Gray Whale

a rather large and swift baleen whale of the northern Pacific Eschrichtius robustus formerly Rhachianectes glaucus having short jaws and no dorsal fin called also grayback devilfish and hardhead It grows to a length of 50 feet sometimes 60 feet It was formerly taken in large numbers in the bays of California and is now rare It lives up to 50 or 60 years and adults weigh from 20 to 40 tons