Overview

Comprehensive Description

Description

 A bright red or pink seaweed. Each plant has a small disk-shaped base and erect fronds. The fronds consist of short cylindrical stipes (stalks) rarely longer than 1cm long and blades which may be up to 15 cm long and 10 mm wide. The fronds are dichotomously branched, with undulating margins and an indistinct midrib. The tip of each frond is distinctly rounded. The fronds are perennial and in some case 5 or 6 new periods of growth can be identified. Regeneration occurs following erosion or animal grazing. Continual regeneration leads to great variation in the appearance of individual plants as each new growth could come from the end, margin or surface of the blade. Fronds are frequently encrusted with the spiral tube worm Spirorbis spirorbis or bryozoans.Phyllophora crispa is a cartilaginous seaweed and can, therefore, hold its shape out of water.
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Source: Marine Life Information Network

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Description

Fronds erect and flattened to about 1 cm wide and up to 15 cms long, attached by a small discoid holdfast and short stipe. The parallel sided blades branch dichotomously with joints between the blade. New blades often grow from old blades or surface of the midrib.
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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

Widespread around the British Isles from the Shetlands to the Channel Islands. Europe: Portugal, Spain, France, the Baltic, Norway, Faroes and Iceland. Further afield: Canary Islands.
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Source: Encyclopedia of Marine Life of Britain and Ireland

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Physical Description

Type Information

Type locality: As Suways (Suez), Egypt; AlÕAqabah (Aqaba), Jordan
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Source: AlgaeBase

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Ecology

Habitat

Depth range based on 192 specimens in 1 taxon.
Water temperature and chemistry ranges based on 21 samples.

Environmental ranges
  Depth range (m): 0 - 36.3
  Temperature range (°C): 11.054 - 12.270
  Nitrate (umol/L): 4.573 - 6.816
  Salinity (PPS): 35.008 - 35.343
  Oxygen (ml/l): 6.095 - 6.346
  Phosphate (umol/l): 0.333 - 0.485
  Silicate (umol/l): 2.311 - 3.727

Graphical representation

Depth range (m): 0 - 36.3

Temperature range (°C): 11.054 - 12.270

Nitrate (umol/L): 4.573 - 6.816

Salinity (PPS): 35.008 - 35.343

Oxygen (ml/l): 6.095 - 6.346

Phosphate (umol/l): 0.333 - 0.485

Silicate (umol/l): 2.311 - 3.727
 
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 Phyllophora crispa grows on rock subtidally to depths of 30 m and is commonly found in shady pools in lower intertidal areas.
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Source: Marine Life Information Network

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Not uncommon. Epilithic in well shaded pools of the low littoral and in the sublittoral to 30 m deep.
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Source: Encyclopedia of Marine Life of Britain and Ireland

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Phyllophora crispa

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 1
Species With Barcodes: 1
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Source: Barcode of Life Data Systems (BOLD)

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