07-10-2008, 11:37 PM
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Depending on the type, if they're the really common kind, I wouldn't plan on having anything less than 10 gallons for one when it's grown. They eat pretty much anything: Mine gets left over blood worms, cory tablets, betta pellets, goldfish and koi food, my organic vegi's, etc... They are known to be great escape artists (tape up gaps in the tank cover) and there's a good chance they might eat other tank mates- regardless of what they are.
I've read that you should have air pumping into the tank (bubble wand/air stone) if you don't have an area that they can crawl out on (which isn't usually necessary) I don't know how true this is but I do it anyway because it's a really simple thing. You also will want a filter. Mine likes to sit in front of the filter flow and trawl for food particles.
I hear most yabbies, species from Australia, are warm water, and that US crayfish species are cold water. I'm not 100% on that either, it would be worth checking out or having that answered by another member. Technically, if they're freshwater, they're crayfish, but blue lobster is a common name now I guess; like calling a budgie a parakeet or using the word pit bull or calling a collie a Lassie or a dachshund a wiener dog... or something.
They love being able to move the gravel/sand around, so it can be fun if you give them something that they can stack/push.
They like hiding spots. You can see most people who have them have some sort of cave like structure for them.
Get some marine iodine to help them shed better (I read they only need a very tiny bit, and yeah, it does seem to help) Without it sometimes it seems like parts of them get stuck in the un-shedded(? that can't be a word) shell and that can damage them.
They eat most of their shell within a few days, it gives them back some nutrients, I've found that sometimes they don't want to eat all if it; you can remove the un-delicious left overs.
Just google blue lobster, blue lobster care, blue lobster breeder, or the like, and you should find some breeder sites with species and care info. I've found them out there :)