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Re: [APD] Re: planaria toxic to shrimp
Over at AquaticQuotient.com, we have a recent thread about planaria. And there are photos of "planaria" attacking adult cherry shrimps. Hard to tell from the photos whether they are planaria, but the description is close.
The thread also has a few fishes listed that eat them.
I used to get planaria in my planted asian arowana tank. When I introduced 25 tiger barbs given by a friend, the planaria dissappeared overnight.
> From: "David Grim" <grim1214 at bellsouth_net>
> Date: Mon 03/01/2005 3:57 AM GMT+08:00
> To: <aquatic-plants at actwin_com>
> Subject: [APD] Re: planaria toxic to shrimp
> > Message: 1
> > Date: Sat, 1 Jan 2005 12:48:48 EST
> > From: SunflwrgrlS at aol_com
> > Subject: [APD] Planaria toxic to shrimp?
> > To: aquatic-plants at actwin_com
> > I found this surprising article while searching the web:
> > http://www.aquarticles.com/articles/management/Ali_Planaria_Worms.html
> > Although my shrimp do not seem affected by the Planaria that has invaded
> > several months ago, I haven't had any baby shrimp in a few months
> (although I was
> > not wanting any more shrimp, either...).
> > Do we have any scientists around that might be able to verify this or find
> > more info about this reported 'toxic' substance from Planaria?
> A friend has a 125 gallon reef and had an infestation of the salt water,
> non-parasitic type of planaria and decided to get rid of them. The treatment
> (so he tells me) effectively raised the redox of the water very quickly,
> faster than the planaria could adapt, so they basically filled up like tiny
> balloons and ruptured. The danger to the corals (less to the fish) was the
> toxin released in the water after their deaths, and any resulting ammonia
> spike from their eventual decay. He had to siphon all the dead out that he
> could see and do several partial water changes, carbon/poly filter
> filtration, afterwards. It worked, and he lost one piece of coral out of
> the entire 125 gallon reef.
> So the article makes sense, but in the years I've kept freshwater fish/plant
> tanks I've never heard of freshwater planaria being anything that less
> feeding/better tank hygiene couldn't take care of.
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