Overview

Distribution

Op diverse harde substraten in het dieper sublitoraal. Komt voor in het Kanaal en er zijn ook twee vondsten van de Vlaamse Banken uit 1900 en 1911 bewaard in het KBIN. Loppens (1906) beschouwt deze soort als tamelijk zeldzaam.
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Source: World Register of Marine Species

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Cellaria fistulosa is widely distributed  in warm and temperate sea. It is found in waters off all British coasts

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Source: Bryozoa of the British Isles

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Physical Description

Morphology

Cellaria fistulosa is an erect bryozoan, composed of jointed dichotomous branches. The colonies form large white clumps, which grow 5-6 cm in height or more. The colonies often grow bigger than other Cellaria species, and branch frequently to form an extensive diffuse growth. The internodes narrow proximally (towards the colony origin), but they are not club-shaped as with C. sinuosa. Cellaria fistulosa is a more slender species than C. sinuosa, with a smaller internode length and diameter (commonly 0.4-0.8 mm). Colonies are anchored to the substrate via chitinous rootlets.

Autozooids are generally hexagonal, but pointed at the tip. The are arranged in a longitudinal series, each autozooid being in contact with those directly above and below it.

Differentiating between Cellaria species is difficult and C. sinuosa is frequently mistaken for C. fistulosa

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Source: Bryozoa of the British Isles

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Diagnostic Description

Description

Veelvuldig vertakte bos tot 6 cm hoog. Internoden cilindrisch tot 8 mm lang. De internoden zijn niet knotsvormig. Gewoonlijk 5 of 6 longitudinale zoïdenrijen. Elke zoïde is in contact met de distale en proximale buur, dit contact kan zeer nauw zijn. De breedte van een internode is 0,4 tot 0,8 mm. Zoïden zeshoekig, terminaal puntig. De laterale wanden zijn opgericht rond de ingezakte frontale oppervlakte. Opesia halfcirkelvormig, met een duidelijke opgerichte rand. Twee kleine tandjes op de proximale rand van de opening. Avicularia tussen twee opeenvolgende zoïden, 1/3 van de zoïdenlengte met een dwarse elliptische opesia. Mandibel minder dan een halve cirkel, slechts onder een zwakke hoek met de as van de internode. Opening van de broedkamers klein en afgerond, net distaal van de opesia.
  • De Blauwe, H. (2009). Mosdiertjes van de Zuidelijke Bocht van de Noordzee. Determinatiewerk voor België en Nederland. Uitgave Vlaams Instituut voor de Zee, Oostende: 464pp.
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Source: World Register of Marine Species

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Ecology

Habitat

Depth range based on 152 specimens in 1 taxon.
Water temperature and chemistry ranges based on 16 samples.

Environmental ranges
  Depth range (m): 0 - 201
  Temperature range (°C): -0.826 - 12.146
  Nitrate (umol/L): 4.149 - 31.069
  Salinity (PPS): 34.243 - 35.339
  Oxygen (ml/l): 5.811 - 6.906
  Phosphate (umol/l): 0.250 - 2.108
  Silicate (umol/l): 2.451 - 61.887

Graphical representation

Depth range (m): 0 - 201

Temperature range (°C): -0.826 - 12.146

Nitrate (umol/L): 4.149 - 31.069

Salinity (PPS): 34.243 - 35.339

Oxygen (ml/l): 5.811 - 6.906

Phosphate (umol/l): 0.250 - 2.108

Silicate (umol/l): 2.451 - 61.887
 
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The species is able to colonise stones and shells in subtidal waters.  Its depth range is uncertain, but it is known to occur at depth of 30-80   metres in the Mediterranean.

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Source: Bryozoa of the British Isles

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