Goblin shark
The goblin shark, Mitsukurina owstoni, is a deep-sea shark
Sharks are a type of fish with a full cartilaginous skeleton and a highly streamlined body. The earliest known sharks date from more than 420 million years ago....

, the sole living species in the family Mitsukurinidae
Mitsukurinidae, also called goblin sharks is a family of sharks with one living genus, Mitsukurina, and three extinct genera: Anomotodon, Pseudoscapanorhynchus and Scapanorhynchus, though some taxonomists consider Scapanorhynchus to be a synonym of Mitsukurina...

. The most distinctive characteristic of the goblin shark is the unusual shape of its head. It has a long, trowel
A trowel is one of several similar hand tools used for digging, smoothing, or otherwise moving around small amounts of viscous or particulate material.-Hand tools:...

-shaped, beak-like rostrum
Rostrum (anatomy)
The term rostrum is used for a number of unrelated structures in different groups of animals:*In crustaceans, the rostrum is the forward extension of the carapace in front of the eyes....

 or snout, much longer than other sharks' snouts. Some other distinguishing characteristics of the shark are the color of its body, which is mostly pink, and its long, protrusible jaws.