throat, pharynx(noun) the passage to the stomach and lungs; in the front part of the neck below the chin and above the collarbone. throat(noun) an opening in the vamp of a shoe at the instep. throat(noun) a passage resembling a throat in shape or function.
One of the best examples is the difference between a dolphinfish and a dolphin. Dolphins are mammals and breathe air with lungs just like humans. There are many different dolphins species, including endangered river species, but all of them are in the same animal family (Delphinidae).
5 Interesting Facts About Dolphins. Dolphin. ======. Dolphins are cetacean mammals closely related to whales and porpoises. There are almost forty species of dolphin in 17 genera. They vary in size from 1.2 m (4 ft) and 40 kg (90 lb) (Maui's dolphin), up to 9.5 m (30 ft) and 10 tonnes (9.8 long tons; 11 short tons) (the orca or killer whale).