RickHunter Posted October 9, 2020 Share Posted October 9, 2020 (edited) We found one of our Corys with a really red belly this morning. He seems to have been hiding awhile which is why we didnt catch it earlier. He came out after a 35% water change in the tank. Thinking its possibly the red spot disease (his fins a ripped too). We've moved him to a small 3.5 gallon tank we keep a few snails in to start treating with API Erythromycin. Looking for second opinions. No similar signs in any of the other 9 Corys in the tank he was in. pH - 7.0-7.4 range Nitrates - 20-30 (probably lower as this was pre water change) Hardness - (dont have a specific number but we do have water thats on the harder side) Nitrite - 0 Ammonia - 0 KH/Buffer - (Unknown) Water Temperature - 77 F Edited October 9, 2020 by RickHunter Link to comment Share on other sites More sharing options...
BNye Posted October 9, 2020 Share Posted October 9, 2020 My guess would be a bacterial infection, I would just keep treating with the API Erythromycin and see what happens. You could also try using salt if it is not in a planted tank. Here is an article on using salt. https://www.aquariumcoop.com/blogs/aquarium/aquarium-salt-for-sick-fish?_pos=1&_sid=329790e30&_ss=r. I am not sure I would use the salt in the 3.5 gallon with the snails as I am not sure how it will affects snails maybe someone will know better than me or it will be specified in the article. Link to comment Share on other sites More sharing options...
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