Do Crabs, Snails & Shrimp Require A Certain Amount Of Lighting?

[i am here]

Do Crabs, Snails & Shrimp Require A Certain Amount Of Lighting? Does Live Rock Need A Certain Amount To Maintain Coralline Growth??? Silly Questions I Know!

 

[happyhourh]

shrimp and crabs dont. Coralline needs some decent lights and good levels of calcium.

 

[yimmy]

all the inverts don't need light. LR to serve it's function doesn't need light. For it to look pretty and have coraline alagea you need light. I have 1.5-2wats per gallon on my tank and I have plenty of coraline, you don't need super lighting for alagea