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3.2 Conservation status. 4 As food. 5 Attacks on ... The wels catfish (/ ... The Wels was the subject of an episode in the first season of the documentary television ...
These wells are 4–13 metres (13–43 ft) deep. In these wells, these fish are more common during the dry season when the water depth recedes to about 30 centimetres (12 in), and are rarer during the rainy season when the depth can increase by several metres. The water is warm and acidic (pH 5-6). [6]
Additionally 3191 fish species (21% of those evaluated) are listed as data deficient, meaning there is insufficient information for a full assessment of conservation status. As these species typically have small distributions and/or populations, they are intrinsically likely to be threatened, according to the IUCN. [ 2 ]
Italian fisherman Dino Ferrari caught a 280-lb. Wels Catfish Thursday in Italy's Po Delta river, setting a new record. The U.K. Mirror reported that the catch is the world's largest wels catfish ...
Note 3 This fish is listed as either extinct in the UK only , critically endangered species IUCN status , endangered species IUCN status , vulnerable species IUCN status , by the International Union for Conservation of Nature (IUCN). Note 4 - It is assumed that wels catfish records were suspended by the BRFC in 2000 due to suspected importation ...
The following tags are used to indicate the conservation status of species with IUCN criteria: EX: ... Wels catfish: Flusswels: Least concern: Ordo: ... 4: 223–232 ...
The IUCN Red List of Threatened Species by the International Union for Conservation of Nature is the best known worldwide conservation status listing and ranking system. . Species are classified by the IUCN Red List into nine groups set through criteria such as rate of decline, population size, area of geographic distribution, and degree of population and distribution fragmenta
Siluriformes, or catfish, are a diverse order of fish distinguished by prominent barbels, which give the image of cat-like whiskers. In Swedish waters, the only species of this order is the wels catfish (Siluris glanis). This very large freshwater fish is common over much of continental Europe, and was once well known in Sweden.