This is my first experience with koi fry. Have them in the house separated in two different aquariums. Have lost 4 in the last 3 days, from both tanks. These have been the larger ones.. I have done quite a few water changes and had started the feeding with the egg yolks as I read and then switched to powdered commercial koi food and crumbled flakes for the past 3 weeks or so. I notice they start swimming sideways and their tails seem to kink upwards, I've removed them as soon as I see this to another quarantine tank. I'm not sure if it is coincidental or not but it seems I'm seeing this after a feeding. Could I be feeding too much, or maybe not enough? Its so hard to tell with the different sizes and quantity of them. I've been feeding twice a day. We don't have a large pet store nearby to get the brine shrimp, but I thought I might get some the next time I'm in the city. Perhaps they are not getting enough nutrition in the ground up koi food? Its so sad to watch this happen. Any suggestions would be appreciated.
Thanks Connie
Thanks Connie