|Re: White bubble on danio’s mouth!|
Subject: Re: White bubble on danio’s mouth!
by fcmf on 2019/11/5 13:56:58
What a great photo and lovely fish.
Is the fish behaving and eating normally? How are the water readings for ammonia, nitrite and nitrates?
This thread https://www.fishkeeping.co.uk/modules/ ... 29910&keywords=lip+bubble is interesting and possibly similar - read it through completely from start to finish, particularly the aspect about whether you've made any water changes recently with particularly cold water.