Species Associations of Benthic Fishes on the Continental Shelf and Slope off Oregon

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Abstract
Four species associations of benthic fishes found off the coast of Oregon within the depth interval from 40 to 1829 m were characterized by two or three most abundant species, depth range, and average sediment type.Little overlap was found among species associations because many species had maximum abundance or were found only in one association. When a species occurred in more than one association, different sizes of fish were often found. Species on the lower continental slope had the broadest depth range, and a few species were found only in the deepest association.Sixty-seven species of bottom fishes representing 21 families were collected, but 86% of the total number of fishes were from the families Pleuronectidae, Scorpaenidae, and Bothidae.

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