Watch this:
http://www.youtube.com/watch?v=NANHTN6OJ9M
They're small and they're already ready to kill each other. Jars don't like other jars. Maybe, maybe, maybe other fish, but not the same species.
This one is of 7 in one tank (I think someone on this site?) and it MIGHT just be the quantity of fish that's keeping them from tearing into each other. That or they were just introduced and haven't had time to start fighting. Regardless, these are all small fish, before the jars hit the 10-12" mark and become ruthless killers.
http://www.youtube.com/watch?v=ecZLpo9aBUs
IMO, unless you have money to blow, don't risk it. Keep the jar by itself.
http://www.youtube.com/watch?v=NANHTN6OJ9M
They're small and they're already ready to kill each other. Jars don't like other jars. Maybe, maybe, maybe other fish, but not the same species.
This one is of 7 in one tank (I think someone on this site?) and it MIGHT just be the quantity of fish that's keeping them from tearing into each other. That or they were just introduced and haven't had time to start fighting. Regardless, these are all small fish, before the jars hit the 10-12" mark and become ruthless killers.
http://www.youtube.com/watch?v=ecZLpo9aBUs
IMO, unless you have money to blow, don't risk it. Keep the jar by itself.