Button/Modern Brain Size:4-6 Inch Because of its requirement for

Because of its requirement for frequent feeding it makes an excellent tank-mate with sun coral

triggerfish and puffers

Best tank mates are large bodied fish such as tangs

Its body is usually ash grey with a few black polka dots randomly scattered over top

Monitoring of alkalinity and calcium is important for continued shell growth

Button/Modern Brain Size:4-6 Inch Because of its requirement forThis 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