dangerous cosmopolitan freshwater predator fish channel catfish swim in water plants and enjoy aquarium life, killer ready to hunt

aggressive algae america animal aqua aquadesign aquarium aquatic barbel behaviour biotope cat catfish channel clear cosmopolitan dangerous demonstrating design driftwood ecology enjoy eye farm farming fauna fin fish fishkeeping freshwater gravel hunt ictaluridae ictalurus instinct invasive juvenile killer life line live local macro masking natural nature ornamental plants powerful predator prey punctatus ready river sand states strong swim tank threat underwater united voracious water widespread wild