Physical Description

Diagnostic Description

Description

Also distributed in East Indies, Philippine, China, south Japan and South Pacific Is. (Clark & Rowe, 1971); Australia (Rowe & Gates, 1995). Ecology: benthic, inshore. General distribution: tropical, Indo-west Pacific (also recorded from the Red Sea), depth range 0-40 m. (Rowe & Gates, 1995).
  • Rowe, F.W.E & Gates, J. (1995). Echinodermata. In ‘Zoological Catalogue of Australia’. 33 (Ed A. Wells.) pp xiii + 510 (CSIRO Australia, Melbourne.)
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Source: World Register of Marine Species

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Ecology

Habitat

Depth range based on 10 specimens in 1 taxon.
Water temperature and chemistry ranges based on 7 samples.

Environmental ranges
  Depth range (m): 1.5 - 53
  Temperature range (°C): 23.980 - 28.954
  Nitrate (umol/L): 0.060 - 0.655
  Salinity (PPS): 34.131 - 34.673
  Oxygen (ml/l): 4.387 - 4.820
  Phosphate (umol/l): 0.085 - 0.226
  Silicate (umol/l): 1.312 - 2.541

Graphical representation

Depth range (m): 1.5 - 53

Temperature range (°C): 23.980 - 28.954

Nitrate (umol/L): 0.060 - 0.655

Salinity (PPS): 34.131 - 34.673

Oxygen (ml/l): 4.387 - 4.820

Phosphate (umol/l): 0.085 - 0.226

Silicate (umol/l): 1.312 - 2.541
 
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Choriaster granulatus

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 4
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

Choriaster granulatus

Choriaster granulatus, commonly known as the granulated sea star, cushion seastar,[2]and doughboy star,[3] is a species of starfish.[4] It is the only species in the genus Choriaster.[1]

Contents

Description

Choriaster granulatus is a large seastar, and is easily identified by its five distinctive large, short, thick conical arms. [2] It is usually pale pink in colour, has small, brown papillae in clusters located in the central part of its body. [2] This species grows to a maximum radius of approximately 27 cm.[3]

Distribution

This species is found in numerous tropical waters, including:[3]

Habitat

Choriaster granulatus in Madagascar

Choriaster granulatus lives in shallow waters at depths of up to 40 metres,[5] and is found on rubble slopes, coral reefs,[3] in the reef front, back reef, the external reef, and frequently in locations with rubble and detritus.[2]

Behaviour and diet

This starfish feeds on algae, detritus, and dead animals.[2] One of its predators is the sea snail Triton's trumpet (Charonia tritonis).[3] It also eats various small invertebrates and coral polyps.[5]

References

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