Overview

Comprehensive Description

Description

 Dosinia lupinus is a bivalve with a solid shell that is almost circular in outline, moderately concave and grows to a maximum of about 4 cm in diameter. Both valves are similar in shape and colour (equivalve).The prominent beak at the hinge points to the right and is slightly anterior to the mid line (inequilateral). The shell is off-white, fawn or light brown in colour with a sculpture of fine concentric lines on the outside. It is glossy white on the inside and the line joining the two adductor muscle scars (pallial line) has a deep U-shaped indentation (pallial sinus).Dosinia lupinus is very similar to the rayed Artemis, Dosinia exoleta. They can be distinguished by the fine detail of the shell around the hinge area (Hayward et al., 1996).
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©  The Marine Biological Association of the United Kingdom

Source: Marine Life Information Network

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Ecology

Habitat

Depth range based on 23 specimens in 1 taxon.
Water temperature and chemistry ranges based on 22 samples.

Environmental ranges
  Depth range (m): 0 - 141
  Temperature range (°C): 6.845 - 10.184
  Nitrate (umol/L): 2.055 - 10.598
  Salinity (PPS): 33.861 - 35.253
  Oxygen (ml/l): 5.996 - 6.440
  Phosphate (umol/l): 0.399 - 0.801
  Silicate (umol/l): 2.459 - 5.079

Graphical representation

Depth range (m): 0 - 141

Temperature range (°C): 6.845 - 10.184

Nitrate (umol/L): 2.055 - 10.598

Salinity (PPS): 33.861 - 35.253

Oxygen (ml/l): 5.996 - 6.440

Phosphate (umol/l): 0.399 - 0.801

Silicate (umol/l): 2.459 - 5.079
 
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 Dosinia lupinus occurs on shores of varying wave exposure where it burrows deeply into soft sediments that include fine or coarse sand, sand and mud mixtures or shell gravel. It is found on the lower shore and sublittorally to a depth of about 120 m.
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