Tropical Fish Keeping - Aquarium fish care and resources

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urmothaspizza 12-27-2009 12:29 AM

Red crabs keep eating my fish!!!
Hey all, fairly new aquarist here...I've got a couple of red crabs in my ten gallon tank, in the past 24 hours, they have eaten 2 of my fish alive (one blue dwarf gourami and one dalmation mollie). Does anyone have any tips or secret tricks to help me keep my fish from being eaten??

Mikaila31 12-27-2009 12:33 AM

Get rid of the crabs?:lol:

Sorry, but they are not fish friendly. There is nothing you can really do to correct this. also as far as I know "red crabs" what ever species that is needs to have some dry land to get out of the water and also a source of brackish water. I not totally sure on the brackish part though.

Those crabs should be in a species only tank IMO.

urmothaspizza 12-27-2009 04:24 AM

They are called "red crabs" and I believe they are indigenous to southeast Asia. They only really require the ability to reach the surface and stay above water for a bit of time. I have housed these two crabs in my tank for a few months now, and for the most part, they have gotten along with my fish just fine. For some reason, however, they have gone on some sort of crabicidal rampage in the past day or so... thank you for your reply; I am thinking of some sort of barricade in the tank now...

My only real question is: Why are they eating my fish all of a sudden? are the fish weak? Are the crabs growing larger and requiring more nutrition? Have the crabs become blood thirsty? Its all very interesting. I plan on letting nature take its course--I suppose.

Angel079 12-27-2009 10:09 AM

I'm not too sure exactly what crabs you have there. CPO's for instance do not require land and will not eat your fish nor plants. Appears to me you bought something without reading up on it first, so the only suggestion at this point to make: Bring them back where you got them from...

urmothaspizza 12-28-2009 01:41 AM

: ( ....thanks

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