Overview

Comprehensive Description

Description

 Pleurobranchus membranaceus is a large, round sea slug up to 12 cm in length. The body consists of the brown mantle, which is covered in short fleshy projections known as tubercles, and a white foot, which forms a 'skirt' around the mantle. The front end bears obvious tentacles the outer oral tentacles and the rhinophores between them. The rhinophores consist of rolled extensions of tissue.Pleurobranchus membranaceus may be seen swimming by turning onto its back and flapping the foot like wings.
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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 24 specimens in 1 taxon.
Water temperature and chemistry ranges based on 2 samples.

Environmental ranges
  Depth range (m): 4 - 76
  Temperature range (°C): 10.817 - 10.817
  Nitrate (umol/L): 4.487 - 4.487
  Salinity (PPS): 34.186 - 34.186
  Oxygen (ml/l): 6.158 - 6.158
  Phosphate (umol/l): 0.389 - 0.389
  Silicate (umol/l): 2.147 - 2.147

Graphical representation

Depth range (m): 4 - 76
 
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 Found on the rocky intertidal and sublittoral in association with its prey, the sea squirts Ascidia mentula, Ascidiella aspersa and Botryllus schlosseri.
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©  The Marine Biological Association of the United Kingdom

Source: Marine Life Information Network

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