Ade;3940561; said:Sorry to see that man....
No physical damage, so maybe internal but no symtoms of paracites....
Might have had a heart attack..or die from stress from being harrassed when lights are off... What else in the tank could have gone/attacked for it?
Scorponok;3954981; said:No physical damage? Its side is scratched up and parts of tail is missing. I suspect it was beaten up during the night by the rest of the gang, or their rivals.