The Purple Ribbon Gorgonia, Pterogorgia anceps, is also referred to as Purple Sea Blade, Angular Sea Whip, Purple Sea Whip, Purple Whip and Purple Ribbon Gorgonian. This particular gorgonian has rows of white or tan polyps that extend down the sides of each blade. Found in the Western Atlantic Ocean near Florida, and in the Caribbean, Bahamas, and Colombia. They inhabit very shallow waters on in-shore reef flats with a very good current. They primarily occur on hard bottoms in back reef areas, near shore, or among seagrass, but they are seldom found on the reef itself. The Purple Ribbon Gorgonian is photosynthetic, containing the symbiotic marine algae called zooxanthellae.
The Purple Ribbon is usually dark purple, though it may occasionally be seen in other colors. It has a dichotomous growth structure with 3 or 4 flanged, flat branches, thus the name Angular Sea Whip. On the edges, there are raised calyces with openings or grooves where the white or tan polyps emerge.
With the proper care this gorgonian will do fine, and so it is suggested for an intermediate aquarist. Be sure to provide the right environment and you will be rewarded with a beautifully colored gorgonian with open and happy polyps.
Aggressiveness The Purple Ribbon Gorgonian coral is very peaceful and pose no threat to any other corals or gorgonians. They get along with their own species, but other gorgonians can over take the Pterogorgia corals, so keep each at a distance from one another.
They require good water movement to prevent algae growth. The Purple Sea Blade has a secret weapon against algae and cyanobacteria; It will shed off a layer of its rind to rid itself of these infestations.
Since they are photosynthetic, which means they live off of light, they require moderate to strong lighting.
Place anywhere which provides the required water flow and lighting level.
Diet and Feeding
Omnivore - These gorgonian corals have developed several feeding strategies. They capture planktonic organisms and microscopic food particles from the water column, and can absorb dissolved organic matter. Unlike a lot of other Gorgonians, the Purple Ribbon gorgonian has a symbiotic relationship with a marine algae known as zooxanthellae, where they receive some of their nutrients.
In captivity, the Purple Ribbon gorgonian can be fed enriched Artemia nauplii, rotifers, dust-sized pellet food, copepods, daphnia, and other similar sized foods. Marine Snow many also be a good food source. Stirring the substrate to suspend edible particulates is helpful, along with the presence of fish which can also help nourish it. Feed every other day depending on appearance