ENVIRONMENT YUKON
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Fish Species
Sockeye Salmon - Oncorhynchus nerka (Walbaum)

Physical Characteristics
- The body of the sockeye is slightly elongated, the head is conical and the teeth are small and weak.
- They are distinguished from the other salmon by the absence of black spots on the back and tail fins.
- They average about 2.5 feet in length and under 5 pounds in weight.
- When male sockeye reach the Alsek-Tatshenshini waters at spawning time, their bodies turn brilliant red with metallic green heads. The upper jaw develops its characteristic hook and a slight hump forms behind the head.
- The female fish are a dark red with green and yellow blotches.
Habitat
- After they hatch, young fry spend two years in freshwater lakes before migrating to the ocean where they spend the next three years.
- Sockeye are the most highly prized salmon because of the rich red, firm flesh.
Additional Resources
Last Updated: August 20, 2009 | © 2009 Government of Yukon | Copyright | Privacy Statement | Disclaimer







