Racquel Darrian's Feet

The catfish rainbow trout

are commonly called "catfish" all those bony fish belonging to the catfish, it's all about 2400 species. The species belonging to this large group are extremely diverse in morphology, habitat, biology and behavior. Many of them are subject to both commercial and sport fishing. Wanting to gain a general picture it is primarily freshwater species and usually equipped with barbs placed in ventral position at the end of the mouth with sensory function, which is very useful in turbid waters, where they often live animals, when the visibility is very low. Some of them are real giants of fresh water and can easily exceed 2 feet in length and 200 kg, examples are the giant catfish ( Pangasianodon gigas) and European catfish (Silurus glanis), the Pangasius (Pangasius hypophthalmus ), a fish more now marketed in Europe and Italy among those from countries outside Europe. Is raised in many parts of the world, especially in Vietnam and Thailand, and is sold in Italy in the form of frozen fillets. In times of livestock shows very fast growth, even gaining weight about three pounds in one year. Among this group of fish parasites are also present (very annoying if not dangerous), among which is definitely worth mentioning Vandellia cirrhosa, known locally as C andirù . Reaches a few centimeters in length and has a partly transparent body. Known as negative in some cases managed to squeeze the urethra when some hapless human urinated immersed in river. These fish are in fact able to detect the presence of urine in the water as they are normally parasites of the gills of larger fish and are attracted by the outflow from their gills and then feed on their blood. This small catfish in the Amazon. Finally we mention as belonging to that group who are certainly well known by many and especially by many freshwater aquarium, the fish cleaners such Ancistrus and Corydoras .

In the photo European catfish (Silurus glanis ), giant freshwater subject of legends, because of its huge size and its great strength, use the title of the eater men.