Florent's Guide To The

South Florida Reefs

Sea Frost
Salmacina huxleyi
Sea Frost
Category: Tube Worms
Scientific Name: Salmacina huxleyi
Synonyms: Filograna huxleyi
Size: Tube to 6 in. (15 cm)  
Depth: 20-130 ft. (6-40 m)
Distribution: Caribbean, Bahamas, Florida
Tangle of tiny white tubes, tiny crowns of radioles barely visible at tube's head.
Annelida (Phylum)
└Polychaeta (Class)
 └Sedentaria (Subclass)
  └Canalipalpata (Infraclass)
   └Sabellida (Order)
    └Serpulidae (Family)
     └Salmacina (Genus)
      └S. huxleyi (Species)

Worms
Tube Worms

Sea Frost

Caribbean Christmas Tree Worm

Star Horseshoe Worm

Red-Spotted Horseshoe Worm



All Photographs
© 2026 Florent Charpin