Zero. They went extinct in 2009
the 2 types of dolphins left in the world are called : the pink river dolphin and the bottle nose dolphin
No world survey has been done but the numbers are in the hundreds of thousands. They are not an endangered species.
1
everywhere but the arctic waters
bottle nose dolphins suck.
bottle nose dolphins live in Inverness most of them do any way
Similaritiesboth dolphinsboth have blowholesboth like fishboth intelligentboth like humonsDifferencesone lives in freshwater other in saltwaterriver dolphins have bigger rostrum (nose/snout/beak)
i dont know but i want one
Dolphins, swordfish, needlenose, there are many.
bottlenose dolphins, spinner dolphins, melon-headed whale, killer whale(orca) and common dolphins are found worldwide mainly offshore in warm seas
swim
all dolphins are vertebrates