Complex sentence: The smooth toadfish ("Tetractenos glaber") is a species of fish in the pufferfish family Tetraodontidae native to shallow coastal and estuarine waters of southern Australia, where it is widespread and abundant.
Split into simpler sentences: The smooth toadfish ("Tetractenos glaber") is a species of fish in the pufferfish family Tetraodontidae. It is native to shallow coastal and estuarine waters of southern Australia, where it is widespread and abundant.