Mercfh Posted February 16 Share Posted February 16 So I have a 55g tank, it's cycled and I do a 20-25% water change once a week (All water params are good). One weird thing i've noticed is my raphael catfish appears to have a bio-film on his face (very long stringy white threads) when he comes out of his hole to eat. I know the first thought is...ok obviously fungus or similar but the thing is I notice this bio-film gone as he eats and moves around (So it'll be there when he comes out...but then be gone a little later) So I know they don't move much during the day..is it possible he's just getting bio-film around him when he eats or that sorta just grows near where he lays? (I have a healthy amount of algae/bio-film in the tank, nothing crazy but the fish graze on it so I leave it). Otherwise the tank isn't dirty and no other fishes display any problems. FWIW the fish looks in good health and I only notice the "threads" when he comes out first thing during feeding time, then they appear to go away after awhile. These "threads" are also very long stringy threads near the head area and not like a fluffy patch or anything. Any ideas? Link to comment Share on other sites More sharing options...
Colu Posted February 16 Share Posted February 16 If you can get a picture it With a diagnosis Link to comment Share on other sites More sharing options...
Mercfh Posted February 16 Author Share Posted February 16 On 2/15/2024 at 8:25 PM, Colu said: If you can get a picture it With a diagnosis Will try. it's tough because he's hiding most of the day tbh. Link to comment Share on other sites More sharing options...
nabokovfan87 Posted February 16 Share Posted February 16 Interesting... Try with a blue light on or something one night. Maybe you can use something like a pleco cave to capture it and move it to a specimen container. Link to comment Share on other sites More sharing options...
Mercfh Posted February 16 Author Share Posted February 16 I sort of wonder if where he "sits" grows a lot of bio-film so it's just attached to him until he starts swimming around. I'd assume a fungus wouldn't just "disappear" after 30 min or so of moving around. 2 Link to comment Share on other sites More sharing options...
Mercfh Posted February 16 Author Share Posted February 16 FWIW He came out last night and I saw no indication of fungus on him. I imagine where he sleeps just has it and it's on his face when he swims out. 🤷♂️ 1 Link to comment Share on other sites More sharing options...
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