spawning ground
breeding ground

It is the spawning ground for many of our fish species.

The nature reserve is used by fish as a spawning ground.

They are known to find their home spawning ground even if it's moved to a different part of the same lake.

A couple who study the spawning grounds of the world's last great salmon run.

This area is an important spawning ground, rich in juvenile fish.

If there ever existed a place more perfect to have been their spawning ground, she had never seen it.

The areas which are closed protect the main spawning grounds.

Indeed, it is worth asking what are the spawning grounds for each.

There consists of one female to five males per spawning ground.

The lower river is an important spawning ground for lake sturgeon.

The river is noted as a spawning ground for striped bass.

Fisherman would find a spawning ground and strip it bare.

He was drawn to trouble like salmon to their spawning grounds.

The lake populations often do not return from their spawning grounds until the dry season has started.

Fish began to die out and the river became unsuitable as a spawning ground.

Or how the salmon find its way back to the spawning grounds?"

He grew up in a section of Philadelphia that was hardly a rich man's spawning ground.

It is also a spawning ground for new comics.

California and Florida are traditional spawning grounds for national junior champions.

The Norwegian coast is also an important spawning ground for many of the commercial fishes.

Last year, only a single fish returned to the spawning grounds where it hatched, officials said.

By 1973 these fish had found spawning grounds up along the Red River.

Fish can now migrate again freely to their spawning grounds.

Environmentalists also said the plant could disrupt a sensitive spawning ground for fish.

It has become a spawning ground to make black filmmakers move faster and fight."