Rather than get mad at each other about storage media (seriously, guys?), how about we use this thread to talk about Windows' built-in recording feature!
This is a support issue rather than a development issues, and so the thread has been moved. Please provide as much of the necessary information as you can.
Land animals also need to expend energy holding their bodies up with muscles, whereas fish are effectively weightless. I suspect there's a saving of effort and oxygen consumption there.