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Archived message board.

Black spot?

Badmans Tropical Fish Message Center: archive: Black spot?


Tuesday, July 17, 2001 - 03:06 pm
Anyone have any info on this disease? I have noticed my fish have developed little black spots on on their backs lately but I have not been able to find out too much about this disease on the net



Tuesday, July 17, 2001 - 03:48 pm
Aha, you are in luck. There was just this same question asked in the latest addition of Aquarium Fish magazine. Black spot is actually a cyst from parasitic worm larvae. They have a very complex life cycle and could have been introduced to your fish by snails. If you see these black spots on the fish, there is a pretty good chance some of them have burrowed into the fishes organs. Even tho you may not have any snails in your tank, this parasite could have reached the fish by snails kept with the fish at the LPS.

There is no treatment for this parasite, but in most cases they are not considered fatal and when the cycle is complete the parasite will die. I might, however, suggest some internal parasite food as I suggested to marie.



Tuesday, July 17, 2001 - 07:51 pm
yep good call kick..



Tuesday, September 04, 2001 - 09:24 pm
I have 2 tetras with black spots - looks like mildew. They're about a year old, acting fine & other fish not sick. Have no snails. ?



Wednesday, September 05, 2001 - 07:39 am
Vera could be a hard call. Badmans main board(see Medications)has black spot listed under parasites, but I have never seen it and don't think it's that common. If the spots are on the fish body I would treat as that, however if the black is just on the tail check the description under fungus. Fungus is usually white, but if algae has collected in it according to the description listed it may look greenish. Last note if it really is parasitic all fish may catch and I would treat the whole tank.



Wednesday, September 05, 2001 - 08:50 pm
It's not on the fins, it's all over the body, one even has it on the lips. None of the other fish have it & the two are acting fine. Thanx - I'll check under parasites.


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