Overview

Comprehensive Description

General Description

body uniformly reddish-orange or yellow-orange gradually getting pale toward the posterior, without a conspicuous color pattern, rounded head, lateral sensory organs are present
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© Ritger, Rebecca

Source: Nemertea

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Biology/Natural History: Females have many eggs during the summer. Development is rapid and direct.

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© Rosario Beach Marine Laboratory

Source: Invertebrates of the Salish Sea

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This nemertean worm, which can be up to 3m long, has a proboscis pore separate from the mouth, both of which are on the ventral side of the head. The head, which has a broadly rounded cephalic lobe, has no cephalic slits, no eyespots, and no anteroventral grooves. The body is a uniform bright orange, with no white stripes or lines. When contracted (see picture) it may be nearly as thick as a pencil.
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© Rosario Beach Marine Laboratory

Source: Invertebrates of the Salish Sea

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Distribution

Widespread from Pacific coast of North America to North Europe and the Mediterranean.
  • Davoult, D.; Dewarumez, J.-M.; Glaçon, R. (1993). Nouvelles signalisations d'espèces macrobenthiques sur les côtes françaises de la Manche orientale et de la Mer du Nord: 4. Groupes divers [New macrobenthic species in the French part of the eastern Channel and of the North Sea: 4. Miscellaneous groups]. Cah. Biol. Mar. 34(1): 55-64
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© WoRMS for SMEBD

Source: World Register of Marine Species

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cosmopolitan: Pacific coast of North America (Alaska to Puget Sound, Washington), Mediterranean Sea, Atlantic coast, North Sea, Channel and Irish Sea coasts of Europe, East Africa
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© Ritger, Rebecca

Source: Nemertea

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Geographical Range: Aleutian Island, Alaska to Piedras Blancas Point, central CA

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© Rosario Beach Marine Laboratory

Source: Invertebrates of the Salish Sea

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Physical Description

Look Alikes

How to Distinguish from Similar Species: Most similar species have white stripes or lines, and may have some white on the head, and are ochre or brownish rather than bright orange.
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© Rosario Beach Marine Laboratory

Source: Invertebrates of the Salish Sea

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Ecology

Habitat

Depth range based on 234 specimens in 1 taxon.
Water temperature and chemistry ranges based on 32 samples.

Environmental ranges
  Depth range (m): -0.5 - 610
  Temperature range (°C): 8.028 - 12.473
  Nitrate (umol/L): 3.089 - 30.530
  Salinity (PPS): 31.538 - 34.104
  Oxygen (ml/l): 2.000 - 6.561
  Phosphate (umol/l): 0.565 - 2.333
  Silicate (umol/l): 7.986 - 41.655

Graphical representation

Depth range (m): -0.5 - 610

Temperature range (°C): 8.028 - 12.473

Nitrate (umol/L): 3.089 - 30.530

Salinity (PPS): 31.538 - 34.104

Oxygen (ml/l): 2.000 - 6.561

Phosphate (umol/l): 0.565 - 2.333

Silicate (umol/l): 7.986 - 41.655
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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intertidal in sand and silt, lower shore intertidal under stones to shallow sublittoral depths of 45-50m or more, on mud, sandy mud, sand, or gravel bottoms, beneath stones, in laminarian holdfasts or among mussels and other growths
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© Ritger, Rebecca

Source: Nemertea

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Depth Range: Low intertidal and subtidal

Habitat: Under stones embedded in gravel, in mud, or among mussels or seaweed.

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© Rosario Beach Marine Laboratory

Source: Invertebrates of the Salish Sea

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Molecular Biology and Genetics

Molecular Biology

Barcode data: Tubulanus polymorphus

The following is a representative barcode sequence, the centroid of all available sequences for this species.


No available public DNA sequences.

Download FASTA File
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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Tubulanus polymorphus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 4
Specimens with Barcodes: 6
Species With Barcodes: 1
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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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