Perennial Dance zoas

Perennial Dance is a zoanthid strain named for the way its long skirts move in the current — polyps with a bright center disc and fine, waving lash-like skirts that sway with every pass of flow. The center runs green to gold and the skirts carry a contrasting fringe, so a colony in gentle flow looks like it is constantly in motion even when nothing else in the tank is moving.

Care follows the standard zoanthid pattern. Low to medium light (about 75 to 200 PAR) keeps the centers bright without stretching the stalks; long-stalked polyps are usually reaching for light. Moderate, variable flow shows the strain at its best — enough movement to make the skirts dance, not so much that the polyps stay half closed.

Zoanthids feed mostly from their zooxanthellae, so light matters more than target feeding, but most colonies respond well to a light broadcast of fine planktonic food or amino supplements once a week. Keep nutrients present rather than zeroed out — colonies kept in ultra-low-nutrient water often stall, shrink, or close up. Stable alkalinity between 8 and 10 dKH, calcium 400 to 450 ppm, salinity around 1.025 to 1.026, and temperatures of 77 to 79°F cover the basics.

Placement is about growth control as much as light. Zoanthids spread by a creeping mat and will overgrow slower neighbors, so many keepers give a named strain its own rock island with sand on all sides. A new frag should start low while it acclimates, then move up gradually if you want tighter polyps and stronger color.

Handling note: zoanthids can contain palytoxin. Wear gloves and eye protection when handling or fragging, wash hands afterward, and never boil or pressure-wash zoanthid-covered rock.

Field notes — what keepers report

Keepers say this strain tells you about flow before most other corals do: polyps lean and stretch toward the current when flow is one-directional, and sit upright and full when flow alternates. Reports suggest the skirts elongate in lower light, giving a shaggier look some keepers prefer. It is described as a reliable opener that rarely stays closed for more than a day after a move, and as a steady grower that fills a rock face within a few months in a fed tank.