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.
Roughnose wedgefish
The roughnose wedgefish (Rhynchobatus cooki) is a species of fish in the Rhinidae family. It is found in Indonesia (off Java) and Singapore. Its natural habitats are open seas, shallow seas, coral reefs, estuarine waters, and coastal saline lagoons. It is threatened by habitat loss. Despite having been known for more than a decade, it remained undescribed until 2016. This is a relatively small species, reaching up to in length. Adults are greenish-brown above; young have white spots.