an adult indo-pacific humpback dolphin is gray, white or pink and may appear as an albino dolphin to some. uniquely, the population along the chinese coast has pink skin, and the pink colour originates not from a pigment, but from blood vessels which were overdeveloped for thermoregulation. the body length is for adults for infants. an adult weighs . indo-pacific humpback dolphins live up to 40 years, as determined by the analysis of their teeth.