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fresh water hydra

10 years 2 months ago #20535 by rm-slover
Replied by rm-slover on topic fresh water hydra
I read online that molies and swordtails will eat them. I think I may pull the crayfish and throw a few of my swordtails in that tank

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10 years 2 months ago #20532 by Nuchal Man
Replied by Nuchal Man on topic fresh water hydra
Stop feeding daphnia, brine, anything small for now. I had them hitching in on baby brine shrimp about 5 years ago. I heard some gourami species will eat them, I think it was dwarfs or three spots, but I could be wrong. I used copper to rid of mine, but with crayfish in there that obviously won't work.

As far as being concerned for the fish, I had them kill off groups of fry twice. Don't know what they would do to crayfish though.

I have a confession. I'm a cichlaholic.

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10 years 2 months ago #20528 by rm-slover
Replied by rm-slover on topic fresh water hydra
No they are actually the hydra.  I'll scrape off the glass and do WC's.

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10 years 2 months ago #20527 by dragonkeeper
Replied by dragonkeeper on topic fresh water hydra
If they are what I am thinking of they aren't Hydra. I am thinking that they are worms. I have had the same thing before. They are naturally in the water supply and are harmless to fish. Generally they are able to take hold of a tank with water quality issues.

Water change, scrape them off the glass. Your crayfish fry will probably gobble them up on the bottom. Not hard to get rid of.

Keeper

DragonKeeper
~Retired President~

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10 years 2 months ago #20524 by rm-slover
fresh water hydra was created by rm-slover
Last night I noticed in my crayfish tank that I have many small hydra attached to the glass. Should I be concerned? I didnt have much luck figuring out what caused these and how to rid myself of them.

They are in the 15 Gallon tank with my Self-Cloning Marble Crayfish. There are 3 adults, 2 have carried, and about 10-12 at about 1/2-5/8 of an inch fry.

I dont think they are of an issue now but but fear the possibility of them moving to another tank via WC or removing an in berry crayfish. After spotting them I did about a 50% WC.

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