Sunday

Bootlace Worm (Lineus longissimus) Marine Nemertean Worm


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.
Bootlace Worm Classification (KPCOFGS):
  • Kingdom - Animalia
  • Phylum - Nermertea
  • Class - Anopla
  • Subclass - Heteronemertea
  • Family - Lineidae
  • Genus - Lineus
  • Species - longissimus
Bootlace Worm Behaviour:
  • 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.
Bootlace Worm History:
  • Described by Gunnerus, 1770.
Bootlace Worm Distribution:
  • The geographic range extends from Iceland eastwards to the Atlantic, North Sea & Baltic coasts of Europe.
  • Not found in the Mediterranean.
Bootlace Worm Description:
  • 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.

Tags:
Bootlace Worm - Lineus longissimus - Nemertea - Proboscis - Ribbon Worm


Posted by ALCHEssMIST.
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