Wolf fish

Japanese: wolf fish（英語表記）wolffish

...A marine fish of the Perciformes family, family Ophiopogonidae (illustration). It is a cold-water fish that is found in Alaska, the Bering Sea, the Sea of Okhotsk, and Sakhalin. In Japan, it is found in a narrow area, mainly along the coast of the Sea of Okhotsk in Hokkaido. Its English name is said to come from the fact that it has powerful conical canines in the front of both jaws, giving it a wolf-like appearance, and its Japanese name is also derived from this English name. Another major characteristic is the presence of large molars on the sides of both jaws, the vomer, and the palatine bone, which it uses to crush and eat bivalves and snails, as well as large crustaceans. ...

From 【Mizuuo (water fish)】

…They have huge mouths and tine-like teeth, and eat fish, squids, octopuses, shrimp, etc. Their English names, lancetfish, handsaw fish, and wolf fish, come from their shape and habits. Their bodies are long and slender. …

*Some of the terminology that mentions "wolf fish" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…スズキ目オオカミウオ科の海産魚（イラスト）。寒海性の魚で，アラスカ，ベーリング海，オホーツク海，サハリンなどに分布している。日本では北海道のオホーツク海沿岸を中心とした狭い範囲に分布している。英名は両あご前部に強大な円錐状の犬歯があり，容貌がオオカミに似ていることに由来するといわれ，和名もこの英名による。また，両あごの側部，鋤骨（じよこつ），口蓋骨（こうがいこつ）に粗大な臼歯（きゆうし）のあることが大きな特徴で，これを用いて二枚貝や巻貝をくだいて食べたり，大型の甲殻類を食べる。…