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Overview

Comprehensive Description

Description

 The sexual (gametophyte) plant is delicate, up to 30 cm tall, with barbed branches and is rosy pink, yellowish-pink or whitish-pink in colour. The thallus has prominent major axes, bare in lower parts but densely tufted above. The plant is attached to other algae by barbed rhizoids. The asexual (tetrasporophyte) plant is a rose-pink in colour, and is formed of irregularly-branched, polysiphonous axes that are usually aggregated into spherical or hemispherical masses 1-3 cm in diameter.The asexual (tetrasporangial) phase of Asparagopsis armata was once described as a separate species, Falkenbergia rufolanosa. The alga is a non-native species first recorded in Ireland in Galway Bay in 1939 and Britain in 1949 at Lundy in the Bristol Channel.
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©  The Marine Biological Association of the United Kingdom

Source: Marine Life Information Network

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Description

The gametangial plant grows to 30 cms long and is attached by barbed rhizoids to other algae. Thallus with tufts of branchlets all about the same length and spirally arranged. The tetrasporic phase (=Falkenbergia) is of small fine filaments irregularly branched which aggregrate into small fluffy balls.
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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

Southern and western shores of the British Isles: Ireland, England, Scotland including the Shetlands and the Isle of Man. Europe: Mediterranean, Azores, Portugal and Spain. Further afield: Canary Islands, Marocco, Australia, New Zealand, Pacific and Indian Oceans.
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Source: Encyclopedia of Marine Life of Britain and Ireland

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Physical Description

Type Information

Type locality: Garden Island, Western Australia
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Source: AlgaeBase

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Isotype for Asparagopsis armata Harv.
Catalog Number: US 56859
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): W. H. Harvey
Year Collected: 1854
Locality: Australia, Australasia
  • Isotype: Harvey, W. H. 1859. Fl. Tasman. 2: 300.
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© Smithsonian Institution, National Museum of Natural History, Department of Botany

Source: National Museum of Natural History Collections

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Syntype for Asparagopsis armata Harv.
Catalog Number: US 56068
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): W. H. Harvey
Year Collected: 1854
Locality: King George Sound., Garden Island, Western Australia, Australia, Australasia
  • Syntype: Harvey, W. H. 1855. Transactions of The Royal Irish Academy. 22 (Science): 544.
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© Smithsonian Institution, National Museum of Natural History, Department of Botany

Source: National Museum of Natural History Collections

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Ecology

Habitat

Depth range based on 58 specimens in 1 taxon.
Water temperature and chemistry ranges based on 8 samples.

Environmental ranges
  Depth range (m): 0 - 30
  Temperature range (°C): 12.270 - 21.061
  Nitrate (umol/L): 0.211 - 4.820
  Salinity (PPS): 35.343 - 38.201
  Oxygen (ml/l): 5.197 - 6.174
  Phosphate (umol/l): 0.096 - 0.384
  Silicate (umol/l): 1.247 - 5.808

Graphical representation

Depth range (m): 0 - 30

Temperature range (°C): 12.270 - 21.061

Nitrate (umol/L): 0.211 - 4.820

Salinity (PPS): 35.343 - 38.201

Oxygen (ml/l): 5.197 - 6.174

Phosphate (umol/l): 0.096 - 0.384

Silicate (umol/l): 1.247 - 5.808
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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 The sexual (gametophyte) plant is found in the shallow sublittoral or in deep littoral pools attached to other algae by its barbed axes. The asexual (tetrasporophyte) plant is typically found sublittorally and is epiphytic or sometimes free-living.
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Both phases are generally epiphytic and sublittoral or free floating.
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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: Asparagopsis armata

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 21
Species With Barcodes: 1
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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Wikipedia

Asparagopsis armata

Asparagopsis armata is a red algae situated mostly in deep areas.

In the Azores Archipelago, this algae measures up to 15 cm and compromises a total of many abundance in local submerged parts, it has a boundary with the sea and is located in the Atlantic.

The cycle or life are in two phases of distinct morphology. It is identified in two different species than the same under the scientific names (Falkenbergia rufolanosa (Harvey) F.Schmitz).

These gametophyte algae occurs between June and July as well as August and September, it conforms to its water distribution. It provides the coloring with red. It has some cylindrical of around 1 mm in length and around 200 mm (20 cm) in width.

See also

References


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