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NFC: Re: predator or scavenger?

I am presently keeping what I think are Red Swamp crayfish with a few
Longear Sunnies and I feed the sunnies with gambusia that I catch.. I can
tell you that I have seen the Crayfish ACTIVELY pursuing any wounded and
slow moving fish that get by the sunnies.... HTH   they are also voracious
plant eaters so if you have plants in the tanks that you plan on stocking
with crayfish... Be prepared for a bare tank shortly !!  HTH
Charles Anderton
Round Rock, Texas
----- Original Message -----
From: "Kristine Weisbrod Massin" <kwmprairie at hotmail_com>
To: <nfc at actwin_com>
Sent: Wednesday, August 01, 2001 11:58 AM
Subject: NFC: predator or scavenger?

> Are crawfish predators or scavengers?  All my biology books describe them
> exclusive scavengers but I've watched the ones in fish stores' feeder
> picking off fish as they swim past.  Is this simply desperation because
> don't have anything to eat, or a normal behavior?
> I'd like to add a couple to the Visitor Center tank, but if they were to
> even think about eating any of the orangethroat darters, I'd have to boil
> 'em :)...I've gotten REALLY attached to those fish.
> What do you guys know about crawfish?  I'm at a loss here....I had no idea
> how many species there were in Colorado alone until I started talking to a
> DOW biologist.
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