Need help deciphering between Angelfish Aggression or Mating Ritual, Video in message

[Angelfish1187]

 

[Carriwin]

To me that looks like aggression, but I would defer to a much more experienced person if they say otherwise.

 

[Brookster123]

Not an expert here, looks like mating behavior. Mine get aggressive and it's chase bite chase faster bite harder and...rest..

Sent from my SAMSUNG-SM-G900A using Aquarium Advice mobile app