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i have a very aggressive rainbow shark in my 30 gallon, i want a fish that likes sand ect, i am not sure if the shark could take the calcium, i have some shells. and some peices of reef, my water parameters are....ph-8.4....GH-300....KH-below 300

so, what do ya think?

I'd think anything you added would be immediately attacked by the shark, and seriously. It's all his territory at the moment. Lots of fish would work in your water - it's perfect - but not with an established, aggressive shark in there already gunning for new additions. Even if you removed him for a few days to let new fish have time to settle in and rearranged before you put him back, it's a small enough tank that he'd be very likely to take over again.

-Molly
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thats what i was thinking of doing, and i want to order some fish that look like the ones on your avitar, oo i forget the name, but it was either those or some salmon hippo points, he doesnt seem to like my pink female betta, or my bright orange platty, i want an equally aggressive species to counter his actions, and maybe simmer him down, oh, and apparently he "pick, pick, picks" on smaller more vounrable, i had a minnow in there which was still small and the poor thing lost an eye, his tail, and has lots of bite marks all over his body, i felt bad and rought him up stairs and put him in a 10 gallon, he is much better now still got some scars, but his tail is growing back, i thought he nipped it down too far, but its growing back so.... and i think if i keep him in a bucket for a short while, maybe a few days, let the new fish get accustom then put him back in, he realy fearcely gards his little log, he loves it.

oh, is there a mopre aggressive fish that he wont bother? he dosent bother most of the fish in there, they are going to be moved later on, maybe if i keep the WCMM and zebra danios, (4wcmm, 3zd) u know sort of as dither fish? they are faster than him, and sometimes prevent a chase by zipping around

Last edited by fishyhelper288 at 15-Jan-2005 15:20

comon pleco is well armor, you can try those.

a common pleco wont fit in a 30 gallon

good news! i cleaned out the tank by putting a divider in a spare 10 gallon, putting the shark and crawfish on one side and all other inhabitants on the other side, i removed stuff ands put new stuff in i added lots of new hidy places for the shark, but he would have been crushed if i hadent put his drift woon in he still uses it, and i put him near the intake, so i guess he is my cleanest fish i havent seen any new damage and i havent actually seen him out yet, so i dont know whats wrong with him, but do you think i should put my females back in there? i know i will have lots of little fry, but hey, i will have 2 extra 10 gallons, and when my slow neighbor gives me his old 20 gallon, i have places for some fry

well, he abandoned his wood for the SHELL! he sits in there and it is soo cute