Anotopterus nikparini is a species of fish in the family Anotopteridae, the daggertooths.

It is native to the northern Pacific Ocean, where it occurs as far north as the Bering Sea and as far south as Japan and Baja California.

Populations in colder regions are mainly larger, older adults.

[1] This species feeds on molluscs, crustaceans, marine worms, salps, and fish.

[2] In turn, it is a prey item for whales and large fish such as albacore, lancetfish, halibut, steelhead, pomfret, and blue shark.