cupanoodle Posted March 25, 2021 Share Posted March 25, 2021 (edited) We've had these rasbora's for about 6 months. This afternoon we just noticed this on one of them. Is this cotton mouth?sorry for the blurry photos, these guys are difficult to get a fix on. A couple questions: - I read that the bacteria that causes cotton mouth is present in all aquarium. If this is the case what is the point in separating it? - I have Melafix and Imagitarium bacterial infection remedy, I can dose the whole tank with all the fish or the fish separated out into its own tank. Would either of these medication be a good idea to use? Tank setup: 20 gal long, planted, inert substrate, medium light, no CO2 parameters - tested yesterday: 0 ammonia and nitrite, 10 - 30 nitrate (depending on fertilization and water changes), 7 PH, 6dgh and 2dkh. temp: 78f Edited March 25, 2021 by cupanoodle adding temp Link to comment Share on other sites More sharing options...
cupanoodle Posted March 25, 2021 Author Share Posted March 25, 2021 Here is a video, might be a bit easier to see than that pictures: Link to comment Share on other sites More sharing options...
Colu Posted March 25, 2021 Share Posted March 25, 2021 it looks like he has some fin rot is on the dorsal fin it looks like a lump to me I would Qarantine and treat melafix isn't very effective treatment and am not familiar with imagitarium bacterial remedy I would treat with maracyn and ich x as it also treats fungal infection Link to comment Share on other sites More sharing options...
cupanoodle Posted March 25, 2021 Author Share Posted March 25, 2021 I zoomed in a bit, and yeah it looks like there might be fit rot as well. Though both fin rot and cotton mouth are bacterial infections as far a I can tell by googling them, so I'm not sure if I want to use anti-fungal. As far as a lump I don't see one, just the bit of silver they all seem to have at the base of their fins. Link to comment Share on other sites More sharing options...
Colu Posted March 26, 2021 Share Posted March 26, 2021 (edited) They two disease none as cotton mouth one is bacterial and one is fungal if it looks like fluffy cotton it's fungal infection Edited March 26, 2021 by Colu Link to comment Share on other sites More sharing options...
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