of triangular teeth and a sail-like dorsal fin. It inhabits brine pits such as those of the Tahari region.