Actually dolphins are marine mammals, not fish. As for whales, the blue whale is the largest animal ever (as far as we, humans, know). So whales are indeed rather large fish.
Other dolphins, penguins, seals, fish. Will sometimes attack whales. Killer whales are really large dolphins.
Toothed whales (killer whales, dolphins, porpoises, narwhals, sperm whales, beluga whales) mostly feed on large fish.
Most dolphins can kill large fish and sharks depending on if they are in a pod (a group of dolphins) or if they are single. Dolphins are not capable of killing whales , though whales do eat dolphins.
Some do. For example, dolphins and whales are marine mammals and they have fins.
No. Whales give birth to whales and dolphins give birth to dolphins. Yah. how do you think whales come to the world if they only give birth to dolphins?
No true fish are mammals. There are marine mammals such as the dolphin, orca, and whales.
no, sharks are a kind of fish and whales are mammals like dolphins
seals dolphins fish and other whales
The killer whale preys on large fish, squid, and sometimes dolphins beluga whales seals.
fish, dolphins, sharks and whales
Similarities: * Whales, dolphins and fish are all vertebrates * They all need to live in water and cannot survive out of water for long * They all have a streamlined body shape, with dorsal and pectoral fins Differences: * Whales and dolphins are mammals, but fish are simply classified as "fish" * Fish have scales (even a shark has fine scales); whales and dolphins have smooth skin * Fish breathe through gills; whales and dolphins use lungs and a blowhole, which really functions like a nose, on top of their heads * Most fish lay eggs, while whales and dolphins give birth to live young * Fish are cold blooded; whales and dolphins are warm-blooded * Swimming motions are different: Fish moves through the water by using their body muscles to push their tails side-to-side; whales and dolphins move by pushing their tails up and down
Orca Whales do eat penguins. The Orca diet also consists fish, squid, seals, sea lions, dolphins, porpoises, and large whales such as the Blue Whale.