All fish / Potamotrygonidae

Marinae Stingray

Potamotrygon marinae

Also known as marinae ray, marina stingray, gold marinae stingray, marinae freshwater stingray, p. marinae, กระเบนมารีเน่, マリナエ, pari marinae, 马林魟, 黄金马林魟

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A medium-sized freshwater stingray with a round brown disc covered in small yellow to orange spots, giving some lines a striking golden look. Keepers value it for its colour and calm nature, and it stays smaller than many other Potamotrygon species.

Care at a glance

Care level

Hard

Temperament

Peaceful

Adult size

35 cm

Temperature

25 to 30 °C

pH

6 to 7.5

Smallest tank

1200 litres

Keep as

Singly or as a pair or small group in a very large tank

Diet

Carnivore: earthworms, prawns, mussel, white fish, bloodworm and sinking carnivore pellets

Swims

Bottom of the tank

Lifespan

10 to 15 years

Water

Freshwater

Wild range

French Guiana and Suriname (Maroni and Oyapock basins)

Breeding

Like all river stingrays it gives birth to live pups after internal fertilisation, with litters of a few young. It is bred in captivity by specialists, but this needs a large, very clean system and well-conditioned adults.

Good to know

Has a venomous tail spine that can cause very painful wounds, so handle with great care; needs a wide tank with soft sand and excellent filtration. Keeping or importing freshwater stingrays is restricted or banned in some places, so check local rules.