From catching birds right out of the air, to jumping on shore and attacking! Here are 9 extreme fish that eat land animals! Number 9, The Killifish It may not be too far a stretch to call the Killifish one of the most unique, and interesting fish in the world! That’s because this is a fish that only lives for about a year! And it uses it’s body as a missile in order to get food! However, one the most shocking and surprising things about it, is that it can live on land for a weak!