Button/Modern Brain Size:4-6 Inch Monitoring of alkalinity and calcium

Monitoring of alkalinity and calcium is important for continued shell growth

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

It is also sensitive to poor water conditions and does not tolerate sudden changes in water parameters

We recommend this animal only for expert aquarists who can provide the care it demands

Button/Modern Brain Size:4-6 Inch Monitoring of alkalinity and calciumThis 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