thornback skate

Scientific name Raja clavata
Descriptor Linnaeus
Year of description 1758
IUCN category NT
Family Rajidae
Genus Raja
Raja clavata Raja clavata


Raja clavata, commonly known as thornback skate, is a salt water fish.

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Who is it?


  • Average size
    85 cm
  • Maximum size
    140 cm
  • Pattern
  • Average size
    85 cm
  • Maximum size
    140 cm
  • Pattern

How to recognize the thornback skate ?

The thornback skate measures between 85 and 140 cm. This fish is bicolore with a predominantly marron and beige body. The also has marron tasks.

Behaviour & Life cycle

  • diet
  • Sociability
  • territorial
  • Way of living

The thornback skate is a fish solitary naturally found on the bottom. This species is carnivorous . This fish lives mainly at night. Usually, it leaves its hiding place and starts to be active once it gets dark.

This species is territorial and does not appreciate the presence of intruders nearby, especially animals with similar behavior. However, the thornback skate has little concern for non-territorial animals.


  • Reproduction
    ovipare qui dépose ses Œufs dans la végétation
  • Migratory species
  • Polygamy

The thornback skate is a fish ovipare qui dépose ses Œufs dans la végétation. In this species, the dominant males are polygamous and reproduce each season with several females.

Risks for humans

  • Venomous

This species is venomous and can cause serious injuries when touched.

Where to find it?

Where to see this species?

What is its habitat?

Natural environment characteristics

  • Temperature
    7 - 16 °C
  • Depth
    5 - 300 m

Biotope presentation

The thornback skate is most often found at a depth between 5m and 300m. 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.

Benoit Chartrer

Benoit Chartrer


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?

Same genus

Species of the same biotope

Scientific partners

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