Sawfish
Sawfishes, also known as carpenter sharks, are a family of rays characterized by a long, narrow, flattened rostrum, or nose extension, lined with sharp transverse teeth, arranged in a way that resembles a saw. They are among the largest fish with some species reaching lengths of about . They are found worldwide in tropical and subtropical regions in coastal marine and brackish estuarine waters, as well as freshwater rivers and lakes.
Sawtail grouper
The sawtail grouper ("Mycteroperca prionura") is a species of fish in the family Serranidae. It is endemic to Mexico. The sawtail grouper commonly lives on fields of large boulders with gorgonians and black corals.