Ecology

Habitat

Depth range based on 10 specimens in 3 taxa.
Water temperature and chemistry ranges based on 1 sample.

Environmental ranges
  Depth range (m): 0 - 380
  Temperature range (°C): 24.695 - 24.695
  Nitrate (umol/L): 0.008 - 0.008
  Salinity (PPS): 34.997 - 34.997
  Oxygen (ml/l): 4.878 - 4.878
  Phosphate (umol/l): 0.122 - 0.122
  Silicate (umol/l): 1.242 - 1.242

Graphical representation

Depth range (m): 0 - 380
 
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records:156
Specimens with Sequences:11
Specimens with Barcodes:11
Species:2
Species With Barcodes:1
Public Records:0
Public Species:0
Public BINs:0
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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Genomic DNA is available from 5 specimens with morphological vouchers housed at British Antarctic Survey
Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© Ocean Genome Legacy

Source: Ocean Genome Resource

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Wikipedia

Glaucus (gastropod)

Glaucus is the only genus of small sea slugs, aolid nudibranchs, marine gastropod mollusks in the family Aeolidioidea [1]

Taxonomic history[edit]

The synapomorphies between Glaucus and Glaucilla have made the maintenance of both genera irrelevant. Therefore Glaucus is regarded as the only genus within the family Glaucidae.[2]

In 2014 a careful DNA and anatomical study of the genus unexpectedly revealed the presence of a species complex. Only one species was found in the Atlantic, but the name Glaucus marginatus was revealed to include four separate species. There are three species in the North Pacific Subtropical Gyre System and another species in the South Pacific Subtropical Gyre System. Glaucus atlanticus also occurs throughout the Indo-Pacific as well as in the Atlantic Ocean. In the North Pacific are Glaucus marginatus, Glaucus thompsoni and Glaucus mcfarlanei with Glaucus marginatus also occurring in the Indian Ocean and the South Pacific. Also in the South Pacific is Glaucus bennettae.[3][4] Glaucus atlanticus has some genetic differences in different parts of its range but is considered to be a single species [5]

Species[edit]

Species within the genus Glaucus include:

Species brought into synonymy

References[edit]

  1. ^ Bouchet, P.; Gofas, S. (2013). Glaucus Forster, 1777. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=138033 on 2013-07-17
  2. ^ Valdés A. & Campillo O.A. (2004) Systematics of pelagic aeolid nudibranchs of the family Glaucidae (Mollusca, Gastropoda). Bulletin of Marine Science 75(3): 381–389
  3. ^ Churchill, C. K. C.; Valdés, Á; Ó Foighil, D. (2014). Molecular and morphological systematics of neustonic nudibranchs (Mollusca : Gastropoda : Glaucidae : Glaucus), with descriptions of three new cryptic species. Invertebrate Systematics. 28(2): 174-195.
  4. ^ Churchill, C.K., Alejandrino, A., Valdés, Á. & Ó Foighil, D. 2013. Parallel changes in genital morphology delineate cryptic diversification of planktonic nudibranchs. Proceedings of the Royal Society B. 280:20131224. http://dx.doi.org/10.1098/rspb.2013.1224
  5. ^ Churchill, C.K., Valdés, Á. & Ó Foighil, D. 2014. Afro-Eurasia and the Americas present barriers to gene flow for the cosmopolitan neustonic nudibranch Glaucus atlanticus. Marine Biology, doi: http://dx.doi.org/10.1007/s00227-014-2389-7
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Source: Wikipedia

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