marbled torpedo ray

Scientific name Torpedo marmorata
Descriptor Risso
Year of description 1810
IUCN category (World) VU
Family Torpedinidae
Genus Torpedo
Torpedo marmorata Torpedo marmorata

Introduction

The Marbled torpedo ray, more commonly known as the marbled torpedo or electric ray, is a fish found from the North Sea to the southwest coast of Africa. This ray is also recorded in the Mediterranean Sea and the Black Sea.

This species mainly inhabits sandy bottoms near rocky reefs and aquatic plants. It is also known for its ventures into brackish estuaries.

Capable of delivering electric shocks, caution should be taken if encountered.

Who is it?

Morphology

  • Type
  • Average size
    60 cm
  • Maximum size
    100 cm
  • Shape
    Circular
  • Mimicry
    sand
  • Pattern
    mottling
  • Type
  • Average size
    60 cm
  • Maximum size
    100 cm
  • Shape
    Circular
  • Mimicry
    sand
  • Pattern
    mottling

How to recognize the marbled torpedo ray ?

The body is thick and disc-shaped. It is beige with brown marbling. Its name marmorata comes from the Latin word meaning marbled. This species is characterized by six to eight papillae on the ventral edges positioned behind the eyes. The gill slits are partially ventral.

The dorsal fin is rounded and unlike most rays, the caudal fin is highly developed.

Sexual dimorphism

Dimorphism is pronounced in this species. Like sharks, males have claspers, reproductive organs at the base of the pelvic fins.

Behaviour & Life cycle

  • diet
    carnivorous
  • Sociability
    solitary
  • territorial
    No
  • Way of living
    nocturnal

The Marbled torpedo ray is a solitary nocturnal fish. During the day, it buries itself in the sand, with only its eyes and spiracles protruding. At night, it moves around in search of prey (fish and crustaceans).

Reproduction

  • Reproduction
    vivipare

The Marbled torpedo ray is a viviparous fish that gives birth to between 2 and 32 pups, measuring 10 to 14 cm, after a gestation period of 8 to 10 months. Males reach maturity at 30 cm, females at 40 cm.

Life-threatening species

  • Venomous
    No
  • Electrocute
    Yes

The shock from this ray is dangerous and can lead to drowning.

Where to find it?

Conservation status of populations (IUCN)

World : VU

Geographic distribution & Conservation

The distribution range of Torpedo marmorata extends from the east of the Atlantic Ocean, from the British Isles to South Africa, and is also found in the Mediterranean basin.

What is its habitat?

Natural environment characteristics

  • Depth
    0 - 370 m

Biotope presentation

The Marbled torpedo ray is found at depths of up to 370 m. It prefers sandy bottoms.

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

Benoit Chartrer

Benoit Chartrer

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.

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