Young wolf eel are often orangish with dark areas merging into stripes at the rear of the body. Although they aren't closely related biologically, moray and wolf eels have a number of features in common and are a popular sight for divers. Its common names include Carpet Eel Blenny, Eared Eel Blenny, and Green Wolf Eel. The Wolf Eel is often referred to as a Blenny. The maximum lifespan of a wolf eel is not known. Wolf-eels are believed to mate for life and a pair will occupy the same den year after year and possibly their entire life unless they are forced out by a larger wolf-eel or a Giant Pacific Octopus. The wolf eel blenny has a temperament and size that would prohibit keeping it in most reef tanks. Despite its name, the Wolf Eel is actually a fish. It was given this name because of its powerful jaws and sharp teeth that it uses to crush hard-shelled creatures, such as crabs and abalone. However, it is a pseudochromid (Dottyback). Age at maturity occurs at 4 to 7 years, suggesting these may be long-lived fish. Picture courtesy Outdoor Writers Association of California. A moray eel is a true eel (family Muraenidae), whereas a wolf eel is a member of the wolffish family (family Anarhichadidae). Around two hundred species of moray eels exist but only one species of wolf eel. Size range: The Wolf Eel has been found to grow up to an average of 2 meters (8 feet) in length. Wolf fishes: Family Anarhichadidae. The adult Wolf Eel ranges from light brown to dark gray in colour, with a long, dot-covered body. Called doctorfish in Alaska, lo’l, lo’ox, or st’aaxaam in British Columbia. The Wolf Eel mates for life and prefers to spend its time in tight caves and crevices. The wolf is the largest extant member of Canidae, males averaging 40 kg (88 lb) and females 37 kg (82 lb). Species: Anarrhichthys ocellatus (Ayres, 1855); from the Greek word anar-hichas (an ancient name for a fish which resembled this species) and the Latin word ocellatus (eye-like spots).. Alternate Names: Moray eel. Its body is a brownish color with highlights of green. It was kept alive in … Identifying features: Sometimes referred to as the “Ugly old man of the sea,” the Wolf Eel has a bulbous head with a strong jaw and sharp teeth. Rather the Wolf Eel is related to wolffishes, a group of bottom-dwelling carnivores that hide on the rocky ocean bottom. Liveaquaria suggests a minimum tank size of 125 gallons, while many other sources suggest a minimum of 50. It requires a 125 gallon or larger aquarium with plenty of hiding places. In fact, I highly recommend this fish be kept with other larger aggressive fish that cannot fit into its cavernous mouth; however, wolf eels generally do best in a species-only tank. 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