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Diopatra claparedii are tubicolous, meaning they reside in a tube for much of their life cycle. [5] The tube is formed from sediment, rock, organic matter, and a mucus that the worm excretes, and can range from 30-60 cm in length, found in burrowed into sediments of littoral environments of South Asian coastal waters, with varying lengths visible above ground.
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]
Tube anemones live inside and can withdraw into tubes, which are composed of a fibrous material made from secreted mucus and threads of nematocyst-like organelles known as ptychocysts. Within the tubes of these ceriantharians , more than one polyp is present, which is an exceptional trait because species that create tube systems usually contain ...
Lanice conchilega, commonly known as the sand mason worm, is a species of burrowing marine polychaete worm. It builds a characteristic tube which projects from the seabed, consisting of cemented sand grains and shell fragments with a fringe at the top. Polychaetes, or marine bristle worms, have elongated bodies divided into many segments.
Members of this genus live in thick, parchment-like tubes that project from the sediment on the seabed. The tubes are covered on the outside by fragments of shell, algae, fibers and other small objects, collected by the worm and stuck in place by mucus. The worm's tube is a food-catching tool that creates a small micro-reef where small ...
Sometimes the tubes are solitary and sometimes they are grouped together but this species does not form reefs. [3] In California, Neosabellaria cementarium can be confused with the sandcastle worm (Phragmatopoma californica). The latter is a reef-building worm and its tentacles and operculum are purple rather than yellow. [3]
Pectinariids are sessile burrowing tube dwellers, which can be found in fine-grained sediment. They position the wider end of their tube downwards, and use their stout golden setae for digging while they use tentacles for sorting the particles which they ingest. Half of the particles which the worm digs through are excreted as pseudofaeces. [2]
Sabellaria is a genus of marine polychaete worms in the family Sabellariidae.The type species is Sabellaria alveolata (Linnaeus, 1767). These worms are sedentary and build tubes in which to live from sand and shell fragments.
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