Two type specimens had been also captured between 1984 and 2004. Because the Ornate Sleeper Ray is rarely witnessed and you will find none in captivity, it is the rarest fish in the world. Its lively appearance comes from cellular pigments instead of scales, an unheard of trait between fish. https://usedaquariumforsalemalaysia.blogspot.com/2025/03/what-are-steps-for-routine-maintenance.html