Re: [APD] Re: strange "things"

[Berne Kairunas <hugh at mdaps_com>]

At 11:20 PM 4/13/2004, you wrote:

> Tim Walker asked:
>
> > Hmmn, they [hydra] sound cool. Not bad for the fish?
>
> I never noticed any discomfort in my fish, but the green hydra I had
> to deal with stayed pretty small.  The largest I ever saw was just
> over 1/4" (6mm) including its tentacles.  I suspect my regular use of
> a diatom filter at the time kept their food supply limited, and they
> died off after a few months.  I've heard of hydras as long as 1/2"
> (13mm) minus the tentacles, so it's not hard to believe they could
> cause trouble.
> --
> Chuck Huffine
> Knoxville, Tennessee

The biggest concern i've ever heard for hydra problems usually occures in 
breeding situations.   A colony of hydra can wipe out an entire batch 
(several hundred) early freeswimming young fish.  Have heard stories 
talking to a few local breeders about this happening in the past after 
reading an article on it in the club magazine.

HTH


Regards
Berne Kairunas
Metro Detroit Aquatic Plant Supply - www.mdaps.com
-------------------------------------------------------------------------------------------------------------------------
Proud Executive Board Member & Webmaster
Greater Detroit Aquarium Society
http://www.greaterdetroitaquariumsociety.com

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