Atelomycterus erdmanni, also known as the Spotted-belly catshark is a catshark of the family Scyliorhinidae. It is found in eastern Indonesia. This species differs from Atelomycterus baliensis in having white spots present over the body a larger first dorsal fin, paired fins closer together, and pelvic fin farther apart from the ventral caudal-fin origin. A. erdmanni differs from Atelomycterus marmoratus in having far less numerous white spotting a larger first dorsal fin, and the clasper glans about half length of clasper outer margin.