fleuve - Discover fishes living in these biotopes

It owes its name to the small "horn" located on its lower jaw. The latter has a strategic role, but also a taste role. It captures changes in the electric field to perceive its environment. It also emits electrical discharges that rarely exceed one volt.

Gobio gobio is the most common species of gudgeon in Europe. It is a benthic fish that prefers clear waters with sandy and gravelly bottoms. During the day, it continuously sifts through the substrate in search of small invertebrates (insect larvae, crustaceans, oligochaetes, mollusks).

Its dark bands allow it to hide in the vegetation. Its reproduction in aquarium is more difficult than that of other species of tilapia. Nevertheless, it is bred in pisciculture.

Its mouth, equipped with full lips, allows it to cling to various surfaces. It uses it rough tongue to scrape the algae growing on the rocks ... and on the glass of an aquarium. Warning, it measures a few centimeters when you bought it, but it can grow quickly.

Much of it body is transparent. In the rainy season, it takes advantage of the floods to exit the riverbed where it lives to breed. It easily accommodates to life in the aquarium. Its flesh is used for the production of a "fish sauce".