fish out

verb3

1. •
   To pick up or pull something or someone from (a body of water).
2. •
   To search for by rummaging, and then extract (an item from e.g. a container); to obtain.

   • I fished out my keys from the bottom of my bag.
   • I fished out some information from some old copies of the local gazette.
3. •
   To catch all or nearly all the fish in (a given body of water), so that few or none remain.

   • Settlers came and soon fished out the lake.