The rainbow trout is a species of trout native to cold-water tributaries of the Pacific Ocean in North America and Asia. The steelhead is an anadromous form of the coastal rainbow trout or Columbia Ri
Two pairs of steelhead spawning in the lower reaches of Stevens Creek in Mountain View, California
Eggs in gravel and rainbow trout alevin
Typical juvenile rainbow trout showing parr marks
Salmon are any of several commercially important species of euryhaline ray-finned fish from the genera Salmo and Oncorhynchus of the family Salmonidae, native to tributaries of the North Atlantic and
Pacific salmon leaping at Willamette Falls, Oregon
Life cycle of Pacific salmon
Eggs in different stages of development: In some, only a few cells grow on top of the yolk, in the lower right, the blood vessels surround the yolk, and in the upper left, the black eyes are visible, even the little lens.