Also known as Beakless Dolphin, Notched-fin Dolphin.
Found in pairs to large pods, over coastal and inshore waters, of the continental shelf and slope.
They feed on fish and squid.
Length - 210cm
Depth - 0-2000m
Widespread Antarctic, Atlantic Ocean, Indo-Pacific
Dolphins are very social animals and curious of divers.
They feed by echo location usually on schooling pelagic fish. Ref: https://en.wikipedia.org/wiki/Dusky_dolphin