I had him when he was just about half an inch. now look at him!!! I love my Pleco!!!! BTW, the set up is all my fiance. me being the man, i was only allowed to buy a pleco and the pineapple. lol!! and the brown gravel!!. so i have decided to start my own tank. here it is so far. nothing too crazy just had it running for 2 weeks now.