Identification

[CJs Aquatics]

seeking identification and treatment if necessary

[Colu]

I have seen this with my bristlenose many times over the last twenty years its usually caused when the male traps the female in a cave and she rubs off the scales on her back I usually add some Indian almond leaves and a small amount of aquarium salt 1 table spoon for 5 gallons it usually heals with no need for further treatment @CJs Aquatics

[CJs Aquatics]

Thank you @Colu I was kind of thinking along the same lines since it’s the only one effected