Ecology

Habitat

Depth range based on 10 specimens in 1 taxon.
Water temperature and chemistry ranges based on 4 samples.

Environmental ranges
  Depth range (m): 0 - 352.5
  Temperature range (°C): 10.496 - 15.556
  Nitrate (umol/L): 0.535 - 13.759
  Salinity (PPS): 33.823 - 38.444
  Oxygen (ml/l): 4.702 - 6.362
  Phosphate (umol/l): 0.095 - 0.653
  Silicate (umol/l): 1.434 - 5.139

Graphical representation

Depth range (m): 0 - 352.5

Temperature range (°C): 10.496 - 15.556

Nitrate (umol/L): 0.535 - 13.759

Salinity (PPS): 33.823 - 38.444

Oxygen (ml/l): 4.702 - 6.362

Phosphate (umol/l): 0.095 - 0.653

Silicate (umol/l): 1.434 - 5.139
 
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Alcyonium palmatum

The following is a representative barcode sequence, the centroid of all available sequences for this species.


No available public DNA sequences.

Download FASTA File
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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Statistics of barcoding coverage: Alcyonium palmatum

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 1
Specimens with Barcodes: 1
Species With Barcodes: 1
Creative Commons Attribution 3.0 (CC BY 3.0)

© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Wikipedia

Alcyonium palmatum

Alcyonium palmatum or red dead man's fingers is a species of soft coral in the Alcyoniidae family.

Contents

Description

Red dead man's fingers is a colonial coral forming clumps of red fleshy masses of finger-like lobes. The surface layer include many sclerites which form a crust.[2] The individual polyps are white and translucent, and project from the leathery surface when feeding, giving the colony a furry appearance.[3] By swallowing or ejecting water an entire colony can expand or shrink considerably.

Distribution and habitat

Red dead man's fingers is found along the Mediterranean and Atlantic coasts of north west Europe from Portugal to Norway. The polyps live in colonies attached to bedrock, boulders, stones and occasionally the shells of crabs and gastropods. They are most plentiful in areas with strong water movement and where there is insufficient sunlight for algae to predominate. They are usually found in the sublittoral zone down to about fifty metres.[1]

Biology

The colonies of red dead man's fingers are nearly always either male or female, although a small number of hermaphrodite colonies are found. Colony growth occurs mainly in the first half of the year with the polyps becoming inactive in late summer, and the base tissue turning reddish or brownish due to the growth of algae and hydroids on the surface. At this time the gonads are developing and spawning occurs in December and January.

The polyps feed at various times of the day with their tentacles extended. They are suspension feeders gathering plankton from the water with the help of cilia, and absorbing oxygen at the same time.[1]

References

  1. ^ a b c "Encyclopedia of Life". Eol.org. Retrieved 2012-09-27. 
  2. ^ "Taxonomy Identification". Marlin.ac.uk. 
  3. ^ "Encyclopedia of Marine Life of Britain and Ireland". Habitas.org.uk. Retrieved 2012-09-27. 
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