fished out
Having had all or nearly all its fish caught, so that few or none remainHaving had all or nearly all its fish caught, so that few or none remain.
Meaning
2 sensesHaving had all or nearly all its fish caught, so that few or none remain.
The lake is completely fished out.
Mostly or entirely caught, so that stocks are highly depleted or exhausted.
Cod and halibut are now fished out.