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Polychaeta (/ ˌ p ɒ l ɪ ˈ k iː t ə /) is a paraphyletic [1] class of generally marine annelid worms, commonly called bristle worms or polychaetes (/ ˈ p ɒ l ɪ ˌ k iː t s /). Each body segment has a pair of fleshy protrusions called parapodia that bear many bristles, called chaetae, which are made of chitin. More than 10,000 species ...
Odontosyllis enopla, commonly known as the Bermuda fireworm, is a polychaete worm that inhabits shallow areas of the western Atlantic Ocean. The organism is bioluminescent when it rises to the surface of the sea during its mating period.
The sea mouse is an active predator [2] feeding primarily on small crabs, hermit crabs and other polychaete worms including Pectinaria and Lumbriconereis. [2] It has been observed consuming other polychaete worms over three times its own body length. [2] Feeding activity takes place at night, with the animal partially buried in sand. [2]
Amphinomidae, also known as the fireworms, bristle worms or sea mice, [2] are a family of marine polychaetes, many species of which bear chaetae mineralized with carbonate. [3] The best-known amphinomids are the fireworms, which can cause great pain if their toxin-coated chaetae are touched or trodden on. [ 4 ]
Aphrodita adults generally fall within a size range of 7.5 to 15 centimetres (3.0 to 5.9 in), with some growing to 30 centimetres (12 in). The body is covered in a dense mat of parapodia and setae (hairlike structures). [2]
The Alvinellidae are a family of small, deep-sea polychaete worms endemic to hydrothermal vents in the Pacific Ocean. Belonging to the order Terebellida, the family contains two genera, Alvinella and Paralvinella; the former genus contains two valid species and the latter eight. Members of the family are termed alvinellids.
Paralvinella sulfincola, also known as the Sulfide worm, is a species of polychaete worm of the Alvinellidae family that thrives on undersea hot-water vents.It dwells within tubes in waters surrounding hydrothermal vents, in close proximity to super-heated fluids reaching over 300 °C (572 °F).
Pectinariidae, or the trumpet worms or ice cream cone worms, are a family of marine polychaete worms that build tubes using grains of sand roughly resembling ice cream cones or trumpets. These structures can be up to 5 centimetres (2 in) long.