We need to replenish the fish population in the ocean.

To restore or fill up again, especially in relation to natural resources in the ocean.
Efforts are being made to replenish the coral reefs.
The organization aims to replenish the water supply in coastal areas.
Scientists work to replenish marine habitats for endangered species.
replenish resources
replenish stocks
replenish the ecosystem
restore
refill
renew
I need to replenish the water in the vase.

To fill something up again or restore it to its former level.
Please replenish the snacks in the pantry.
We need to replenish the ink in the printer.
She decided to replenish her energy with a short nap.
replenish supplies
replenish resources
replenish stock
refill
restore
renew