Anotopterus nikparini
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The North Pacific Daggertooth, 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.<ref>Kukuev, E.I., 1998. Systematics and distribution in the world ocean of daggertooth fishes of the genus Anotopterus (Anotopteridae, Aulopiformes). J. Ichthyol. 38(9):716-729.</ref><ref name=fb>Froese, R. and D. Pauly, Editors. Anotopterus nikparini. FishBase. 2015.</ref>
Etymology
The fish is named in honor of ichthyologist Nikolai Vasil’evich Parin (1932–2012), of the Russian Academy of Sciences.<ref name = ETYFish>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>
Distribution
This fish can be found near the surface to depths below 2000 meters. Populations in colder regions are mainly larger, older adults.<ref name=fb/>
Food chain
This species feeds on molluscs, crustaceans, marine worms, salps, and fish.<ref name=fb/> It is an important predator of Pacific salmon.<ref>Nagasawa, K., Azumaya, T., & Yoshida, Y. (2002). Impact of predation by salmon sharks (Lamna ditropis) and daggertooth (Anotopterus nikparini) on Pacific salmon (Oncorhynchus spp.) stocks in the North Pacific Ocean. NPAFC Technical Report No. 4.</ref> In turn, it is a prey item for whales and large fish such as albacore, lancetfish, halibut, steelhead, pomfret, and blue shark.<ref name=fb/>