老威信~! almost same size as mine wor~! what do u have in the tank? looks like you have 3 shrimps and only 3 fishes wor??? and how you keep it? how to keep the water that clean? mine already have many brown "mo" on the glass... is it good??? I only keep a bucket of salt water and change around 2 coffee cup every 3-4 days... what about U?