1) Ctrl + Shift + I Inverts selected parts
2) Ctrl + J Copy Layer
3) Ctrl + Magnify 100%
4) Ctrl+ T Transform Tool
5) Ctrl + Shift + N Make new layer
6) Ctrl + 0 Fit Screen
How I selected the Octopus then I used the Invert Selected parts to select everything but the octopus and deleting it
