spotted weever

Scientific name Trachinus araneus
Descriptor Cuvier
Year of description 1829
IUCN category LC
Family Trachinidae
Genus Trachinus
Trachinus araneus Trachinus araneus

Introduction

Trachinus araneus, commonly known as spotted weever, is a salt water fish.

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Who is it?

Morphology

  • Average size
    30 cm
  • Maximum size
    45 cm
  • Longevity
    16 year
  • Mimicry
    sand
  • Pattern
    tasks
  • Average size
    30 cm
  • Maximum size
    45 cm
  • Longevity
    16 year
  • Mimicry
    sand
  • Pattern
    tasks

How to recognize the spotted weever ?

The spotted weever measures between 30 and 45 cm. This fish is bicolore with a predominantly marron and beige body. The also has marron tasks.

Behaviour & Life cycle

  • diet
    carnivorous
  • Sociability
    solitary
  • territorial
    Yes
  • Way of living
    diurnal

The spotted weever is a fish solitary naturally found near the bottom. This species is carnivorous .

Reproduction

  • Reproduction
    ovipare qui pond en eau libre

The spotted weever is a fish ovipare qui pond en eau libre.

Life-threatening species

  • Venomous
    Yes

This species is venomous and can cause serious injuries when touched. In the most serious cases, it can cause death.

What to do in the event of a sting?

in case of sting, the following rules should be followed, in this order:

  • Isolate the victim from the danger and quickly remove him or her from the water
  • Call for help
  • Lay the victim down in a half-sitting position and avoid any effort
  • Immobilize the affected limb
  • Clean the wound
  • The venom of this species being thermolabile, it can be neutralized if it is submitted to a temperature of about 45 °C. It is therefore possible to heat the wound. This popular technique should be practiced with great care so as not to aggravate the wound by burning it. It is advisable to immerse the affected limb in hot water.
  • If the puncture is too deep, heating the wound will be less effective.

Sometimes the sting can cause discomfort or even loss of consciousness in the victim. The stings are usually very painful.

Where to find it?

What is its habitat?

Natural environment characteristics

  • Depth
    1 - 100 m

Biotope presentation

The spotted weever is most often found at a depth between 1m and 100m. 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.

Benoit Chartrer

Benoit Chartrer

Julie Magnus

Julie Magnus

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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