Speartooth Shark: This critically endangered shark is found in the rivers and coastal waters of northern Australia and New Guinea. It is rarely encountered due to its elusive nature.
Basking Shark: The basking shark is the second-largest fish in the world, but it is rarely seen due to its habit of swimming near the surface with its large mouth open to filter feed.
Zebra Shark:Also known as leopard shark,this species is characterized by its distinctive zebra-like markings.It is relatively rare and inhabits the tropical waters of the Indo-Pacific region.
Longfin Mako Shark: This rare shark species is closely related to the more common shortfin mako shark. It is distinguished by its longer pectoral fins and is found in deep, offshore waters.
Greeneye Shark (Dalatias licha): The greeneye shark is a deep-sea species found in temperate and tropical oceans. It is rarely encountered due to its preference for deep, dark waters.
Narrowtooth Shark (Carcharhinus brachyurus): This critically endangered shark species is found in the western Atlantic Ocean. It is named for its narrow, pointed teeth.
Pondicherry Shark: The Pondicherry shark is an extremely rare species found in the Indian Ocean. It is critically endangered and faces the risk of extinction due to overfishing.
Smalltooth Sand Tiger Shark (Odontaspis ferox): This elusive shark species is found in the Atlantic Ocean. It is distinguished by its small, pointed teeth and is rarely encountered.