marbled spinefoot

Scientific name Siganus rivulatus
Descriptor Forsskål & Niebuhr
Year of description 1775
IUCN category LC
Family Siganidae
Genus Siganus
Siganus rivulatus Siganus rivulatus


Siganus rivulatus, commonly known as marbled spinefoot, is a brackish water and salt water fish.

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Who is it?


  • Average size
    20 cm
  • Maximum size
    27 cm
  • Longevity
    8 year
  • Pattern
    horizontal stripes
  • Average size
    20 cm
  • Maximum size
    27 cm
  • Longevity
    8 year
  • Pattern
    horizontal stripes

How to recognize the marbled spinefoot ?

The marbled spinefoot measures between 20 and 27 cm. This fish is bicolore with a predominantly argent, marron and gris body. The also has orange horizontal stripes.

Behaviour & Life cycle

  • diet
  • Sociability
    living in shoals
  • territorial
  • Way of living

The marbled spinefoot is a fish living in shoals naturally found near the bottom. This species is herbivorous .

Although the marbled spinefoot is non-territorial, it is sometimes aggressive towards other species.


  • Reproduction
    ovipare qui pond en eau libre

The marbled spinefoot is a fish 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?

What is its habitat?

Natural environment characteristics

  • Temperature
    24 - 30 °C
  • Depth
    1 - 30 m

Biotope presentation

The marbled spinefoot is most often found at a depth between 1m and 30m. 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


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Same genus

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