Most fish do not sleep.
They are constantly in motion, though the motion is marked by periods of reduced activity.
There are, however, a few exceptions: Some fish in coral reefs do sleep by leaning on rocks or standing on their tails.
Most fish do not sleep.
They are constantly in motion, though the motion is marked by periods of reduced activity.
There are, however, a few exceptions: Some fish in coral reefs do sleep by leaning on rocks or standing on their tails.
thanks for the info