I thought I knew the answer to my question until today.
15gal tall hex tank
1 male veil tail betta
3 harlequin rasboras(2f, 1m)
3 albino cory cats
1 lonely glowlight tetra
Moderately planted
So I've had all of these fish together in this tank for at least 2 months minimum. The betta would give chase to the other fish occasionally if they got a little too curious with his long fins. Last night I didn't notice anything abnormal, everything looked fine, I'm pretty sure the betta looked perfectly fine. Today when I turned on the light the bettas tail fin was completely shredded. So I'm almost 100% this was a over night thing. Being an over night thing I don't believe this to be fin rot. The tips of the shredded tail fin are pale, I'm guessing it's from the obvious damage and scarring. He otherwise seems fine apart from looking a little tired/lazy. A couple days ago I noticed that on my glowlight tetra it looked like he had a small bite taken out of his tail fin, which I had just chalked up to him getting a little too friendly with the betta. I did take the betta out of the tank and put him in a breeder box in another tank until I can figure out where he can be moved to. I honestly have never seen the harlies take chase to any fish but other harlies but what other fish could it be. I thought about maybe he got sucked into the filter and shredded his tail trying to wiggle loose? The filter isn't that big, It's an AC probably rated for a 20gal,30gals at the most. I'm just not sure what to think, I've never had any problems with harlies and I'm curious if anybody else has.
Makes me very sad to see the the shape that his tail is in. Even though he's a veil tail, his fins have gotten absolutely huge since I had gotten him and now he looks like a mess.
15gal tall hex tank
1 male veil tail betta
3 harlequin rasboras(2f, 1m)
3 albino cory cats
1 lonely glowlight tetra
Moderately planted
So I've had all of these fish together in this tank for at least 2 months minimum. The betta would give chase to the other fish occasionally if they got a little too curious with his long fins. Last night I didn't notice anything abnormal, everything looked fine, I'm pretty sure the betta looked perfectly fine. Today when I turned on the light the bettas tail fin was completely shredded. So I'm almost 100% this was a over night thing. Being an over night thing I don't believe this to be fin rot. The tips of the shredded tail fin are pale, I'm guessing it's from the obvious damage and scarring. He otherwise seems fine apart from looking a little tired/lazy. A couple days ago I noticed that on my glowlight tetra it looked like he had a small bite taken out of his tail fin, which I had just chalked up to him getting a little too friendly with the betta. I did take the betta out of the tank and put him in a breeder box in another tank until I can figure out where he can be moved to. I honestly have never seen the harlies take chase to any fish but other harlies but what other fish could it be. I thought about maybe he got sucked into the filter and shredded his tail trying to wiggle loose? The filter isn't that big, It's an AC probably rated for a 20gal,30gals at the most. I'm just not sure what to think, I've never had any problems with harlies and I'm curious if anybody else has.
Makes me very sad to see the the shape that his tail is in. Even though he's a veil tail, his fins have gotten absolutely huge since I had gotten him and now he looks like a mess.
