Complex sentence: The velvet catshark ("Parmaturus lanatus") is a recently described, deepwater catshark is known only from a single specimen collected from off Tanimbar Island in the Arafura Sea, Indonesia, at 840--855 m depth.
Split into simpler sentences: The velvet catshark ("Parmaturus lanatus") is a recently described, deepwater catshark. It is known only from a single specimen collected off the Tanimbar Islands in the Arafura Sea, Indonesia, at a 840--855 m depth.