I’d like to add that the white scarring is so important to Risso’s dolphins (presumably their social dynamics) that it has affected the structure of their skull:
Risso’s dolphins feed using suction (mainly on squid) and don’t need teeth, other cetaceans that feed this way have no teeth at all (such as beaked whales). Those 8 fuckoff knife-shaped teeth at the front of their lower jaw are EXCLUSIVELY for slashing up others of their kind
