Massive or branching species easily recognized by their small hexagonal calices.  Many are difficult to identify in the field since ID's are based upon minute skeletal structures.  Lobe and Finger coral are dominant reef-forming species in Hawaii while the others are occasional in clear waters.

Porites lobata

LOBE CORAL

Porites evermanni   

BROWN LOBE CORAL

Porites compressa 

FINGER CORAL

Porites duerdeni  

KNOBBY FINGER CORAL

BRIGHAM'S CORAL

Porites solida

SOLID CORAL

PLATE & KNOB CORAL

PLATE & PILLAR CORAL

Porites lichen

LICHEN CORAL

Porites hawaiiensis 

HAWAIIAN PORITES

CYLINDRICAL CORAL

DARK PORITES