Need an ID

[Verduzco]

What is proper name for this.

Know it as blue digitata.

 

[skinz78]

Montipora Digitata? The pic is too small to see much.

 

[Frick]

For now blue Montipora cf. digitata would be the most proper name. There are other Montipora species that could branch like this, so is could possibly be another species.
Corals of the World Factsheet and images - Montipora digitata