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	Koi's fins look sore at joints
QAsRevenge Small Fry Posts: 1 Kudos: 2 Votes: 0 Registered: 30-Mar-2010	Koi looks like it is uncomfortable swimming and is very red at fin joints. Bacteria?
Posted 30-Mar-2010 21:32
Babelfish Administrator Small Fry with Ketchup Posts: 6833 Kudos: 8324 Votes: 1570 Registered: 17-Apr-2003	Edited 30-Mar-2010 22:07 Tell us a little more about your koi. What sized pond is it in? What are the ammonia, nitrIte, and nitrAte readings? Is it in with other fish? Just assuming that you're in the northern hemisphere, if so, has the pond started cycling for spring? ^_^
Posted 30-Mar-2010 22:06
QAsRevenge Small Fry Posts: 1 Kudos: 2 Votes: 0 Registered: 30-Mar-2010	He's actually inside in same indoor aquarium he's been in for a couple of years. Had to store a few fish with him for one night, then moved them out again.
Posted 30-Mar-2010 22:43
Babelfish Administrator Small Fry with Ketchup Posts: 6833 Kudos: 8324 Votes: 1570 Registered: 17-Apr-2003	As you can see from the Koi profile they are not indoor fish. I would suspect poor living environment and bad water quality. What sized tank is it in? Just because it's been there for a few years doesn't mean the fish is healthy or happy. Koi need ponds. From the description you gave of uncomfortable swimming and red at the base of the fins it sounds like this fish has been stunted in it's growth and could additionally have bacterial septicemia. The stunting occurs when you keep a fish in too small of a tank. As koi can reach a few feet, yes feet in length their internal organs tend to grow to the appropriate size. However poor water, lack of a large enough environment, and overstocking means that the fish stops growing on the outside causing the internal organs to compress against each other. If the swim bladder that fish use to maintain their ability to swim gets compressed that makes it difficult to move. You still didn't give ammonia nitrIte or nitrAte readings. Without knowing those we have no way of knowing your water quality. The fish you stored with it could have introduced any number of diseases if they weren't in a quarantine tank prior to being placed with it. Do a 50% water change, make sure you use chlorination and match the temperature of the water. Reduce feedings by half, and introduce more vegetables. Find a pond for him to live in. Minimum 1,000 (one thousand) gallons. Check in your area for community parks that may have an ornamental pond. Or, if you have the space, start planning a pond of your own. I know there have been people on this site who have hired heavy machinery for the weekend to dig their own pond for koi or goldfish. ^_^
Posted 31-Mar-2010 00:58
Callatya Moderator The girl's got crabs! Posts: 9662 Kudos: 5261 Registered: 16-Sep-2001	Sounds like bacterial septicaemia to me too. When you say he's uncomfortable, what do you mean? can you describe the way of swimming? For animals, the entire universe has been neatly divided into things to (a) mate with, (b) eat, (c) run away from, and (d) rocks. - Terry Pratchett
Posted 31-Mar-2010 05:39


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