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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]
Riftia pachyptila, commonly known as the giant tube worm and less commonly known as the giant beardworm, is a marine invertebrate in the phylum Annelida [1] (formerly grouped in phylum Pogonophora and Vestimentifera) related to tube worms commonly found in the intertidal and pelagic zones.
A tubeworm is any worm-like sessile invertebrate that anchors its tail to an underwater surface and secretes around its body a mineral tube, into which it can withdraw its entire body. Tubeworms are found among the following taxa: Annelida, the phylum containing segmented worms Polychaetea, the class containing bristle worms
The worm has a hydrostatic skeleton and moves by longitudinal and circular muscular contractions. Setae – tiny hair-like projections – provide leverage against the surrounding soil. Surface movements on moist, flat terrain were reported at a speed of 20 m/h and, based on measurements of the length of the trail, nocturnal activity away from ...
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.
Live 3-inch long python worm found in woman's brain, the 1st adult case in world (Emerging Infectious Diseases) However, her symptoms never improved. In 2022, she became absentminded and depressed.
The bootlace worm (Lineus longissimus) is a species of ribbon worm and one of the longest known animals, with specimens up to 55 m (180 ft) long being reported. [1] Its mucus is highly toxic. [ 2 ]
Alitta succinea (known as the pile worm, clam worm or cinder worm) [3] is a species of marine annelid in the family Nereididae (commonly known as ragworms or sandworms). [4] It has been recorded throughout the North West Atlantic, as well as in the Gulf of Maine and South Africa .