Why do fish school?
Fish learn to swim together as young, first as pairs and then in larger and larger groups. You have probably seen that fish turns as quickly as a flock of birds, as this is an instinct from birth. Almost 80% of all fish species will swim together as pairs or in a group at some stage in their life.
OK, you just finished your PADI Open Water Diver Course, or maybe you have been an SCUBA diver for quite some time. Either way, I am sure there is still room to improve your overall dive skills including your buoyancy skills and air consumption.