Bootlace Worm Biology Facts:
- Bootlace worm (Lineus longissimus)
- Belongs to phylum Nemertea (Nemertini or Nemertinea; ribbon worms).
- The most common nemertean (ribbon worm) found along the coasts of Britain.
- Lineus longissimus can be found on sandy shores, muddy shores, & in tide pools.
- Kingdom - Animalia
- Phylum - Nermertea
- Class - Anopla
- Subclass - Heteronemertea
- Family - Lineidae
- Genus - Lineus
- Species - longissimus
- Bootlace worms are free-living creatures which live on or in the sea floor.
- Sometimes can be found curled up in rock pools or tangled up with seaweed.
- Produces large amounts of thick mucus, when handled.
- The mucous produced by the bootlace worm has a faint pungent smell.
- The bootlace worm feeds using its evertable proboscis.
- As it belongs to the class Anopla, the bootlace worm's proboscis is not armed with a barbed stylet.
- Lineus longissimus immobilizes prey by using sticky filaments at the end of this proboscis, and also wrapping its body around animal.
- Described by Gunnerus, 1770.
- The geographic range extends from Iceland eastwards to the Atlantic, North Sea & Baltic coasts of Europe.
- Not found in the Mediterranean.
- One of longest animals known.
- Length - Reported up to 30 m; may grow as long as 60 m.
- Width - 5 - 10 mm in width.
- Colour - body is brown with lighter (longitudinal) stripes.
- Cerebral ganglia - show pink to red through the epidermis.
- Head - Rectangular head, with tip pale or whitish in colour & slightly bilobed.
- Eyes - 10-20 deep-set reddish-brown or black eyes arranged in a row on each side of the snout.
Bootlace Worm (Lineus longissimus) image in Public Domain.
Bootlace Worm - Lineus longissimus - Nemertea - Proboscis - Ribbon Worm
Posted by ALCHEssMIST.
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