Tropical Fish Keeping - Aquarium fish care and resources

Tropical Fish Keeping - Aquarium fish care and resources (
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-   -   I've got crabs.. (

Night Foxx 10-01-2009 08:04 AM

I've got crabs..
I bought a little red crab the other day.... (also mentioned this in my hazy thread) anyone had any good or bad experiences with them?

It's a small one, maybe 1.5"... I thought it would help clean up the left over food from the fish.... although it's always hiding and I've yet to see it eat anything.

Note: I have 4 cichlids in the tank with it.. all 1". Seems they've learned to leave him alone.

zombiefish610 10-01-2009 12:08 PM

Do you know what kind of crab it is? I only have experience with one crab it's a fiddler crab. Although it was sold to me as a freshwater crab, it actually needs brackish water. On top of that it needs access to air above the water. If it does not get these things it will surely die in about a month. Some fish stores are savages.

Night Foxx 10-01-2009 12:24 PM

It's a red crab...

MoneyMitch 10-01-2009 09:25 PM


Night Foxx 10-02-2009 07:34 AM

I'll get one this weekend, the little e'fer or perhaps my cichlids dug a cavity behind a rock which he has now claimed as his 2nd home.. so I don't see him that much.

Night Foxx 10-02-2009 07:58 AM

actually here is a picture I found on-line..

Rohland 10-02-2009 09:25 AM

your aquarium will not work, if this is the crab you do have.

Opinions on water salinity for this species vary. Frank Greco writes that while they range from fresh to brackish water in nature, in captivity it is best to keep them in 5-15 ppt salinity. That is 1/6 to 1/2 the salinity of seawater. My own experience agrees that keeping them in 100% fresh water is not tenable in the long term.

Night Foxx 10-02-2009 01:11 PM

what else could I put in there that my cichlids wouldn't kill?

John0216 03-29-2013 11:29 PM

I have 3 of those little guys in freshwater. But they have an area to get on land. Ive had them for 4 months now and there such awesome guys. They let me hold them and all, and they love it when I let them out and put them in a little makeshift playpen I made out of legos.

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