Annelida
Filograna implexa
Filograna implexa
(Sea Frost)
(Sea Frost)
1. In situ (Greg McFall)
2. In situ - Sea frost is sitting inside a stinker sponge, Ircinia campana (Greg McFall)
3. Out of water (Steve Vives)
Size
Colonies: 8-14cm (4-6)'', Individual Branches: 0.5cm (0.25")
Recognition Characters
Colonies consist of tangled, twiny small white tubes. Often encrusting but also grows in circular clumps on bottom. Close examination reveals tiny crowns of radioles at tube head.
Color
White
Habitat & Depth
Intertidal to 100m depth.
Distribution at GRNMS
Common. Colonize tops of ledges and nearby hardbottom areas.
Geographic Range
Filograna implexa is reported northward from Florida to Cape Cod. Filograna huxleyi is reported in Florida and the Caribbean
Behavior & Notes
Synonyms
Humann 1992a, Meinkoth 1981