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), a type of catshark, is discovered in the South China Sea at depths ranging from 535 to 1,020 meters along the continental slope.