Identification of Sockeye Salmon ( Oncorhynchus nerka ) Stocks in the Stikine River Based on Egg Size Measurements

• Published in: Canadian Journal of Fisheries and Aquatic Sciences
• Main Author: Craig, P. C.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1985
• Subjects: Aquatic Science; Ecology, Evolution, Behavior and Systematics; Sockeye; Stikine; Stikine River; Tahltan; Tahltan Lake; Alaska
• Online Access: http://dx.doi.org/10.1139/f85-212; http://www.nrcresearchpress.com/doi/pdf/10.1139/f85-212

The Stikine River in southeastern Alaska supports two principal stocks of sockeye salmon (Oncorhynchus nerka). An expedient means of separating these stocks when they enter freshwater is by egg size and egg mass measurements. Eggs of sockeye that spawn in the Tahltan Lake system are smaller than soc...