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Re: Arowanna setup

> From: "James Purchase" <jpurch at interlog_com>
> Subject: Re: Arowanna setup
> "There are only goldfish in the tank now to cycle the singal large-volume
> cansiter filter; the arowana won't be added until the plants are
> established."
> Nobody else seems to have noticed this, or thought it a problem. While I
> haven't kept goldfish for years, I do remember that any plants put in their
> tanks were usually considered "lunch". You might want to reconsider the
> species you use to get your biological filter going, or go the fishless
> route using ammonia followed by a massive water change to remove the
> nitrates before you add the arowanna. Otherwise, I fear that try as you
> might, you may never get a healthy growth of live plants - especially given
> your low lighting conditions. They will be harrassed to shreads before they
> can become established. Goldfish are very definately omnivorous and will eat
> anything they can catch and get into their mouths.
I had a planted goldfish tank for a year or two.  The goldfish never
bothered the Vallisneria nor the Java ferns, even though the java ferns
were quite small.  They would uproot Aponogeton seedlings and small
sword plants, but they didn't bother the larger plants much.  They
*loved* to eat elodea, and I don't remember if they ate the hornwort or
not.  Both of these plants grew fast enough to keep up with the
goldfish.  I've been told that goldfish eat duckweed fast enough to
eradicate it from your tank, no matter how much duckweed you start with.

Best regards,
"Somebody told me it was frightening how much
 topsoil we are losing each year, but I told 
 that story around the campfire and nobody got scared."
--Jack Handey