Tropical fish catfish species

Catfish (order Siluriformes) are a very diverse group of bony fish. Named for their prominent barbels, which give the image of cat-like whiskers, catfish range in size and behavior from the heaviest, the Mekong giant catfish in Southeast Asia and the longest, the wels catfish of Eurasia, to detritivores (species that eat dead material on the bottom), and even to a tiny parasitic species commonly called the candiru, Vandellia cirrhosa. There are armour-plated types and also naked types, neither having scales. Despite their common name, not all catfish have prominent barbels; what defines a fish as being in the order Siluriformes are in fact certain features of the skull and swimbladder. Catfish are of considerable commercial importance; many of the larger species are farmed or fished for food, and some are exploited for sport fishing, including a kind known as noodling. Many of the smaller species, particularly the genus Corydoras, are important in the aquarium hobby


Yes, it is a very serious problem, one of many

by ghodaza

Caused by the importation of exotics as pets and their subsequent release in south florida.
The "walking catfish" is another. There are actually a whole bunch of problems with freshwater aquatic systems in florida but the "walking catfish" one is the only one that's caught the public's fancy at all (presumably because it is seen on land at times). There are literally dozens of exotic fish species that are problems, along with plants, snails, etc brought in by the tropical fish industry.
As fucked up as florida's terrestrial ecosystems are, they're in great shape compared to her freshwater aquatic ecosystems in at least parts of florida.

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