By Bob Goemans
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Family Zoanthidae

Isaurus tuberculatus

Gray, 1828

Snake Polyps, Warty Sea Mat

Likely Reef Tank Suitable

Likely Fish-Only Tank Suitable

Range: Indo-West Pacific Ocean: South Africa to Hawaii, and south to Australia.

Natural Environment: Inhabits intertidal rocks.

General Husbandry: Occasionally seen in the trade.

Polyps are generally closed during the day in the wild, and open at night to feed on plankton. See photo with open polyp feeding.

Nevertheless, it does contain zooxanthellae, and supplemental feedings of baby brine shrimp will help the polyps multiply.


    Kingdom: Animalia

    Phylum: Cnidaria

    Class: Anthozoa

    Subclass: Hexacorallia

    Order: Zoantharia

    Suborder: Brachycnemina

    Family: Zoanthidae

    Genus: Isaurus

FYI: For far more general information about these corals, see my article titled 'Zoanthids - A Wide Range to Choose From' in the 'Article" section of this website.

Experience Level: Intermediate

Diet: Photosynthetic/Zooplankton feeder

Temperament: Semi-aggressive

Aquarium Environment: Reef or fish-only aquarium

Coral Safe:With caution

Fish Safe: Yes

Invertebrate Safe: Yes

Acclimation Time: 30 minutes+

Aquarium Hardiness: Moderately difficult

Calcium (Ca): 380 - 430 mg/l

Alkalinity: 2.5 - 3.0 meq/l

Phosphate (PO4): <0.05 mg/l

Magnesium (Mg): approx. 1350 mg/l (relate to specific gravity)

Strontium (Sr) 8 - 10 mg/l

Temperature Range: 72 - 82°F (22 - 27°C)

Minimum Tank Size: 30 gallons

Lighting: PAR 350+

Water Movement: WM 2

Specific Gravity: 1.023 - 1.025

pH: 8.0 - 8.4

Iodine/Trace Elements Monitor/as necessary to maintain quality seawater.

 Isaurus tuberculatus (Snake Polyps, Warty Sea Mat)
Photo © Bob Goemans
 Isaurus tuberculatus (Snake Polyps, Warty Sea Mat)
Photo © Bob Goemans
Site Supported in Part by: