The confluence

This fish reproduces between May and June. During this period, the male has white caruncles (pustules) on its head. The female lays huge quantities of small eggs (100 to 300,000) that attach to the vegetation in the males' territory. The spawning is noisy and causes splashing.

Considered a nuisance in France and throughout Europe, the black bullhead Ameiurus melas is believed to have been introduced in 1871 when a few individuals escaped from the Natural History Museum. They supposedly made their way to the Seine through the sewer system. Today, this species is present throughout most of the territory, but its populations are in decline.

The European eel, A. anguilla, is a freshwater fish native to Europe. Abundant until the 1980s, it has been severely affected by overfishing. It is considered a critically endangered species in France and several neighboring countries.

This fish, very common in our ponds, is subject to sport fishing. There are several varieties: scale carp, the "mirror carp" (large scales) and "leather carp" (bare skin). it food gives it flesh a smell of vase that disappears after a few days spent in a pool. It is very popular in eastern Europe.

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).

The roach is a very common fish in our ponds. Breeding occurs from April to June, the female lays between 150 000 and 200 000 eggs on vegetation, gravel ... Its numbers are increasing throughout Europe. It benefits from warming waters in urban areas and channeling rivers.

This fish is well known in our ponds. The reproduction in this species occurs from May to June, the females lay up to 200,000 eggs on vegetation near the banks. This fish can hybridize with many other species that breed at the same time as it (Roach, Bremen, Bleak ...).

The reproduction of the catfish occurs from June to August. The female lays about 60 000 large eggs in the vegetation, the male protects them for 10 days. Native to Eastern Europe, it was introduced in all major European rivers. In the Meuse, its size can exceed two meters long.

This species is particularly resistant to temperature changes, lack of oxygen and even some chemical pollution. The pelvic fins of the male are larger than those of the female. Contrary to popular belief, the mucus secreted by the skin does not heal other fish.