Tropical Fish Keeping - Aquarium fish care and resources

Tropical Fish Keeping - Aquarium fish care and resources (http://www.tropicalfishkeeping.com/)
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-   -   Red tail cat fish (http://www.tropicalfishkeeping.com/catfish/red-tail-cat-fish-33768/)

greentab 12-13-2009 10:50 PM

Red tail cat fish
 
i have a red tail catfish that has a round white spot on the back of his tail and i have no idea what it is i think maybe an Ulcer. just wondering if any one knows?

Mikaila31 12-16-2009 03:30 PM

Does it look like whitespot?

Also you do know how big that fish will get right:-(?

kelly528 12-16-2009 03:53 PM

Holy smokes what kind of tank are you running? I saw those at the Vancouver Aquarium last week and they get MASSIVE. They were in the monster fish exhibit... they were about 2 feet long and easily weighed 100 pounds!!! The tank they were in must have been about 4000 or 5000 gallons.

Mikaila31 12-16-2009 06:01 PM

2ft is on the small side for a redtail in captivity:-).

Here's a good video of a well cared for redtail. You can see the one I mean, you can also see some of the other redtails show signs of stunting. Which most likely means they where aquarium pets for a while then given to the aquarium. These fish really are not aquarium fish. Towards the end of the video you can see some hands in comparison to the fish. Properly cared for in a commercial aquarium they can reach 4ft, in the wild they can hit 5ft max. They are a big game fish over their.

You can keep them, but they need ponds. Large 1,000gal+ ponds. If you can't house it, try to find someone who can. Rarely a public aquarium will take them. If you can't house it and can find someone who can and its outgrown your tank. IMO they best option at that point is to turn the fish into fertilizer. A very small number of these fish that are sold in the trade ever end up in proper care.

mosterfishkeepers.com would be the best place to look for someone who could take it when it gets too big.

Also watch out he may turn his smaller tankmates into lunch.

kelly528 12-16-2009 07:05 PM

Yeah I have a feeling that is not a good fish to loose into the wild!!!

1077 12-17-2009 04:44 AM

Quote:

Originally Posted by greentab (Post 289308)
i have a red tail catfish that has a round white spot on the back of his tail and i have no idea what it is i think maybe an Ulcer. just wondering if any one knows?

It is very difficult to properly diagnose over the internet without photo and all information you can provide about the tank the fish is in.
Were it me, I would see that test results on my tank = zero for ammonia,zero for nitrites,and no more than 20ppm for NitrAtes. Could be any number of things causing the white bump or spot you describe but maintaining the water parameters will offer the fish the best chance of recovery with or without medications which in my view,should be considered as last resort. If water conditions are not of good quality, then medications will have no effect.
How long have you had the fish? what size tank? what foods are offered?(hopefully no feeder fish) what is your water change scedule? how much water do you change and how often? can you test water or have it tested at fish store and then post results for ammona,nitrites,and nitrAtes? Need numbers for these results not words like,OK,normal,good,etc.
What type of filtration is being used? what size filter and what specific filter? The fish you speak of as I mentioned in another thread, grows quite large,requires heavy filtration,frequent water changes,and vaccuming the substrate is a must. If you can provide some more info, then perhaps those who can help will have a better idea as to possible causes for your concern.
At this point,given NO information, all one can do is guess.

kelly528 12-17-2009 03:38 PM

Quote:

Originally Posted by kelly528 (Post 290684)
Holy smokes what kind of tank are you running? I saw those at the Vancouver Aquarium last week and they get MASSIVE. They were in the monster fish exhibit... they were about 2 feet long and easily weighed 100 pounds!!! The tank they were in must have been about 4000 or 5000 gallons.

Make that 4 feet I am terrible at gauging length:oops:


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