Angelfish abrasion

[Qasimja]

im sure im being overly paranoid but i lost all my fish in QT last week so every little thing has me breaking out my magnifying glass wondering does this look like a scrape from a rock to you guys? or maybe somethin else still eating acting normally been in the tank 4 months nothings been added into the dt in a month

 

[Big G]

Looks like a scrape with a rock. Sometimes they get them when the sleep at night, rubbing against rocks, equipment, etc. as the flow pushes them around a bit.