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I keep seeing these gorgeous blue lobsters at various stores, and I'd love to get one for my new tank (hopefully 75 gallons). Does anybody have any experience with them? Would they get along with my red fin shark? My apple snail? My pleco?

In the long run, they would, at best, irreversibly maim your fish.

Agreed. I'm sure you can set up a species only tank for it if you'd like, but keeping it with fish that you WANT to live would be asking for trouble. They're pretty agressive and I believe are nocturnal hunters - so when your fish are "sleeping", that guy would be creeping around looking to eat them. Even with larger fish like cichlids, either they'll eat it, or it will pull a chunk out of them.

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Back in the saddle!

Once again, these guys belong in species only tanks. And if they are hungry enough, they will hunt night AND day and your fish will be slaughtered sooner or later.

Apple snail would be fine, the pleco would be ugly fighting, I've made that mistake. The shark would be lunch.

Empty chairs at empty tables, the room silent, forlorn.

Actually, the apple snail would likely be consumed as well.

My six inch blue never touched the snails...

Empty chairs at empty tables, the room silent, forlorn.

Mine got eaten by my pufferfish who in turn got eaten by my sea monster

My six inch blue never touched the snails...

Your experience is not necessarily typical - see this link; other crayfish of the genus Procambarus have been utilized as biological control agents for plague-density (introduced) apple snails.

To toss another question into this thread. What size tank would a mated pair of blue crayfish need? My boyfriend really wants them but I'm not sticking them in any of my tanks with fish.

No less than 20 gallons as a minimum. I'd recommend larger personally to be ideal.

Last edited by 1tankneverenuff at 20-Apr-2005 02:38

My experience is with the "lobster" blue crayfish, which is one of the largest crayfish in the entire world, and whom has a primary diet of larger fish than the much smaller Louisianna reds do. Most crays in the world stay smaller than 4 inches for total length. The blue crays easily reach 6 inches, not including feelers or claws. Size does make a difference in diet. I actually know what I am talking about here, this is no "guess". The reason those blue crayfish are sometimes called lobsters is because they are so huge as far as crayfish go. Most crayfish in the world are half their size. He is specifically asking about the lobsters which are not Procambarus, which are the invert eaters, but instead Euastacus, which are the larger blue cray fish eaters.

Koi



Empty chairs at empty tables, the room silent, forlorn.