Author

Contributions

  • United States. National Marine Fisheries Service. - Contributor

Publication

2007 - U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Silver Spring, Md, Maryland

Language

English

Word Count

11,500 words, Guess

Page Count

46 pages

Identifiers

Description

In the Aleutian Islands ecosystem, food habits of many noncommercial species such as skates have not been studied. This study provides the basic information on food habits and diet overlap of 7 skate species found in the Aleutian Islands area. These species include the Aleutian skate (Bathyraja aleutica), big skate (Raja binoculata), Bering skate (B. interrupta), Alaska skate (B. parmifera), black skate (B. trachura), mud skate (B. taranetzi), and whiteblotched skate (B. maculata). Small skates (black skates, Bering skates, and mud skates)ate mainly polychaetes, mysids, isopods, and gammarid amphipods.Larger skates (big skates, Aleutian skates, whiteblotched skates,and Alaska skates) fed primarily on Atka mackerel, walleyepollock, other miscellaneous fish, crabs, and shrimp.

Subjects

Topics

FoodFishesHabitatResearchManagementSkates (Fishes)Skate fisheries

Series Statement

  • NOAA technical memorandum NMFS-AFSC -- 177.

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