which is the least aggressive in your experience?

[scottishtilidie92]

hi i was just wondering cause i may get 1 which is the least aggressive is it the albino rainbow sharks or the ranibow sharks,or the red tail black sharks?i know that the red tails can be testy little buggars but whats your experience with this fish? thank you i use to have a large 6inch red tail my friend gave it to me and he was fine exepct he would always fight with my male roughly 5 inch krib and get beaten up but never gave in thats all the bother iv'e had with a red tail but what about yours??