The spotted smooth dogfish (Proscyllium venustum) is a finback catshark of the family Proscylliidae, found in the temperate northwest Pacific Ocean, in the Okinawa Trough.
The spotted smooth dogfish (Proscyllium venustum), a type of finback catshark belonging to the Proscyllidae family, is found in the temperate waters of the northwest Pacific Ocean, specifically within the Okinawa Trough.