Complex sentence: The crested bullhead shark ("Heterodontus galeatus") is an uncommon species of bullhead shark, family Heterodontidae, occurring off eastern Australia from the coast to a depth of.
Split into simpler sentences: The crested bullhead shark ("Heterodontus galeatus") is an uncommon species of bullhead shark, in the family Heterodontidae. It lives off the coast of eastern Australia from the coast to a depth of.