Purple sea fan
Monoplanar fan to at least 1 m across.
Flattened at right angles to plane of fan on small ascending and interconnecting branchlets (pinnules).
Major ascending branches tapering toward tips; smaller ascending and interconnecting branchlets (pinnules) flattened at right angles to plane of fan. Meshes polygonal, squarish or irregular.
Round or oval, chiefly on sides of small branchlets.
Usually yellow; sometimes lavender or grey.
Polyp armature: small rods rarely longer than 0.06 mm. Body wall: acute spindles to 0.14 mm long; scaphoids (curved sclerites) usually with complex tubercles on convex side, to 0.1 mm long.
Crests and seaward slopes of shallow reefs exposed to surge, as shallow as 1 m and rare below 10 m.
Bahamas, Caribbean Sea; uncommon in South Florida.
Bayer (1961), Cairns (1977), Wainwright & Dillon (1969), Gosliner & Ghiselin (1987), Cronin et al. (1995), Humann & DeLoach (2002), Sanchez & Wirshing (2005), Murdoch (2006), Toledo-Hernandez et al. (2008), Reijnen et al. (2010).