Hi, one of my sons elephant nose started swimming upwards about half hour ago. I've been watching it & it is swimming sideways, upwards, upside down, I believe this is the swim bladder going?? Is there anything I can do to help him or should we expect to lose him?? Also what could of caused this?? Tank mates are sucking loach, weather loach, ghost knife, 2 pleckos, 2 corydoras, 2 zebra snail, fan shrimp, 3 tetras, 3 other elephant noses. Everything in tank is fine. The other elephant noses & the ghost knife have jus started attacking him, is this because his weak?? Should I take him out, help please 
