Saltcorner
By Bob Goemans
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Family Actiniidae

Macrodactyla doreensis

(Quoy & Gaimard, 1833)

Long Tentacle Anemone, Corkscrew Anemone

Likely Reef Tank Suitable

Likely Fish-Only Tank Suitable

Range: Indo-West Pacific Ocean: Southern Japan to Mauritius, the Philippines, New Guinea, Indonesia and south to Northern Australia.

Size: 20 inches (50 cm)

Natural Environment: Inhabits shallow costal water and found with column buried in sand or mud at depths generally less than 15 feet (5 m).

General Husbandry: Usually available in the trade and has an orange or reddish column with rows of small bumps running lengthwise. Its oral disc and tentacles can be brownish, green or purple and sometimes its tentacles exhibit a corkscrew shape.

As to diet, chopped pieces of shrimp, clam meat, or fresh marine fish flesh should be placed close to their central mouth area where in will be drawn in with the help of their tentacles and consumed. One feeding per week will suffice.

Taxonomy:

    Kingdom: Animalia

    Phylum: Cnidaria

    Class: Anthozoa

    Order: Actiniaria

    Family: Actiniidae

    Genus: Macrodactyla

FYI: One of the more common aquarium anemones in the trade because its easy to collect as it occurs on shallow sandy and muddy bottoms. Therefore, in aquaria, should have a sandy/gravel or mud-like substrate of about 4 - 5 inches (10 - 12 cm) to bury its foot.

Only a fairly good clownfish host, as its hosts few species, e.g., A. chrysopterus, A. clarkia, and A. perioderaion.

Experience Level: Intermediate

Diet: Photosynthetic/Carnivore

Temperament: Semi-aggressive

Aquarium Environment: Reef or fish-only aquarium

Coral Safe: With caution

Fish Safe: With caution

Invertebrate Safe: With caution

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)

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

Minimum Tank Size: 100 gallons

Lighting: PAR 250 - 400

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.

 Macrodactyla doreensis (Long Tentacle Anemone, Corkscrew Anemone)
Photo © Bob Goemans
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