The spotless catshark (Bythaelurus immaculatus) is a catshark of the family Scyliorhinidae found in the South China Sea at depths between 535 and 1,020 m on the continental slope.
The spotless catshark (Bythaelurus immaculatus) is a species of catshark belonging to the family Scyliorhinidae and found in the South China Sea at depths between 535 and 1,020 meters on the continental slope.