Thanks to all,
Rayviv, the gigas is quite a lot bigger than slandis's clam that passed . Wall Tank is correct, the Derasa that I got from him is 8" for size reference. Theres also a 3" Crocea above the Derasa I bought from reefsystems 2 months ago.
Twizted1, Charging free admission for the first 1000 people. After that I might need new carpet. lol