These fish are tropical, but that doesn’t indicate they prefer saltwater. In its place, they are now living in the rivers and ponds scattered across Papua New Guinea. These fish are omnivorous and eat pretty a different diet. Picture Editorial Credit score: Wikimedia Commons The Satan’s Hole Pupfish is amongst https://www.diigo.com/item/note/9tt3x/b27r?k=2b3f4d10222e0e076abad039c47f0ae0