hi! No, bettas and goldfish are in comparison to minded for some motives. First, as replace into pronounced, bettas are tropical fish and goldfish are no longer. this implies that a betta needs to have water around seventy six-80ish levels (anybody has distinctive critiques in this) and goldfish do ultimate in less warm waters. yet another excuse is area. Goldfish are pond fish. opposite to regular theory goldfish do no longer belong in bowls via fact they replace into extensive. the clarification why goldfish die so straight away is by using the fact they are put in a bowl, that's in basic terms too small for them. Bettas could desire to be in a life like volume of area, 5 gallons or greater, yet they do no longer could desire to be, and should no longer be, in a pond. third, goldfish produce lots of waste. That waste builds up ammonia very straight away, which could smash a betta's fins. notwithstanding if the different variations have been aside, this difficulty might nevertheless shop them aside. The bioload could be puzzling to maintain up with and it may desire to doubtlessly kill your betta. additionally, in case you have been to get a posh goldfish with the flowing fins, a betta might combat with it via fact it its fins.