Star Polyp Rock - Pachyclavularia sp. - Medium

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SKU: 220103
Manufacturer: That Fish Place
MPN: L93JX 0045 0581

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Star polyps are found in oceans around the world, but are commonly harvested from the Indo-Pacific. They are found in various forms and colors. Typically, their polyps are white, brown, or metallic green in coloration and the encrusting "mat" they grow from is purple. Some polyps will even have prominent "eyes" of white or green. These are attractive in the aquarium due to their color and their encrusting nature.

These corals are often confused with Encrusting Gorgonians and Pipe Organ Corals, which all have similar polyp shape. When the polyps are expanded and obscure the underlying structure they can be difficult to distinguish at first glance. Two genera are usually known as "Encrusting Gorgonians" or as "Star polyps" - Briareum sp. and Pachyclavularia sp.. The differences between the two are small and it has been suggested that Pachyclavularia may be a synonym of and may eventually be reclassified as Briareum. Briareum sp. is usually classified by a brown or tan base, while Pachyclavularia sp. usually has a brighter purple base (especially Pachyclavularia violacea).

Under the right conditions this species may grow quickly and may be invasive to other corals. However, providing amble room between corals in the aquarium should prevent them from becoming too invasive. Invertebrate food such as MicroVert, Marine Snow, or Cyclop-eeze are recommended on an occasional basis.


L93JX 0045 0581
That Fish Place
Common NameStar Polyp Rock - Medium
Scientific NamePachyclavularia sp.
OriginIndo-Pacific, Caribbean
Water MovementModerate to High
Light IntensityModerate to High
DifficultyEasy to Moderate
Specific Gravity Range1.022-1.026
pH Range8.0-8.4
Water Hardness8-12 dKH
Temperature Range75-78
Internal Id

State Restrictions
Armed Forces Americas
Armed Forces Europe
Armed Forces Pacific
Puerto Rico


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