Re: [APD] Re: strange "things"

[Tim Walker <twalker at swiftdsl_com.au>]

Hmmn, they sound cool. Not bad for the fish?

On 14/4/04 11:41 AM, "Chuck H" <grendel at usit_net> wrote:

> Revance wrote:
> 
>> I have noticed very strange creatures in my aquariums... I am not sure
>> where they could have originated from, but they probably moved from
>> aquarium to aquarium because I moved some plants around. They look like
>> tiny white anemones, they are about 3-4mm tall and appear to have a stem
>> and 5 hairlike "tentacles".
> ....
> 
> Congratulations, you are now the owner of a hydra colony, a
> freshwater member of the phylum Cnidaria.  They are related to
> jellyfish, sea anemones, and corals.  I once had some green ones
> whose color was due to symbiotic algae.  They're pretty common
> hitchhikers and are generally harmless despite their stinging
> tentacles, though I've heard tales of them snatching fry out of the
> water.  They creep some people out, so if you want to kill them off,
> anything that kills snails will work on them.
> 
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