To transfer or not to transfer

Visualeyes2

AC Members
Nov 4, 2000
169
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White, GA
Ok here's the situation:
55g- w/ 12 various Malawi Cichlids
90g- w/ very large oscar 4 silver dollars, and a pleco
30g-w/ small number of tetras and a couple dwarf gouramis

My Malawis are getting big as African cichlids go. I'm considering putting the large silver dollars in the tetra tank (30g), and switching the oscar and the Malawis so the Malawis can continue to grow in the 90. Will that be enough room for the oscar and pleco and the silver dollars?
 
yea oscar should to be in at least a 75g tank, but depending on how big the silver dollars are they might be too big for the 30g also.
 
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