Wolf eel, distributed in the North Pacific Ocean. It is a deep-sea fish that usually lives on the seabed about 200 meters below sea level.

Wolf eels are 2-2.5 m long and weigh 15–20 kg. It is most characteristic of having a large head, as well as sharp teeth.
Ratio of wolf eels to humans.
The skull of the wolf eel.
Wolf eels are aggressive and often hide in burrows to ambush prey.
Wolf eels are carnivorous fish that feed on sea urchins, crabs, lobsters, octopuses and a variety of shellfish, and its sharp fangs and powerful jaws can easily bite crustaceans.
The front of the wolf eel resembles a terrifying human face.
Female wolf eels lay 7,000-10,000 eggs at a time, cared for by both parents, and hatch for about 13-16 weeks.
After birth, the juveniles will drift in shallow seas for about 2 years, and the habitat gradually moves towards the deep sea as they age.