It is not possible to give a fish CPR.
You can't give a fish CPR.
No, you can't give CPR in the water. You must be on a hard flat surface.
You will only need training to do CPR properly.
There is no such term as "green CPR".
No.
circulation, palpation, respiration
in that case they don't even need CPR
No, most of the time when CPR is required the person is unconscious and therefore is unable to give CPR to themselves. A person can give themselves a modified version of the Heimlich maneuver though.
Although humors, and maybe even possible, it is not suggested that you give CPR to a frog for many biohazards may exist. CPR is used for humans who require medical assistance.
A maneuver in CPR is performing a step in the process. For example, a step may be give the 2 breaths, or give compressions, or tilt the head.
give hands only cpr