Suddenly lethargic Betta

[s thomas]

You're kind, thank you. I'm happy to read any references you point me toward as well. It's most tedious just digging around and finding some information people give isn't so great. And I'm easily distracted.
Posted via Mobile Device

[Sakura8]

Okay, I asked Oldfishlady, one of our forum's experts, and here is what she had to say:

I don't know of any parasite/pathogen the will eat its way out of a fish once dead.....more than likely it was just normal decomp-fish break down and decomp really fast in water with all the microorganisms, nematodes and the like that naturally inhabit the water.....

As far as the tank itself.....I wouldn't break it down...I would just make 50% water change with good vacuuming and a couple of water onlys-then back on the 50% weekly with vacuum to maintain the system.....when you remove the bad stuff you also remove the good stuff that controls the bad stuff.....or upset the balance.....

[Tikibirds]

awwwh. I'm sorry little B passes away :(

[s thomas]

Sakura8:
Thank you very much for checking, I'm glad I didn't go ahead and break it down. I did the water change and the cories seem to be doing great, the shrimp won't stop eating or growing.

Tikibirds:
Thank you for saying, I'm glad for both your help.

[Sakura8]

Okay, I'm glad OFL had some good advice. Losing your cycle would have been a bummer. I'm happy the cories and shrimp are doing so well. :)