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An example of a marine worm, the Parborlasia corrugatus lives at depths of up to 4,000 metres.. Any worm that lives in a marine environment is considered a water worm. Marine worms are found in several different phyla, including the Platyhelminthes, Nematoda, Annelida (segmented worms), Chaetognatha, Hemichordata, and Phoronida.
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 .
Like most polychaetes, Platynereis bicanaliculata is a gonochoric species. [8] Nereid polychaete worms like Platynereis bicanaliculata reproduce via epitoky, a process in which mature individuals transition from benthic to pelagic, swimming organisms by undergoing dramatic changes in body and behavior, to distribute their gametes into the free water column.
As if sharks, jellyfish and stingrays weren't enough to worry about at the beach. Now Texans can add fireworms to the mix.. A few of the unusual and poisonous marine critters were spotted along ...
Anisakis simplex, known as the herring worm, is a species of nematode in the genus Anisakis. Like other nematodes, it infects and settles in the organs of marine animals, such as salmon, mackerels and squids. [2] [3] It is commonly found in cold marine waters, such as the Pacific Ocean and Atlantic Ocean. [4] [5]
Eunice aphroditois is a benthic bristle worm of warm marine waters. It lives mainly in the Atlantic Ocean, but can also be found in the Indo-Pacific. [1] [2] It ranges in length from less than 10 cm (4 in) to 3 m (10 ft). [3] Its exoskeleton displays a wide range of colors, from black to purple and more.
Polynoidae is a family of marine Polychaete worms known as "scale worms" due to the scale-like elytra on the dorsal surface. Almost 900 species are currently recognised belonging to 9 subfamilies and 167 genera. [1] They are active hunters, but generally dwell in protected environments such as under stones.
Phragmatopoma californica, commonly known as the sandcastle worm, the honeycomb worm [1] or the honeycomb tube worm, [2] is a reef-forming marine polychaete worm belonging to the family Sabellarididae. It is dark brown in color with a crown of lavender tentacles and has a length of up to about 7.5 centimeters (3.0 in). [3]