Cururu Ray

Scientific name Potamotrygon wallacei
Descriptor Carvalho, Rosa & Araújo
Year of description 2016
IUCN category NE
Family Potamotrygonidae
Genus Potamotrygon
Potamotrygon wallacei Potamotrygon wallacei

Introduction

Potamotrygon wallacei, commonly known as Cururu Ray, is a fresh water fish from the Amérique du Sud.

Who is it?

Morphology

  • Average size
    30 cm
  • Maximum size
    31 cm
  • Shape
    Circular
  • Mimicry
    mud
  • Pattern
    ponctuations
  • Average size
    30 cm
  • Maximum size
    31 cm
  • Shape
    Circular
  • Mimicry
    mud
  • Pattern
    ponctuations

How to recognize the Cururu Ray ?

The Cururu Ray measures between 30 and 31 cm. This fish is bicolore with a predominantly marron and beige body. The also has ponctuations.

Sexual dimorphism

Behaviour & Life cycle

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

The Cururu Ray hunts in the stalk and is one of the predators of its biotope. Opportunistic, it does not hesitate to attack any smaller animal nearby.

The Cururu Ray is a fish solitary naturally found on the bottom. This species is carnivorous .

Although the Cururu Ray is non-territorial, it is sometimes aggressive towards other species.

Reproduction

  • Reproduction
    ovovivipare

The Cururu Ray is a fish ovovivipare.

Risks for humans

  • Venomous
    No
  • Sting
    Yes

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
    25 - 28 °C
  • pH (acidity)
    3.5 - 5.5
  • Flow
    Medium and Slow

Biotope presentation

The acidification of water comes from the decomposition of plants. This phenomenon changes the color of the water, which tends to turn brown. In some areas particularly rich in organic matter, the water is so dark that it is called "black water".

The Cururu Ray is most often found at a depth between 0m and 5m. 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

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

XV. RAYAS DE AGUA DULCE (POTAMOTRYGONIDAE) DE SURAMÉRICA Parte II Colombia, Brasil, Perú, Bolivia, Paraguay, Uruguay y Argentina - Carlos A. Lasso - Ricardo de Souza Rosa - Mónica A. Morales-Betancourt - MARCELO R. DE CARVALHO - Domingos Garrone-Neto - Instituto de Investigación de Recursos Biológicos Alexander von Humboldt - 2016.

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