Goblin shark

The goblin shark (Mitsukurina owstoni) is a deep-sea shark distinguished by a long, flattened snout and jaws that thrust forward to seize prey.

Jaw protrusion: The forward extension of an animal’s jaws beyond the usual position of its mouth. Goblin sharks thrust their jaws forward rapidly to capture prey.
Shark: A cartilaginous fish belonging to the group Selachimorpha, with gill slits and replaceable teeth. The goblin shark is a distinctive member of this broader group.
David Starr Jordan: An American ichthyologist and university administrator who described many fish species. Jordan coauthored the scientific description of the goblin shark in 1898.
Megamouth shark: A large, filter-feeding deep-water shark with an unusually broad mouth. It shares a deep-water habitat but feeds by filtering rather than snapping at prey.
Ampullae of Lorenzini: Electroreceptive organs that detect weak electric fields in water. These organs can help sharks detect prey when visibility is poor.
Mitsukurinidae: A family of sharks that includes the living goblin shark and extinct relatives. This family places the goblin shark among both living and fossil forms.
Sagami Bay: A bay on Japan’s Pacific coast known for diverse marine life and deep-water habitats. The goblin shark was first described from a specimen obtained in this region.
Frilled shark: An eel-like deep-water shark with a long body and frilled gill openings. It is another unusual deep-sea shark, but its body plan differs sharply from the goblin shark’s.
Lateral line: A sensory system in aquatic vertebrates that detects movement and pressure changes in surrounding water. It provides another route for sensing prey and water movement in the deep sea.
Cartilaginous fish: A vertebrate whose skeleton is made primarily of cartilage rather than bone. Like other sharks, the goblin shark has a cartilaginous skeleton.

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