Then most of them swim up the rivers until they reach the very spawning ground that was their original birthplace.
A female triggerfish stays near the spawning ground, around 5 meters off the bottom, and guards the eggs within her territory against intruders.
The creek is one of the few remaining undammed waterways in the area, and is a spawning ground for steelhead trout.
It is also a spawning ground for sockeye, chinook and coho salmon.
Usually they return with uncanny precision to the natal river where they were born, and even to the very spawning ground of their birth.
This makes it easier for salmon to find their spawning ground which is situated below the floodgates in the dam created for the power station.
The bay is known for the mirages on the horizon during the winter months and for being a spawning ground for the firefly squid.
The upper part is used as a spawning ground.
