SHARK is a cartilaginous fish, having a skeleton composed of cartilage instead of bone. The most common local species is the spiny DOGFISH (Squalus acanthias), taken commercially under a quota system. Different parts of the fish are utilized for various products, including food, health pills and fertilizer. The sixgill shark (Hexanchus griseus) grows to a maximum size of 4.7 m and 590 kg. Before WWII it was caught commercially (see FISHING, COMMERCIAL) with baited hook for the oil from its huge...

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