violet sea urchin

Scientific name Sphaerechinus granularis
Descriptor Lamarck
Year of description 1816
IUCN category (World) NE
Family Toxopneustidae
Genus Sphaerechinus
Sphaerechinus granularis Sphaerechinus granularis


Sphaerechinus granularis, commonly known as violet sea urchin, is a salt water echinoderm.

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Who is it?


  • Size
    8 - 13 cm
  • Size
    8 - 13 cm

How to recognize the violet sea urchin ?

The violet sea urchin measures between 8 and 13 cm. This echinoderm is bicolore with a predominantly blanc and violet body.

Behaviour & Life cycle

  • diet
  • Sociability
  • territorial
  • Way of living

The violet sea urchin is an echinoderm solitary naturally found on the bottom. This species is herbivorous .

n general, this species does not care much about other animals crossing its path.


  • Reproduction
    • Active sexual selection

The violet sea urchin is an echinoderm ovipare.

Risks for humans

  • Venomous
  • Sting

Where to find it?

Where to see this species?

What is its habitat?

Natural environment characteristics

  • Temperature
    14 - 21 °C
  • Depth
    2 - 130 m

Biotope presentation

The violet sea urchin is most often found at a depth between 2m and 130m. However, it is not impossible to find this species at other depths.

Species of the same biotope

To go further

To read on the web

Sources & Contributions

Participation & Validation

The Fishipedia team and specialist contributors are committed to providing high-quality content. However, although the information comes from scientific sources or testimonials from specialists, the cards may contain inaccuracies.

Adrien Falzon

Adrien Falzon


Translation done with the valuable contribution of our translators, who make this information available to a wider audience. We sincerely thank them for their commitment.

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Where to see this species?

Scientific partners

Species of the same biotope

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