Silver Mollies Gill Is Red

[Stone Warior]

The outside is red on both sides I have over 40 silver mollies so I cant say if it has been there forever or not

 

[WILDER]

Red gills can be down to poor water quality so need stats in ammonia,nitrite,nitrate, and ph.
Also gill flukes can cause the gills to look red and inflamed, any signs of flicking and rubbing against objects, or laboured or increased breathing.

 

[Stone Warior]

Its only this one fish and its the out side which would normally be silver, i dont know if he was born with it or not

 

[WILDER]

That's really dosn't answer anything, need water stats, plus is the fish laboured breathing or flicking and rubbing against objects.
Pull the gill flap back to see if you can see any parasites behind the gill.