Two Style specimens have been also captured in between 1984 and 2004. Because the Ornate Sleeper Ray is infrequently noticed and you will discover none in captivity, it is the rarest fish on this planet. Image Editorial Credit history: Wikimedia Commons The Devil’s Gap Pupfish is amongst the rarest fish https://medium.com/@FishAquariumOnline/4-facts-about-maintaining-your-aquarium-by-a-fish-tank-cleaner-95421e6c2baa