wow lots of good feeders on here lol. dont have a pick but i had a feeder get up to 5". i put him in his own tank when he was the sole survivor of a feeder batch. 2 big gars, 3 atfs, big tsn, tsnxrtc, a rtc. i couldnt belive he was still alive. he was all torn up tho. but i saved him and gave him a tank, his own 10 gal lol