Overview

Comprehensive Description

General Description

Cribrilina punctata is an encrusting bryozoan. Colonies form small, irregular patches that are white in colour. The autozooids are small, strongly convex and range in size from 0.4-0.55 by 0.26–0.4 mm. Young autozooids have three to five long slender spines.

The species is able to colonise a range of substrates including algae, stones and shells. It ranges from the very lower shore to offshore subtidal waters as deep as 219 m. In the intertidal zone it is uncommon and seems to be replaced by Cribrilina cryptooecium, except on the northern coasts of Britain.

Cribrilina punctata is distributed from the Barents Sea southwards to the western end of the English Channel. It has been recorded from the Faroes, Shetland, the North Sea, the Irish Sea, west coast of Ireland and in the western English Channel.

Extensive taxonomic confusion has existed between C. punctata, C. cryptooecium and Collarina balzaci,  therefore records from further afield that those outlined above must be regarded with caution. Cribrilina punctata is thought not to occur in the Mediterranean.

Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© Natural History Museum, London

Source: Bryozoa of the British Isles

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Distribution

Recent aangetroffen op aangespoeld plastic in Zeebrugge. In 2005 werden een paar kolonies gevonden op een kei en op schelpen van de Westhinderbank. De melding uit Nederland in Maitland (1897) is onbetrouwbaar.
Creative Commons Attribution 3.0 (CC BY 3.0)

© WoRMS for SMEBD

Source: World Register of Marine Species

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Gulf of St. Lawrence (unspecified region), southern Gaspe waters (Baie des Chaleurs, Gaspe Bay to American, Orphan and Bradelle banks; eastern boundary: eastern Bradelle Valley), northern Gaspe waters, Prince Edward Island (from the northern tip of Miscou Island, N.B. to Cape Breton Island south of Cheticamp, including the Northumberland Strait and Georges Bay to the Canso Strait causeway); middle North Shore (from Sept- Iles to Cape Whittle, including the Mingan Islands)
  • North-West Atlantic Ocean species (NWARMS)
Creative Commons Attribution 3.0 (CC BY 3.0)

© WoRMS for SMEBD

Source: World Register of Marine Species

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Physical Description

Diagnostic Description

Description

Vaak grote korst. Zoïden ovaal, convex. Frontaal schild van 6 tot 14 costae met 2 tot 4 grote, onregelmatig gevormde intercostale ruimten tussen elke opeenvolgende costa, aan elke zijde. De opening is proximaal begrensd door een dikke gebogen balk, dikwijls gebobbeld in het midden. 3 tot 5 lange orale stekels, die later verloren gaan. Twee stekels ingeval er een broedkamer is. Avicularia in de proximo-laterale hoeken van de opening, vaak één of beide afwezig. Avicularia ietwat schuin distaal gericht, niet pal lateraal zoals bij Collarina balzaci. Broed kamers glad, bolrond met duidelijke poriën. Roze embryo’s. Ancestrula frontaal membraneus, omringd door stekels. Deze soort kan verward worden met Collarina balzaci.
  • 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.
Creative Commons Attribution 3.0 (CC BY 3.0)

© WoRMS for SMEBD

Source: World Register of Marine Species

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Ecology

Habitat

infralittoral and circalittoral of the Gulf and estuary
  • North-West Atlantic Ocean species (NWARMS)
Creative Commons Attribution 3.0 (CC BY 3.0)

© WoRMS for SMEBD

Source: World Register of Marine Species

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Depth range based on 68 specimens in 1 taxon.
Water temperature and chemistry ranges based on 37 samples.

Environmental ranges
  Depth range (m): 0 - 686
  Temperature range (°C): -1.947 - 16.315
  Nitrate (umol/L): 0.326 - 31.195
  Salinity (PPS): 32.125 - 38.201
  Oxygen (ml/l): 4.958 - 7.317
  Phosphate (umol/l): 0.096 - 2.066
  Silicate (umol/l): 1.379 - 61.249

Graphical representation

Depth range (m): 0 - 686

Temperature range (°C): -1.947 - 16.315

Nitrate (umol/L): 0.326 - 31.195

Salinity (PPS): 32.125 - 38.201

Oxygen (ml/l): 4.958 - 7.317

Phosphate (umol/l): 0.096 - 2.066

Silicate (umol/l): 1.379 - 61.249
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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