Scary freshwater fish! [photos]

H μύραινα or λάμπραινα (lamprey) is a marine species that lives in rivers and χειμάρους of north America and the sea (in the Mediterranean and the Atlantic), and is distinguished for its strange appearance, especially for…
the terrifying mouth of consisting of several rows of “teeth”. It looks like on the outside with eel, while the mouth of the uses for a stick like a sucker onto other fish, feeding on their blood.
More specifically, it opens with the teeth of a hole in the flesh of selected fish and then “connected” with him, thereby causing great damage to the fisheries, especially the trout. Furthermore, with the mouth of the μύραινα opens holes in the bottom of the river, exerting a strong suction in the sand and the pebbles, where it leaves its eggs. It belongs to the family Πετρομυζοντιδών, including about 40 species, while it is distinguished in river and marine μύραινα.