Protula bispiralis (Savigny, 1822)
Red fanworm
Protula bispiralis
photo by Ryan, Paddy

Family:  Serpulidae ()
Max. size: 
Environment:  sessile; marine; depth range 3 - 10 m
Distribution:  Indo-West Pacific.
Diagnosis:  Body is 6 to 10 cm in length, including the worm tube; diameter can reach 20 cm when the two branchial crowns fully open. The branchial crown is made up of white radioles (can reach up to 80) arranged in three spiral whorls, each covered with closely packed small cilia. Crown is white, and base varies from red to pink.
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. 123251)
Threat to humans:  harmless
Country info:   
 

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