Transitioning your new arrival

Float sealed bag in tank for 15 minutes.

Add 1/2 cup of your tank water, every five minutes, to the bag 3 to 4 times.

If salt water, check the salinity in the bag. It should be within 0.001 of your tank salinity.

If not, add tank water as above until the salinity is correct.

Net fish and put in tank.

Dispose of bag and water.

Enjoy your new fish!