Risso's dolphin, Grampus griseus, with a blunt nose.
The hellbender salamander, Cryptobranchus alleganiensis.
The killer whale, Orcinus orca.
giant whip scorpion (Mastigoproctus giganteus)
Any small dolphin.
A small cetacean of the family Phocoenidae, related to dolphins and whales.
Said of an air-breathing aquatic animal such as a porpoise or penguin: To repeatedly jump out of the water to take a breath and dive back in a continuous motion.
Said of an aircraft: to make a series of plunges when taking off or landing; or of a watercraft: to successively plunge up and down in the water.