The common hagfish Myxine glutinosa is a long, slender, eel-like fish. It is easy recognised by its fin-like fold of skin running continously right around the tail and forward on the lower surface of the body. The hagfish has a single gill pore on either side, just forward of the beginning of the ventral finfold. It has a jawless, lipless mouth that is star-shaped when closed. At the tip of the snout it has a single nasal aperture. There are barbels around the mouth and nasal regions. Myxine glutinosa can vary in colour possibly according to seabed type but is often grayish brown or reddish gray.Myxine glutinosa is a scavenger feeding mainly on dead fish. It is completely blind and finds its food by its greatly specialized olfactory sense. It has a peculiar habit of pouring out slime, from mucus sacs near the abdomen, in disproportionate quantities to its size (Jørgensen et al., 1998).
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