i am keeping a bala shark about 9inchs as i think i have no where to put it besides my 30G but then im planning on storeing at my friends house so.... in favor i said i would take his balashark would this be ok in a 20G? or not any info on keeping them would really help i found alot of info online like one siter says 25G and another says 75G i know teyngrwo big like 14"