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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 ]
Microchaetus rappi, the African Giant Earthworm, is a large earthworm in the family Microchaetidae, the largest of the segmented worms (commonly called earthworms). It averages about 1.4 meters (4.5 feet) in length, but can reach a length of as much as 6.7 meters (22 feet) and can weigh over 1.5 kilograms (3.3 pounds).
When these worms hatch in 12 months they are around 20 centimetres (7.9 in) long at birth. Unlike most earthworms which deposit castings on the surface, they spend almost all their time in burrows about 52 centimetres (20 in) in depth and deposit their castings there, and can generally only be flushed out by heavy rain.
Probably the longest worm on confirmed records is Amynthas mekongianus that extends up to 3 m (10 ft) [10] in the mud along the banks of the 4,350 km (2,703 mi) Mekong River in Southeast Asia. From front to back, the basic shape of the earthworm is a cylindrical tube-in-a-tube, divided into a series of segments (called metameres ) that ...
Free-living worm species do not live on land but instead live in marine or freshwater environments or underground by burrowing. In biology, "worm" refers to an obsolete taxon, Vermes, used by Carolus Linnaeus and Jean-Baptiste Lamarck for all non-arthropod invertebrate animals, now seen to be paraphyletic. The name stems from the Old English ...
The giant Palouse earthworm or Washington giant earthworm (Driloleirus americanus, meaning lily-like worm [2]) is a species of earthworm belonging to the genus Driloleirus inhabiting the Palouse region of Eastern Washington and North Idaho, in the United States. The worm was discovered in 1897 by Frank Smith near Pullman, Washington. It can ...
Lumbricus terrestris is a large, reddish worm species thought to be native to Western Europe, now widely distributed around the world (along with several other lumbricids). In some areas where it is an introduced species , some people consider it to be a significant pest for out-competing native worms.
Eunice aphroditois is also known as the bobbit worm [6] [7] or bobbitt worm. [8] The name is believed to be taken from the John and Lorena Bobbitt case, [9] but another possible reason for the name is the worm's jaw. It is sometimes called the sand striker [8] or trap-jaw worm. Traces of their burrows have been found among fossils near Taiwan ...