Hi everyone, i´m from Finland, Lappeenranta

Hi everyone, i just bought my first catfish. It was labeled as Synodontis cf. multipunctatus, which it really isn´t. It looks a lot like the Synodontis sp. hybrid (4). So i really want to know if it prefers to be in a group or alone? And if someone knows how big it´s going to grow? Any other i ...