Mechanics of foraging success and optimal microhabitat selection in Alaskan Arctic grayling ( Thymallus arcticus )

• Published in: Canadian Journal of Fisheries and Aquatic Sciences
• Main Authors: Bozeman, Bryan B., Grossman, Gary D.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 2019
• Subjects: Aquatic Science; Ecology, Evolution, Behavior and Systematics; Arctic; Varden; Arctic grayling; Thymallus arcticus
• Online Access: http://dx.doi.org/10.1139/cjfas-2018-0115; http://www.nrcresearchpress.com/doi/full-xml/10.1139/cjfas-2018-0115; http://www.nrcresearchpress.com/doi/pdf/10.1139/cjfas-2018-0115

Most fishes residing in temperate streams in the Northern Hemisphere are drift-feeders. Despite this fact, little is known about the mechanisms of drift-feeding itself. We used Alaskan Arctic grayling (Thymallus arcticus), an abundant boreal drift-feeder, to examine the effects of water velocity on...