They’re mentioned as critically endangered, with their quantities declining resulting from overfishing and habitat destruction. Like coelacanth, they've got small genetic variation in between populations, making them far more at risk of ailment. They get their name from their fins, reminiscent of a hippopotamus’s ears. They’re also equivalent in overall https://www.diigo.com/item/note/9tt3x/b27r?k=2b3f4d10222e0e076abad039c47f0ae0