Selection by Brook Trout ( Salvelinus fontinalis ) and Juvenile Atlantic Salmon ( Salmo salar ) of Shade Related to Water Depth

• Published in: Journal of the Fisheries Research Board of Canada
• Main Authors: Gibson, R. John, Power, G.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1975
• Subjects: Atlantic salmon; Salmo salar
• Online Access: http://dx.doi.org/10.1139/f75-194; http://www.nrcresearchpress.com/doi/pdf/10.1139/f75-194

Salmon parr and small brook trout were observed in two stream tanks providing choices of cover. One tank was shallow (24–29 cm) and the other deep (43–50 cm). In the shallow tank brook trout occurred most frequently in shade. When salmon were the sole species, they were most frequently in shade, but were mostly away from shade in the presence of trout. This selection for shade was not evident by either species in the deep tank.