A spawner is a female fish that lays eggs in the water.
People who like to fish might think about catching fish when they hear this word.
Examples:
The spawner fish lays eggs in the river.
The fishermen caught a big spawner today.
The spawner fish is very big and strong.
The spawner fish is the boss of the river!
The spawner fish lays a million eggs at once.
The spawner fish is very important for the river.