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Related FAQs: Zoanthids, Zoanthids 2Zoanthids 3Zoanthid ID, Zoanthid Identification 2, Zoanthid ID 3, Zoanthid ID 4, Zoanthid ID 5, & Zoanthid Behavior,   Zoanthid Compatibility, Zoanthid Selection, Zoanthid System, Zoanthid Lighting, Zoanthid Feeding, Zoanthid Health, Zoanthid Reproduction

Related Articles: Sea Mat: An Ocean Of Color For The Aquarium by Blane Perun,  Water Flow, How Much is Enough

/The Conscientious Reef Aquarist

Mostly Colonial & Very Hardy;

The Sea Mats & Polyps That Are the Zoanthids; part 3 

 

By Bob Fenner  

Genus Parazoanthus

Parazoanthus sp., Zoanthid. Images in N. Sulawesi of unidentified colonial polyps.

Parazoanthus catenularis, Brown Sponge Zoanthid. Polyps of about 1/8" diameter bear 20 brown to yellow pointed tentacles, with oral disks that are darkened in their centers. Cozumel pic by Di.

Parazoanthus gracilis, Aquarium image. 

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Parazoanthus parasiticus, the Sponge Zoanthid. Small (1/8" diameter) greenish tentacled polyps embedded in a sponge... in Cozumel on/in a Red Boring Sponge, Cliona delatrix.
Parazoanthus parasiticus, The Sponge Zoanthid, at right on a Niphates digitalis, the Pink Vase Sponge in Cozumel. Below in St. Thomas, U.S.V.I. 

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Parazoanthus swiftii, the Golden Zoanthid. 1/4" diameter polyps. Encrust several species of sponges. Here on a Brown Tube Sponge, Agelas conifera in the Bahamas and Cozumel. 

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Parazoanthus tunicans, the Hydroid Zoanthid. 1/4 " in size. Tropical West Atlantic. Grow on Feather Tree Hydroids... not toxic themselves... but don't touch the hydroid! Cozumel pix by Di.

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Parazoanthus sp. Differently colored polyps arise from the common mat that in turn covers over (is epizoic on) other sessile invertebrates... typically sponges, sea fans, black corals. Here in N. Sulawesi on the skeleton of a fan . Indo-West Pacific; East Africa to Indonesia. 

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To: part 1, part 2, part 4

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