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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 ]
Escarpia laminata is one of the longest living tube worms that can be found in the cold seeps at a depth of 1000m to 3000m from sea level in the Gulf of Mexico. These organisms often reach age of between 100–200 years, with some of them determined to be more than 300 years old. [2] It is possible that some may be aged 1,000 years or more. [3]
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.
Lineus is a genus of nemertine worms, including the bootlace worm, arguably the longest animal alive. Lineus contains the following species: [ 1 ] Lineus acutifrons Southern, 1913
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).
Gippsland earthworm colonies are small and isolated, [9] and the species' low reproductive rates and slow maturation make those small populations vulnerable. [9] Their natural habitats are grasslands, and while they can survive beneath pastures, [9] cultivation, heavy cattle grazing and effluent run-off are adversarial to the species. [9]
Kaburakia excelsa, the giant flatworm or giant leaf worm, [2] is a species of flatworm found on the lower shore and shallow water in the eastern Pacific Ocean. It occurs on the lower shore and shallow sub-littoral zone .
[3] [4] It is the longest bivalve mollusc in the world, where the only known permanent natural habitat is Kalamansig, Sultan Kudarat in the Philippines. [5] Members of this genus secrete calcareous tubes. Based only on the calcareous tube, this species was originally thought by Linnaeus to be a tube worm, so he placed it in the genus Serpula.