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).
There are 36 types of dolphines in the world. 32 of them are marine dolphins and there are river dolphins with unknown number of types. According to latest researches, there are 4 main river type dolphins. Dolphines live in saltwater but there are also some dolphin types living in frash water. Bottlenose Dolphins are most popular dolphin types in the world. They are the general dolphin type used in the circus and other exhibition centers.