Acan - Echinata - Assorted Ultra Grade Size:5-7 Polyp Space should be provided between

Space should be provided between corals to allow for growth and expansion nematocyst laden acontia filaments

The Australian ultra variety has vibrant colors and the tips are most often purple

It will open its polyps with reduced lighting or when it detects food in the water

It has a distinctive textured skeleton which adds to its interesting appearance

and boring sponges

Acan - Echinata - Assorted Ultra Grade Size:5-7 Polyp Space should be provided betweenThis coral receives most of its energy by utilizing the photosynthetic algae contained within its tissues. It will benefit from occasional feedings of meaty foods such as mysis shrimp, enriched brine shrimp, chopped krill, pellets, etc. Some corals may also respond to phytoplankton. Its transparent feeding tentacles extend mainly at night, although it can learn to feed during daylight hours. Open brain corals are able to expand their tissues to a