Not Reef Tank Suitable
Not Suitable for Fish-Only Tank
Range: Indian Ocean: Red Sea
Natural Environment: Found in small groups in shallow sandy coastal areas at depths of about 15 - 100 feet (5 - 30 m) where it mainly feeds on zooplankton.
Aquarium Suitability: A nocturnal species (lacks zooxanthellae) and usually extends from its tube during nighttime hours to feed on zooplankton, which is more readily available during this timeframe.
Can reach about 8 inches (20 cm) in diameter, with its with its tentacles reaching out another 12 inches (30 cm).
Have a poor survival rate in captivity and best left in the wild.
Taxonomy:
Kingdom: Animalia
Phylum: Cnidaria
Class: Anthozoa
Order: Spirularia
Family: Cerianthidae
Genus: Pachycerianthus
FYI: Has a temperature range of 72 to 83°F (22 - 28°C).
Best suited for a special, possibly a single species environment that meets its own needs.