Complex sentence: The western highfin spurdog ("Squalus altipinnis") is a dogfish of the family Squalidae found on the continental shelf off Western Australia, at depths between 220 and 510 m. Its reproduction is ovoviviparous.
Split into simpler sentences: The western highfin spurdog, "Squalus altipinnis", is a dogfish of the family Squalidae. It is found on the continental shelf off Western Australia, at depths of between 220 and 510 m. Its reproduction is ovoviviparous.