Alevin: Stage in the life cycle of salmon following emergence from the egg stage, characterized by the presence of a yolk sac attached to the body.

An anadromous fish spawns in freshwater, migrates to the ocean to mature, then returns to freshwater to spawn and complete its lifecycle.

In California, anadromous fish include salmon, steelhead, sturgeon, striped bass, American shad, stickleback and Pacific Lamprey.

A wild trout was born in the wild and spends its life cycle in the wild, regardless of the origin of its parents or ancestors. A native trout is a species that was found here originally, prior to human influences.

Parr:Stage in the life cycle of salmon following the “fry” stage, characterized by the presence of dark vertical bands on the side of its body.

Smolt: Stage in the life cycle of salmon following the “parr” stage, characterized by hormonal and other physiological changes that prepare the fish for its seaward migration and life in salt water, the loss of parr marks, and appearance of a silvery color.

Trophy Trout Water: Waters that have trout that exceed eighteen inches or greater in length and that are caught by anglers based on current survey information.