[citations omitted]. The extensive scarring of the two adult male killer whales reported here cannot be positively attributed to one sex or the other, but it is highly probable
that conspecifics [the same species] caused the parallel tooth rakes, due to the spacing of the rake marks. Scheffer (1969) reports a killer whale marked with regular lines suggesting scars made by the teeth of another killer whale… It is likely that any other killer whale involved in a mutually aggressive interaction would also show some scarring…Rake marks from killer whales are not uncommon on other species of
cetaceans, e.g., … humpback whales, … gray whales, …bowhead whales. These scars all resemble those reported on the two adult male killer whales in this paper.
Ingrid Visser Paper (1998)
Just for they who refuse to believe rakes don’t happen in the wild.
Oh look, pro caps just decided that Ingrid Visser is a legitimate source after all.
Of course raking happens in the wild, no anti cap has ever denied that. BUT heavy raking, such is seen on Tekoa, Morgan and a few others in captivity, is so rare in the wild that Visser wrote this paper about it. Did you even bother to read the whole paper?