Thank to bros cool guy,clowny lover and terryz.i recieve a lot of ridiculous offer,but i dun mind cos tis optopus is very rare, no knowin the price is not a sin .anyway thk to all who hv offer me.im givin up is because my daugther break my optopus hse,and recently she hv tis habit to knock on my main tank also.better do something b4 all start swimming in my livin rm.