ah. well, i've got 2 types of tetra - so they might be to blame.
have also got some swordtails, 2 molly, a baby black red tail shark and a clown loach.
the guy in the store we got Red from said that he would be fine with the rest of the gang.
I could've moved him into the smaller tank, that has neon tetras (they're tiny) but it's got an xray tetra and 4 harlequin tetras.
what to do what to do.
that said the smaller tank did have guppys in as well as the tetras and their tails remained intact.
do you think he'd be better off in there? the current in the smaller tank is much les too, so he might not hide as much.