Overview

Comprehensive Description

Description

 An anemone, unlikely to be confused with other sagartiids, with a fairly tall column, up to about 6 cm, and tentacles of moderate length, usually irregularly arranged, and up to about 120. Algae or encrusting animals such as bryozoans or serpulid worms are often found growing on it. It is yellowish or olive green in colouration with dark brown warts and the tentacles are dusky grey, red, brown or yellowish, usually with two whitish bands.
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Source: Marine Life Information Network

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Description

This sea anemone has an adherent base; the column is taller than wide, divided into scapus and scapulus. The scapus is covered with tough horn-like cuticle which itself is often encrusted with algae, debris, bryozoans or tube-worms; beneath the cuticle the scapus bears dark, conical solid tubercles, varying in size. The tentacles are moderate in length, irregularly arranged. The disc has a dusky pattern, the tentacles are vaguely banded. Disc and tentacles are orange, red, brown, or grey - usually variegated. Size up to 50mm tall, 30mm across tentacles. Acontia are present but are not extruded through the column wall, but sometimes through the mouth. Reproduces by basal lacerations. Several Hormathiids - Cataphellia brodricii, Hormathia coronata - possess tubercles and cuticle but in these the tentacles are arranged in multiples of six and pattern on disc and tentacles is different - compare photos. Phellia is very different from other Sagartiidae.
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© National Museums Northern Ireland and its licensors

Source: Encyclopedia of Marine Life of Britain and Ireland

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Distribution

Known in the British Isles from northeast Scotland to western Ireland. Elsewhere from Norway and Iceland. Please notify any new records.
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Source: Encyclopedia of Marine Life of Britain and Ireland

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Ecology

Habitat

Depth range based on 10 specimens in 1 taxon.
Water temperature and chemistry ranges based on 2 samples.

Environmental ranges
  Depth range (m): 0 - 32
  Temperature range (°C): 11.406 - 11.721
  Nitrate (umol/L): 6.816 - 8.618
  Salinity (PPS): 35.333 - 35.339
  Oxygen (ml/l): 6.068 - 6.095
  Phosphate (umol/l): 0.399 - 0.477
  Silicate (umol/l): 2.639 - 2.742

Graphical representation

Depth range (m): 0 - 32

Temperature range (°C): 11.406 - 11.721

Nitrate (umol/L): 6.816 - 8.618

Salinity (PPS): 35.333 - 35.339

Oxygen (ml/l): 6.068 - 6.095

Phosphate (umol/l): 0.399 - 0.477

Silicate (umol/l): 2.639 - 2.742
 
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 Occurs on rocky coasts to 15 m depth, usually where wave turbulence is strong. Attached to open rock faces or in pools and clefts.
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Typically occurs on rocks in the kelp zone in very exposed situations, usually on vertical surfaces, from lower shore to 30m.
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Source: Encyclopedia of Marine Life of Britain and Ireland

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