What kind of fish is the wels catfish?
The Wels Catfish ( Silurus glanis) is a species of Catfish native to Northern and Eastern Europe. It is one of the largest species of catfish in the world. The Wels first appears in the episode European Maneater.
How has the wels catfish affected other fish in the Segre?
Following the introduction of wels catfish, populations of other fish species have undergone steep declines. Since its introduction in the Mequinenza Reservoir in 1974, it has spread to other parts of the Ebro basin, including its tributaries, especially the Segre River.
How big do wels catfish get in Hungary?
(According to the Hungarian naturalist Ottó Hermann [1835-1914], catfish of 300–400 kilograms were also caught in Hungary in the old centuries from the Tisza river.) Most adult wels catfish are about 1.3–1.6 m (4 ft 3 in–5 ft 3 in) long; fish longer than 2 m (6 ft 7 in) are a rarity.
How did Jeremy catch the WELS specimen?
Fishermen were losing their livelihoods as a result of the catfish damaging their nets. Jeremy then obtained access to fish at a dam on the river Po. While fishing into the night, he caught a Wels specimen that measured 7 feet 2 inches.
Why is the wels catfish a threat to the environment?
Due to the significant alteration of the trophic structure of the affected ecological communities, the Wels catfish may also reduce the quality of the water of our impounded waters, which supply a large part of the population.
What kind of fish is the Silurus glanis?
Generate a print friendly version containing only the sections you need. Wels catfish (Silurus glanis); adult fish, captured in the Syr Darya, a river in Central Asia. Wels catfish (Silurus glanis); adult fish, captured in the Syr Darya, a river in Central Asia.
What does a winwels catfish look like?
Wels catfish are distinguishable by an elongated scale-less, slime-covered body, with strong upper body strength and laterally flattened tail. They have a tiny dorsal fin made up of a single spine and 4-5 dorsal soft rays, one anal spine, 83-95 soft anal rays and a caudal fin of 17 soft rays ( Froese and Pauly, 2012 ).