Sharks come in all sizes. The more than 370 species range from 6 inches to 40 feet. Some can fit into the palm your hand. Don't try that with these big fish!
1. Whale shark: 46,300 pounds
2. Basking shark: 32,000 pounds
3. Great white shark: 7,300 pounds
4. Greenland shark: 2,250 pounds
5. Tiger shark: 2,070 pounds
Source: Top 10 of Everything 2001, DK Publishing