[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
NFC: Re: predator or scavenger?
Kristine Weisbrod Massin said:
> 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?
Like many scavengers, crayfish are opportunistic. They'll take what they
> 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.
There are so many species of crayfish you could probably find one in your
locale that stays at such a small size it would pose little threat to your
piscine residents. The larger species can and will capture fish, and
darters are at a disadvantage sharing the lowest layers of the tank with the
Chris Hedemark - Hillsborough, NC