Whats wrong with his tail? Will the other fish tolerate aquarium salt? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 3 Old 11-04-2011, 01:34 PM Thread Starter
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Whats wrong with his tail? Will the other fish tolerate aquarium salt?

I have a guppy that's tail seems to be slowly dissapearing. It looks a bit raggy and has a big red spot by its body but on the tail, no one seems to be fin nipping but I can't be 100% sure. I have been treating him by leaving him in the tank doing regular water changes to keep the water fresh and adding daily doses of Melafix. I was wondering about adding some aquarium salt to the water but not sure whether the other fish will tolerate it, they are european neon tetras, glowlight tetras and harlequin rasboras.
Does this sound like fin rot?
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post #2 of 3 Old 11-04-2011, 03:35 PM
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Symptoms of finrot are: Split, ragged or stumpy fins, often with a white edge to them. concurrent infections with cotton-wool like disease may arise.

Occurrence of disease:
occours in fish that are in poor conditions for some reason. Recent importation, rough handling, fighting - especially 'fin nipping' - overcrowding, incorrect water conditions and poor feeding will all predispose fish to finrot.

using suitable proprietary aquarium antibacterial usually cures most outbreaks. adding some aquarium salt may be useful in preventing finrot in some freshwater fish such as livebearers that normally live in brackish water environments (e.g. guppies & mollies). Antibiotics or similar antibacterials may be used to control persistent cases.

Info copied from: The Manual of Fish Health by Dr Chris Andrews, Adrian Exell & Dr Neville Carrington
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post #3 of 3 Old 11-04-2011, 04:18 PM Thread Starter
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Hmmm, not sure it is fin rot? He doesn't have any white edges to his tail, and no problems with his eyes I've had him ages so no rough treatment and I do a 20% water change every weekend. Perhaps it is fin nipping, I'll keep a close eye on the others
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