Button/Modern Brain (Ultra) Size:3-4 Inch We recommend this animal only

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

and goes by many names

This coral is completely non-photosynthetic and receives its energy by capturing copepod nauplii

Its alluring appearance has made it a favorite of many hobbyists

but with a spiny skeleton

Button/Modern Brain (Ultra) Size:3-4 Inch We recommend this animal onlyThis 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