Derived from an old diminutive of MARTIN. MAXWELL Scottish. From a place name meaning Mack's stream, from the name Mack, a short form of the Scandinavian name MAGNUS, combined with Old English wella stream ...
For the ray-finned fish known as common dolphin, see Mahi-mahi. The common dolphin is the name given to two species (and possibly a third) of dolphin making up the genus Delphinus. Prior to the mid-1990s, most taxonomists only recognised one species in this genus, the common dolphin Delphinus delphis.
1 Bottlenose Dolphin. 2  The bottlenose dolphin is probably the most common species of known dolphins. 3  These prefer to live in warmer waters. 4  Bottlenose species can be found in all oceans except the Arctic and Antarctic. 5  In addition to these oceans, they are also found in the Mediterranean and Black Sea. The bottlenose dolphin is probably the most common species of known dolphins. 2  These prefer to live in warmer waters. 3  Bottlenose species can be found in all oceans except the Arctic and Antarctic.