I was asked to scrape and scope some fish yesterday in a pond experiencing mass die off after introducing new koi from an auction with no quarantine....
This looks like Gill Rot to me. Look up Branchiomyces images which is actually a fungus. The treatment is quite difficult unfortunately but salt and...
This is Rangli today. It's spreading across his whole upper head and he does seem to be slowing down a bit. It's probably nearing the time to let him...
