Angelfish emergency

[FerdinandEsma]

Two out of my five angels have these weird wounds, and one of them actually missing a pectoral fin. Anybody able to tell me what’s going on with’em?

 

[AmyKieran]

What’s the tank size? It could be aggression also what is your feeding regime?

Try using aquarium salt or rock salt to treat and 75% water changes daily until someone can identify