nipping

Hello all! It would appear my 2nd smallest teugelsi bichir has been nipped quite visciously by one of my other bichirs last night and I was wonder if this damage is going to be permanent or of it will heal up good with care, I have a larger teugelsi that got his pectorals removed when he was...

Ive read online why my 10 inch senegal is nipping my 5-6 inch delhzi's fin. Ive kept senegal alone in a 60 gal tank, and everytime i introduce the smaller delhzi(numerous attempts) the next morning the fins are ripped to shreds and bleeding, soo i scoop it out and put it back to the old tank, i...