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The walleye pollack is a key species to Alaska's fisheries. The pollack is a cod, and is multicolored, ranging from brown, green, silver, and white. The walleye pollack can grow up to 3 and a half feet and weight up to 13.3 pounds and is also called the fake Walleye. [53] [54]
Alaska pollock is the world's second most important fish species, after the Peruvian anchoveta, in terms of total catch. [33] Alaska pollock landings are the largest of any single fish species in the U.S, with the average annual Eastern Bering Sea catch between 1979 and 2022 being 1.26 million metric tons. [34]
The orca (Orcinus orca), or killer whale, is a toothed whale and the largest member of the oceanic dolphin family. It is the only extant species in the genus Orcinus and is recognizable by its black-and-white patterned body. A cosmopolitan species, it is found in diverse marine environments, from Arctic to Antarctic regions to tropical seas.
Northern resident orcas, also known as northern resident killer whales (NRKW), are one of four separate, non-interbreeding communities of the exclusively fish-eating ecotype of orca in the northeast portion of the North Pacific Ocean.
The whales eat amphipod crustaceans like tiny shrimp and worms, which they consume by sucking up water and sediment from the seafloor, where such creatures live, then using their baleens to filter ...
Orca hunting a Weddell seal. The orca is known to prey on numerous other toothed whale species. One example is the false killer whale. [69] To subdue and kill whales, orcas continually ram them with their heads; this can sometimes kill bowhead whales, or severely injure them. Other times, they corral their prey before striking.
The earliest recorded post-colonization interactions between Salish Sea orcas and humans occurred in the early 1960s, when fishermen in Seymour Narrows, near Campbell River, BC, began to complain of orcas taking salmon from nets and interfering with fishing operations. At the time, orcas were not only viewed as costly competition with fishermen ...
[citation needed] Some scientists think this decline in Alaska pollock could repeat the collapse experienced by Atlantic cod, which could have negative consequences for the entire Bering Sea ecosystem. Salmon, halibut, endangered Steller sea lions, fur seals, and humpback whales eat pollock and depend on healthy populations to sustain ...