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Zoanthids
Zoanthus sp.
Family: Zoanthidae
📍 Indo-Pacific Reef Systems
Zoanthids (zoas) are colonial soft corals that form mats of individual polyps in an extraordinary range of colours and patterns, making them highly collectible. They are among the hardiest corals for beginner reef keepers and grow rapidly under good conditions. Some zoa morphs contain palytoxin; always wear gloves when handling.
Keeping this species
- diet
- Photosynthetic; can absorb dissolved organics
- flow
- Low to moderate
- lifespan
- Indefinite in stable reef
- lighting
- Low to high (50–250 PAR depending on morph)
- placement
- Rockwork, frag plugs
- tank size
- 10 gallons minimum nano reef
- temperament
- Peaceful but spreads over nearby substrate and corals
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Water it likes
- ph
- 8.1–8.4
- calcium
- 380–450 ppm
- nitrate
- 1–15 ppm
- salinity
- 1.024–1.026 SG
- magnesium
- 1200–1350 ppm
- phosphate
- 0.03–0.1 ppm
- alkalinity
- 7–11 dKH
- temperature
- 73–81°F (23–27°C)
Natural Habitat Temperature
79°F — 81°F seasonal range · (Jan low, Feb high)