Order Hydrocorallina: These are colonial polypoid hydrozoans that secrete calcium carbonate skeletons, though they are not true corals... The Order comprises two suborders, the Milleporina and

Suborder Stylasterina: Characterized by having a thick layer of tissue overlying their skeletons. Their specialized feeding and defensive polyps are imbedded within star-shaped openings in their calcareous skeletons.

Aquarium Husbandry: Not hard to keep IF procured in originally healthy condition, and kept under "ideal" cured reef conditions... Sometimes deteriorates

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