Shark
Context
A large predatory fish known for its sharp teeth and streamlined body
Explanation
A group of cartilaginous fishes, often at the top of the marine food chain, characterized by their sharp teeth and efficient swimming abilities
Applications
The great white shark is one of the most formidable marine predators.
Sharks play a crucial role in maintaining oceanic ecosystems.
Shark sightings can lead to beach closures for safety.