QTOFFER
Aquarium Advice Addict
I suspect that your neon and danio died before being chowed upon since none of your fish are particularly aggressive. Larger tetras like the blackfins are sometimes known to nip fins, but that's about it. I think that what you are seeing is simply another way that nature conserves resources. Fish are hardwired not to pass up an easy protein-rich meal like a dead tankmate. Rodents do the same thing and I've seen the same behavior in my own danios - the three otos that I lost looked like they went through a thresher when I finally found them. I doubt that you have a serial killer in your tank, lol, but even if you did, time outs would not be productive. The fish are just doing what they do, ya know?
Your danio's behavior toward its own is perfectly normal. Their constant chasing is often misinterpreted as aggression, but it is completely harmless. Danios are incredibly inquisitive and yours is probably fascinated with your guppy's long, pretty fins, but I have never heard of danios being nippy. You have a really nice tank setup and you may want to add a few more plastic plants so your guppy can escape the danio's constant voyeurism.
I wholeheartedly agree with ScottS that you should hold off on getting the otos until things have settled down with this tank. I was unable to introduce them successfully into my well-established 58 gal and I have read that they can be tricky to acclimate.
Your fish are getting over a very stressful event and you are battling parasites. I know the cloudiness and the algae looks gross, but it is harmless. I was told by my lfs not to clean my filter until the water flow is visibly reduced and/or nitrates become elevated. (Of course, removing the carbon pad is necessary if you are medicating). What I'm trying to say is don't mess around with too many aspects of your tank at the same time. This was nearly my downfall in the beginning, lol.
Your danio's behavior toward its own is perfectly normal. Their constant chasing is often misinterpreted as aggression, but it is completely harmless. Danios are incredibly inquisitive and yours is probably fascinated with your guppy's long, pretty fins, but I have never heard of danios being nippy. You have a really nice tank setup and you may want to add a few more plastic plants so your guppy can escape the danio's constant voyeurism.
I wholeheartedly agree with ScottS that you should hold off on getting the otos until things have settled down with this tank. I was unable to introduce them successfully into my well-established 58 gal and I have read that they can be tricky to acclimate.
Your fish are getting over a very stressful event and you are battling parasites. I know the cloudiness and the algae looks gross, but it is harmless. I was told by my lfs not to clean my filter until the water flow is visibly reduced and/or nitrates become elevated. (Of course, removing the carbon pad is necessary if you are medicating). What I'm trying to say is don't mess around with too many aspects of your tank at the same time. This was nearly my downfall in the beginning, lol.