1. Great White Shark (Carcharodon carcharias): A large, predatory shark known for its powerful jaws and sharp teeth.
2. Whale Shark (Rhincodon typus): The largest fish in the world, it is a filter feeder that primarily eats plankton.
3. Manta Ray (Manta birostris): A large, flat ray with wing-like fins that filter feeds on plankton.
4. Hammerhead Shark (Sphyrna spp.): A group of sharks with distinctive hammer-shaped heads, which helps them detect prey.
5. Dogfish Shark (Squalus acanthias): A small, common shark found in many oceans.
These are just a few examples of the diverse group of cartilaginous fishes. There are over 1,000 species of sharks, rays, and chimaeras within this class.