Next set of photos Catfish Siluriformes - if yesterday freshwater fish that we have discussed are tilapia, now we will discuss the catfish. Catfish (order Siluriformes) are a diverse group of ray-finned fish. Named for their prominent barbels, which resemble a cat's whiskers, catfish range of size and behavior, the Mekong giant catfish, the heaviest and longest of Southeast Asia and the second longest, Wels catfish of Eurasia, to detritivores (species that eat dead material on the bottom), and even for small parasitic species commonly called the Candiru, Vandellia cirrhosa.
Description and type of Catfish
There are types of armored and also naked types, do not have scales. Despite their name, not all catfish have prominent barbels, a member of the order Siluriformes defined by the features of the skull and swimbladder. Catfish are considerable commercial importance, many of the larger species farmed or fished for food. Many smaller species, especially the genus Corydoras, are important in the aquarium hobby. Catfish known to be active during the night. Lele has one of the largest ranges in size in the order of bony fish. Many catfish have a maximum length of 12 cm. Some of the smallest species of Aspredinidae and Trichomycteridae reach sexual maturity at only 1 centimeter (0:39 in).
Spreading And Population
Catfish species living in the waters of every continent except Antarctica. Catfish are most diverse in tropical South America, North America, Africa, and Asia. More than half of all catfish species live in America. They are the only ostariophysans that have entered freshwater habitats in Madagascar, Australia, and New Guinea.
They are found in freshwater environments, though most inhabit shallow, running water. Representatives of at least eight families are hypogean (live underground) with three families who also troglobitic (inhabiting caves) .One such cisternarum Phreatobius species, known to live underground in phreatic habitats. Many species of the family Ariidae and Plotosidae, and several species of the Aspredinidae and Bagridae, found in salt water.
In the United States, catfish species may be known by various names slang, such as "mud cat", "polliwogs", or "chuckleheads". This nickname is not standard, so one area can call bullhead catfish with the nickname "imbecile", while in other countries or regions, a nickname that refers to the blue catfish.
Well it is the information that I can give to you about catfish, hopefully this information can be useful for you and those around you.