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Wolf Eel

The wolf eel, Anarrhichthys ocellatus, thrives in North Pacific rocky crevices. With a serpentine body and strong jaws, it preys on shellfish. These gentle giants often form monogamous pairs and play a key role in controlling sea urchin populations, supporting kelp forest health.

25 years
Lifespan
18.597 kg
Weight
Length: 2.4384 m
Size
Brown, Grey, Green
Color
Least Concern
Conservation Status
Unknown
Population Trend
Characteristics
Anarrhichthys ocellatus, commonly known as the wolf eel, is a unique marine species found in the North Pacific Ocean. It inhabits rocky crevices and kelp beds, often at depths of 20-200 meters. Distinguished by its elongated body and powerful jaws, it preys on sea urchins, crabs, and mollusks. Notably, wolf eels exhibit a monogamous pairing behavior and are known for their gentle disposition towards divers.
Distribution Range of the Wolf Eel
Anarrhichthys ocellatus, commonly known as the wolf eel, is native to the northeastern Pacific Ocean. Its geographical distribution ranges from the Aleutian Islands in Alaska, USA, down to Baja California, Mexico. This species is predominantly found along the continental shelf of the North American coast.
Wolf Eel's Habitat
Environmental Conditions
The wolf eel typically inhabits rocky reef environments and is known to dwell in crevices and caves within these structures. It can be found at depths ranging from shallow waters of about 10 meters to deeper areas of 226 meters. The species thrives in cold temperate marine waters with temperatures generally between 7 to 15 degrees Celsius.
Ecological Niche
Anarrhichthys ocellatus occupies a specific ecological niche where it acts as both a predator and scavenger. It feeds on a variety of invertebrates, including sea urchins, crabs, and mollusks, contributing to the control of these populations in its habitat. The species' preference for rocky substrates provides it with protection from predators and harsh environmental conditions, allowing it to play a crucial role in the benthic community structure.