silver shark

Hi I feel like I already know the answer but i wanted a few other opinions so at the risk of sounding new to fish i have a tank that holds a barramundi, a silver shark, 2 cichlids from when I accidentally bred a blue Texas and a braziliensis cichlid together (the cross-bred babies currently have...

I have a Silver Bala Shark for sale. Approximately 6-7 inches long. I have had it for 4 years and have never had any issues. Many other have been and gone so this must be pretty hardy. I feel guilty having it on its own due to it being a shoaling fish and I don't feel my tank is big enough to...