This is 'Sir Claws-a-Lot' my 8" Hammers Colbalt Blue Lobster (crayfish - Cherax quadricarinatus) in my community tank aquarium with lots of Shrimp and various fish! This is him catching an algae wafer, the fish like to steal bits of it off him. He was less than an inch when I first purchased him and now he is around 8" and still growing.
