im new to bigger fish ( which is a whole lot different then community or even smaller aggressive fish ) but not to fish i have been keeping fish for 7 years ( but not straight i didnt have a tank for like 2 months when i first moved to ann arbor ) and i keep several tanks i got the whole water quality thing down and am now branching out i currently have a 40 gallon with 2 figure 8 puffers and a breeding par of knight gobys a 30 gallon with a plambag a 55 long with a bgk a striped peacock eel some corys a butterfly fish and some rainbow sharks and another 55 long with a 4 inch clown knife ( who is doing much better sense my rescue and is being moved off to my lfs because i cannot get him a tank in time) im also branching into salt where with proper cation i can get into some real monsters but well see about that soon enough i just thought i would say high