freshwater fish - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 12 Old 06-21-2013, 11:32 PM
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Welcome to the forum

As someone who has kept crayfish with fish for several years, I am certain that the crayfish will eventually eat all the fish in your tank. One must really consider the nature, behavior and attitude when choosing fish to live with a crayfish, and unfortunately the fish you have are just extremely easy targets, especially in a 20 gallon tank.

I would absolutely return the crayfish.

I can't say anything about the crabs - never kept them, don't intend to ever keep them, don't know a thing about them.
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125 - BGK, chanchito cichlid, pictus cats, silver dollars, palmas bichir
125 - cichlids (severums, bolivian rams, chocolate), rainbows ( turquoise, red), loaches (angelicus, zebra, kuhli and horseface), plecos (BN, RL and clown), denison barbs, tiretrack eel, pearl gouramis, betta
90 - Congo tetras, african knife, upside down cats, spotted ctenopoma, kribensis, delhezzi bichir
2.5 - betta
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post #12 of 12 Old 06-24-2013, 11:05 AM
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Yep, as a few said the crayfish will not work in there. I have two blue crayfish right now and I don't even trust the female with my own hand and certainly not with almost any fish. I am guessing you bought it very little as a baby?? For good idea of how big they get( and mean) my female is roughly 8month-1yr and here she is and still growing very fast
sorry it's blurry..just took it now a (little too fast) so you can get accurate recent pics

those claws are about the length of my index finger and she is not waving hello right here lol

Last edited by Agent13; 06-24-2013 at 11:07 AM.
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