Atka mackerel


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At·ka mackerel

 (ăt′kə, ät′kə)
n.
A greenling (Pleurogrammus monopterygius) native to northern Pacific waters and valued as a food fish.

[After Atka Island in the central Aleutian Islands.]
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Since then, total groundfish catches have averaged slightly above 100,000 t and are typically about 50% Atka mackerel, 30% Pacific cod, 15% Pacific ocean perch, and 5% other species (Zador, 2014).
We found fishes, particularly Atka Mackerel (Pleurogrammus monopterygius) and snailfishes (Liparidae) to be more important, and hermit crabs and Horsehair Crabs (Erimacrus isenbeckii) to be less important in the Aleutian Islands than in the eastern Bering Sea.
Abstract--The timing and duration of the reproductive cycle of Atka mackerel (Pleurogrammus monopterygius) was validated by using observations from time-lapse video and data from archival tags, and the start, peak, and end of spawning and hatching were determined from an incubation model with aged egg samples and empirical incubation times ranging from 44 days at a water temperature of 9.85[degrees]C to 100 days at 3.89[degrees]C.
The North Pacific Fishery Management Council (NPFMC) has been unable to prevent the decline of species such as pollock, Pacific cod, halibut or Atka mackerel; NPFMC models project significant drops in catch quotas for most groundfish species in the coming years.
Nonetheless, it has been determined that the decline coincides with development and growth of industrialized groundfish fisheries, which target the same prey species that SSL principally use for survival--pollock, Atka mackerel, and Pacific cod.
(7) Groundfish including Walleye pollock and Atka mackerel represent a significant portion of their diet.
An Atka mackerel on display in the Coastal Waters Gallery was brought to the aquarium by a thoughtful charter fishing boat skipper and a customer who knew they had a rare catch after they landed the mackerel near Seal Rock.
Atka mackerel fishing in waters off the islands, known in Japan as the Northern Territories, is also scheduled to start in mid-September, according to the fisheries pact.
Throughout the book, as methods are introduced, they are illustrated with examples based on either hypothetical data (to make a specific point about the analysis) or real data, so that one can learn about Pacific halibut, shrimp in the Gulf of Mexico, Pacific Ocean snappers, various salmon species, Atka mackerel, rougheye rockfish, rainbow trout, yellowfin tuna, walleye pollock, West Coast of North America sablefish, Hudson River striped bass, and others.
Aggressive commercial overfishing of once-abundant pollock, salmon, Atka mackerel, cod, perch and flatfish species have caused the decline of seal and sea lion populations.
The biggest decline will be in flatfish, from 423,308 to 373,140; the relatively small atka mackerel catch, on the other hand, is expected to more than double, from 32,000 to 68,000 tons.
The diet of Steller sea lions consists of several commercially harvested species, including walleye pollock, Atka mackerel, Pleurogrammus monopterygius; Pacific cod, Pacific salmon, and herring, as well as noncom mercially harvested species (e.g.