The Sei Whale
- Weight: 44,000 - 66,000 lbs (20 - 30 tons)
- Length: 39.5 - 52.5 ft (12 - 16 m)
- Diet: Small schooling fish, krill and
other plankton, and squid
- Status: Endangered
Sei whales are considered the fastest swimming cetaceans, reaching top speeds of 34.5 mph (55.5 km/hr).