They’re shown as critically endangered, with their numbers declining resulting from overfishing and habitat destruction. Like coelacanth, they've nominal genetic variation in between populations, building them far more liable to disorder. They get their title from their fins, reminiscent of a hippopotamus’s ears. They’re also very similar in physical appearance https://medium.com/@AquariumOnlineStore/how-to-customise-your-pond-cleaning-services-kajang-955ddfe0e2c1