common sea star

Scientific name Archaster typicus
Descriptor Müller & Troschel
Year of description 1840
IUCN category NE
Family archasteridae
Genus Archaster
Archaster typicus Archaster typicus

Introduction

Archaster typicus, commonly known as common sea star, is a salt water echinoderm.

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Who is it?

Morphology

  • Size
    16 - 22 cm
  • Motif
    tasks
  • Size
    16 - 22 cm
  • Motif
    tasks

How to recognize the common sea star ?

The common sea star measures between 16 and 22 cm. This echinoderm is bicolore with a predominantly noir and gris body. The also has noir tasks.

Behaviour & Life cycle

  • diet
    carnivorous
  • Sociability
    gregarious
  • territorial
    No
  • Way of living
    diurnal

The common sea star is an echinoderm gregarious. This species is carnivorous .

Although the common sea star is non-territorial, it is sometimes aggressive towards other species.

Reproduction

  • Reproduction
    ovipare
    • Active sexual selection
      No

The common sea star is an echinoderm ovipare.

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

  • Depth
    0 - 60 m

Biotope presentation

The common sea star is most often found at a depth between 0m and 60m. 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.

Aurélien Calas

Aurélien Calas

Translation

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.

Bibliographic references

Guide des étoiles de mer, oursins et autres echinodermes du lagon de Nouvelle-Calédonie - A. Guille - P. Laboute - J.L. Menou - Orstom - 1986.

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Where to see this species?

Scientific partners

Species of the same biotope

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