Thank you all.
Yea their markings are prominent. Since I moved them to this bigger grow out they have been different. First I had black sand, they were all black. Last week changed it to white brought some good colors out.
@koji... The one from the last pic is a aggressor. Will chase everybody out hahaha. It's fun watching them.
I am using a Cannon 550D with a 18-270mm Tamron Lens. Learning still