round goby

Scientific name Neogobius melanostomus
Descriptor Pallas
Year of description 1814
IUCN category LC
Family Gobiidae
Genus Neogobius
Neogobius melanostomus Neogobius melanostomus


Neogobius melanostomus, commonly known as round goby, is a fresh water, brackish water and salt water fish.

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Who is it?


  • Average size
    30 cm
  • Maximum size
    35 cm
  • Mimicry
    rocky bottoms
  • Average size
    30 cm
  • Maximum size
    35 cm
  • Mimicry
    rocky bottoms

How to recognize the round goby ?

The round goby measures between 30 and 35 cm. This fish is multicolore with a predominantly marron and beige body.

Behaviour & Life cycle

  • diet
  • Sociability
  • territorial
  • Way of living

The round goby is a fish solitary naturally found on the bottom. This species is carnivorous .

The round goby is a territorial animal that does not tolerate any incursions into its living area. It is particularly virulent against other territorial species and it can provoke heated fights. Relationships between conspecifics are also hectic, with each seeking to secure its place.


  • Reproduction
    ovipare qui pond sur substrat découvert
  • Migratory species

The round goby is a fish ovipare qui pond sur substrat découvert. This species is amphidromous. It gives birth to larvae in fresh water which are immediately carried by the current of the rivers to the sea. These develop in salt water until a juvenile stage and then migrate from the sea to the interior of the land to continue their growth. This fish protects its eggs from nearby predators.

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
  • Depth
    0 - 30 m
  • Flow
    Slow and Stagnant

Biotope presentation

The round goby is most often found at a depth between 0m and 30m. 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


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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Where to see this species?

Species of the same family

Species of the same biotope

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