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Related FAQs: Bristle/Fireworms 1, Bristle/Fireworms 2, Bristle/Fireworms 3, Bristle/Fireworms 4, Polychaete Identification, Polychaete ID 2, Polychaete ID 3, Polychaete ID 4, Polychaete ID 5, Polychaete Behavior, Polychaete Compatibility, Polychaete Compatibility 2, Polychaete System, Polychaete Selection, Polychaete Feeding, Polychaete Disease, Polychaete ReproductionFeatherdusters, Featherdusters 2Tubeworms 3, Tubeworm ID, Tubeworm Behavior, Tubeworm Compatibility, Tubeworm Selection, Tubeworm System, Tubeworm Feeding, Tubeworm Disease, Tubeworm Reproduction, Worms in General

Related Articles: Featherduster Worms, Worm Diversity,

/The Conscientious Marine Aquarist

Bristles, Feather Dusters Fire and More: Polychaete Worm Diversity

By Bob Fenner

Spirobranchus giganteus

The vast majority of worms are good indeed... for keeping your substrates open, free of accumulating mulm, providing food for macro-eaters as well as filter feeders (their sex products)... Here is a side view through a healthy substrate.

 
Amphinomid... Fireworm of the family Amphinomidae. If it's not visually obvious where these worms get their common name, you'll understand if you handle them! The bristles attached to their noto- and neuropodia are sharp and hurt like no tomorrow to get stuck by. Ouch! This one out and about at night in N. Sulawesi.

Anamobaea onstedii Caribbean. This image from Belize. 

Bispira brunnea Social Feather Duster. Family Sabellidae. Crowns 3/4- 1 1/4" diameter. Colonial, parchment like tubes. St. Thomas, U.S.V.I.

Bispira variegata (Montagu 1804), the Variegated Feather Duster. Family Sabellidae. Tropical West Atlantic. 1-2 centimeter in crown diameter. A common "contaminant" in live rock collected and cultured from the area. Aquarium photo.

Chloeia fusca McIntosh 1885. Family Amphinomidae). Indo-West Pacific; East Africa to Indonesia, Japan. On sandy, muddy bottoms, actively seeking prey. Positively phototropic. Note two dark dorsal bands. N. Sulawesi pic. 

Filograna implexa Berkeley 1828, Fan Worms. Family Sabellidae. Cosmopolitan; all tropical seas. Often found on pier pilings, in harbors. Photos: Antigua (Caribbean), N. Sulawesi (Indo.).

Hermodice canunculata, a larger species of "Bristleworm". Large pleated structures (caruncle) on all segments denote this too common, out and about species in the tropical West Atlantic. Family Amphinomidae. Four to six inches total length. Often found feeding on gorgonians, anemones, hard corals. Close-up to show you part of the "fire", the sharp bristles that make up the podia on each segment of the body. Bahamas, Cancun and Cozumel images by day and Bonaire at night.. 

Loimia medusa (Savigny 1820), the Medusa or Spaghetti Worm. Cosmopolitan; all tropical seas. Found between rocks in silt to sandy substrates. Tube-dwelling (family Terebellidae) worm that is most often recognized by its extended feeding tentacles. Hawai'i image. 

Pomatosteges stellatus, the Horseshoe Worm. Tropical West Atlantic. Family Serpulidae (calcareous tubeworms). To 1 1/2 inch crown diameter. Doubled radioles, U-shaped crown, long, heavy operculum, often grown over by algae. Belize photos.

Protula magnifica Straughan 1967, the Magnificent Tubeworm. Tropical Indo-Pacific. Not easily kept in captivity. Constructs calcareous tube of up to a foot in length and a centimeter in diameter. Aquarium photos and N. Sulawesi. 


Sabellastarte indica (Savigny 1818), the Magnificent Banded Fanworm. Cosmopolitan; all tropical seas. To four inches in diameter (coronal head). The most common "Feather Duster Worm" sold in the pet trade. These two off of Gili Air, Lombok, Indonesia. 

Sabellastarte sanctijosephi (Gravier 1908). Indo-Pacific; Eastern Africa to the Cook Islands. Image shot off of Pulau Redang, Malaysia. Characterized by their two tentacular crown head. 

Spirobranchus giganteus Pallas 1766, Horned Christmas Tree, aka Bisma Rock Worms. Cosmopolitan; all tropical seas. Most often found in association (burrowed in) Porites and Millepora. To an inch in diameter. Hard to maintain in captivity over any period of time. Need frequent particulate feedings, usually low light, though the coral "host" requires intense.. Pulau Redang, Malaysia photo.

Family Sabellidae: Fanworms. Non-calcareous tubes produced that they live in, feed from. Filter feeders who retract their tentacular crowns when alerted. Often found attached to dead coral, or in sediment with part of tube exposed. Collected most often in "polluted" harbors in mud/muck. Includes genera: Sabellastarte, Bispira

Typical sabellid habitat... in the mud/muck... Many aquarists don't have similar environments (!) to house their Featherdusters... high nutrient, plankton levels... Another reason why these animals are best placed in "old" well-established systems, with ooze about, refugium sumps... This Bispira sp. in N. Sulawesi. 

Family Serpulidae: Calcareous Tubeworms. Sometimes further divided into worms with spiral tubes (Spirorbidae) and straight (Serpulidae). Produce white, calcareous tubes, often with longitudinal ridges, thickenings, spines. Shape, size of cover (operculum) often useful in determining species. Includes genera: Serpula, Spirobranchus, Protula 

Some serpulids are tiny, down to barely noticeable with the naked eye. Here are some calcium tube dwelling ones on a relatively large Sea Squirt in N. Sulawesi. Smaller than pinhead size. 

Marine Hitchhiker/Critter ID (Maughmer, Toonen, Tompkins)

 


 

 

 

 

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