41. The Elwha River Ecosystem and Fisheries Restoration Act of 1992 was signed by the first anadromous fisheries. 42. Adult freshwater stream rainbow trout average between, while lake-dwelling and anadromous forms may reach. 43. They are anadromous , meaning they spawn in fresh water and migrate to salt water to mature. 44. Anadromous populations of " O . m . gairdneri " are known as redband steelhead.45. The most common anadromous fish inhabiting the creek include sculpins, rainbow trout, and brook trout. 46. Carotenoid pigments as a means for differentiating eggs and offspring of anadromous and non-anadromous trout. 47. Carotenoid pigments as a means for differentiating eggs and offspring of anadromous and non-anadromous trout. 48. Carotenoid pigment profiles distinguish anadromous and nonanadromous brown trout ( " Salmo trutta " ). 49. Anadromous Fish hatchers like the Nimbus Hatchery are designed to have minimal impact on natural fish populations.50. Atlantic salmon are anadromous , returning to spawn in their natal rivers after maturing in the North Atlantic.
