The rock goby

rock goby

Scientific name	Gobius paganellus
Descriptor	Linné
Year of description	1758
IUCN category (World)	LC
Family	Gobiidae
Genus	Gobius

Introduction

Gobius paganellus, commonly known as rock goby, is a fresh water, brackish water and salt water fish.

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Who is it?

Morphology

Average size

7 cm
Maximum size

13 cm
Shape

Rectangular
Mimicry

plants

Average size

7 cm
Maximum size

13 cm
Shape

Rectangular
Mimicry

plants

How to recognize the rock goby ?

The rock goby measures around 7 cm. The dominant males can however reach 13 cm. This fish is multicolore with a predominantly rouge, marron and beige body.

Sexual dimorphism

The adult male is bigger than the female.

Behaviour & Life cycle

diet

carnivorous
Sociability

solitary
territorial

No
Way of living

diurnal

The rock goby is a fish solitary. This species is carnivorous .

Although the rock goby is non-territorial, it is sometimes aggressive towards other species.

Reproduction

Reproduction

ovipare qui pond sur substrat caché

The rock goby is a fish ovipare qui pond sur substrat caché. 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?

Origin

Mediterranean Sea Temperate Eastern Atlantic Ocean

islands

Corsica Canary Islands Sardinia Sicily

Conservation status of populations (IUCN)

World : LC

Where to see this species?

What is its habitat?

Natural environment characteristics

Temperature

8 - 24 °C
Depth

0 - 15 m
Flow

Medium, Slow and Stagnant

Biotope presentation

The rock goby is most often found at a depth between 0m and 15m. 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

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.