can people share or help with this scene of fish falling

[jennna928]

i followed few tutoirals how to make object bounce but i end up with different result.
this is what i want https://www.youtube.com/watch?v=ie3Y3vpEzk4
if anybody can share the scene or help me understand what makes the fish bounce realism as the one i have the fish becomes complete flat on ground after impact.
just like how cloths move.

can anybody share the scene please