Trachyphyllia are large polyp stony (LPS) corals in the Merulinidae family. They are also sometimes referred to as “Open Brain corals.” At different times, they have been called both “Trachyphyllia” as well as “Wellsophyllia.” According to the World Register of Marine Species, Trachyphyllia radiata and Wellsophyllia radiata are all now grouped under the Latin name “Trachyphyllia geoffroyi.” So if you hear or read about “Trachys” or “Wellsos,” the content is referring to Trachyphyllia geoffroyi. Trachys can be found in vibrant shades of blue, green, yellow, red, brown, and even multi-colored rainbows.
Trachyphyllia corals require moderate lighting. We recommend around 100-150 PAR. Bear in mind that most corals can be gradually adapted to lighting conditions outside of their normal preferences. Trachyphyllia corals also prefer low to moderate water flow. Too much flow could damage the tissue of their fleshy polyps. It is recommended that you place your Trachy on the substrate instead of on a rock. As a Trachy contracts and expands, it could tear its fragile tissue on the rock.
Through their symbiotic relationship with a photosynthetic algae, known as zooxanthellae, they receive many of their nutrients. Trachyphyllia corals may benefit from targeted feeding with meaty foods like Mysis shrimp, brine shrimp, and krill. To maintain good health, calcium, strontium, and other trace elements should be monitored and added as needed.
Trachyphyllia corals have short tentacles and are pretty peaceful corals. Be sure to provide a little space for your Trachyphyllia corals to grow and thrive.