sterlet sturgeon

Scientific name Acipenser ruthenus
Descriptor Linnaeus
Year of description 1758
IUCN category EN
Family Acipenseridae
Genus Acipenser
Acipenser ruthenus Acipenser ruthenus


Acipenser ruthenus, commonly known as sterlet sturgeon, is a fresh water fish from the Eurasia.

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Who is it?


  • Average size
    40 cm
  • Maximum size
    100 cm
  • Longevity
    20 year
  • Shape
  • Average size
    40 cm
  • Maximum size
    100 cm
  • Longevity
    20 year
  • Shape

How to recognize the sterlet sturgeon ?

The sterlet sturgeon measures between 40 and 100 cm.

Behaviour & Life cycle

  • diet
  • Sociability
    living in shoals
  • territorial
  • Way of living

The sterlet sturgeon is a fish living in shoals naturally found near the bottom. This species is carnivorous .

n general, this species does not care much about other animals crossing its path.


  • Reproduction
    ovipare qui pond en eau libre

The sterlet sturgeon is a fish ovipare qui pond en eau libre.

Harmless species

This species does not represent any particular threats to humans when encountered in its natural environment.

Where to find it?

Where to see this species?

What is its habitat?

Natural environment characteristics

  • Temperature
    4 - 20 °C
  • pH (acidity)
    7.5 - 8
  • gh (hardness)
    8 - 12
  • Flow

Biotope presentation

To go further

To read on the web

Sources & Contributions

Participation & Validation

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Bill François

Bill François


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Where to see this species?

Same genus

Scientific partners

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