you could do it outside in a shady place using a big plastic bin or paddling pool
rock from a rock pool is not really "live rock" as it is not porous enough to contain much bacteria
some rock from tide pools and coral rock will work
depending on the circumstances leading to the position the eel was found in i would expect criminal charges could be laid under animal welfare laws or those pertaining to sexual proclivity
semantics = A range of ideas, from the popular to the highly technical. It is often used in ordinary language to denote a problem of understanding that comes down to word selection or connotation.
:slfg:
want to breed them so i can pluck them, spin hair and make a jersey out of it
seriously i want to breed them and observe their social behaviours