The Kooskia National Fish Hatchery raises and releases the Oncorhynchus tshawytscha, which his the scientific species name of what fish?
Kooskia National Fish Hatchery:  The production goal is to raise and release up to 600,000 juvenile spring Chinook salmon annually. Chinook salmon: The Chinook salmon ("Oncorhynchus tshawytscha") is the largest species in the Pacific salmon genus "Oncorhynchus".
Chinook salmon