spiny starfish

Scientific name Marthasterias glacialis
Descriptor Linnaeus
Year of description 1758
IUCN category (World) NE
Family Asteriidae
Genus Marthasterias
Marthasterias glacialis Marthasterias glacialis


Marthasterias glacialis, commonly known as spiny starfish , is a salt water echinoderm.

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Who is it?


  • Size
    22 - 70 cm
  • Longevity
    13 year
  • Size
    22 - 70 cm
  • Longevity
    13 year

How to recognize the spiny starfish ?

The spiny starfish measures between 22 and 70 cm. This echinoderm is unicolore with a predominantly jaune, orange, blanc, beige and gris body.

Behaviour & Life cycle

  • diet
  • Sociability
  • territorial
  • Way of living

The spiny starfish is an echinoderm solitary naturally found on the bottom. This species is carnivorous .

Although the spiny starfish is non-territorial, it is sometimes aggressive towards other species.


  • Reproduction
    ovipare qui pond en eau libre
    • Fertilization
    • Active sexual selection

The spiny starfish is an echinoderm ovipare qui pond en eau libre.

Harmless species

This species does not represent any particular threats to humans when encountered in its natural environment.

Where to find it?

Where to see this species?

What is its habitat?

Natural environment characteristics

  • Temperature
    14 - 19 °C
  • Depth
    0 - 180 m

Biotope presentation

The spiny starfish is most often found at a depth between 0m and 180m. However, it is not impossible to find this species at other depths.

Species of the same biotope

To go further

Species of the same family

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 family

Species of the same biotope

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