bottlenose dolphin

Short definition from Wiktionary

Noun

1. 1
   One of the species of gray dolphin in the genus Tursiops, between 2 and 4 meters in length inhabiting warm and temperate seas worldwide.
2. 2
   One of the species of gray dolphin in the genus Tursiops, between 2 and 4 meters in length inhabiting warm and temperate seas worldwide: Tursiops truncatus, the common bottlenose dolphin, famous for its presence in aquarium shows.