Two variety specimens were also captured among 1984 and 2004. Considering that the Ornate Sleeper Ray is rarely observed and there are none in captivity, it's the rarest fish on earth. The Devil Fish is noted for its huge, triangular pectoral fins and distinctive horn-like cephalic fins on both side https://customaquariumtank.car.blog/2024/12/19/facts-about-professional-pond-cleaning/