How big is the Twin fanworm?

Twin fanworm (Bispira volutacornis) reaches 5–15 cm in length.

At what depth can you find the Twin fanworm?

Twin fanworm is found between 1–30 m deep.

What is the conservation status of the Twin fanworm?

IUCN status: Least concern (LC).

Where can you find the Twin fanworm?

Found in: East Atlantic, Mediterranean.

Twin fanworm (Bispira volutacornis)

Key facts

Scientific name: Bispira volutacornis
Common name: Twin fanworm
Category: Worms
Family: Sabellidae
Genus: Bispira
Size: 5–15 cm
Depth: 1–30 m
IUCN status: Least concern (LC)
Danger level: Harmless
Habitats: rocky-reef
Behaviours: sessile, filter-feeder
Ocean zones: East Atlantic, Mediterranean

Description

Bispira volutacornis reaches 15 cm. Fanworm (Polychaeta, Sabellidae) Mediterranean and temperate East Atlantic very characteristic by its two distinct branchial crowns (hence Bispira, two spirals) forming two separate cream-white volutes with red-brown or purple bands. Brown membranous tube fixed on rocks and coralligenous. Lives from 1 to 30 m on hard bottoms of Mediterranean. Signature macro photo subject of Med coralligenous dives, distinct from single-fan cone Spirobranchus.

Photo of Twin fanworm

Frequently asked questions

How big is the Twin fanworm?: Twin fanworm (Bispira volutacornis) reaches 5–15 cm in length.
At what depth can you find the Twin fanworm?: Twin fanworm is found between 1–30 m deep.
Is the Twin fanworm dangerous to divers?: Danger level: Harmless.
What is the conservation status of the Twin fanworm?: IUCN status: Least concern (LC).
Where can you find the Twin fanworm?: Found in: East Atlantic, Mediterranean.

Other species in the family Sabellidae

Sources

Taxonomy: WoRMS (AphiaID 130875)
Photos: iNaturalist (CC BY-NC)
Distribution: GBIF (taxonKey 2329517)
Conservation: IUCN Red List
Encyclopedia: Wikipedia