channel catfish, ictalurus punctatus, dangerous invasive freshwater predator in european biotope fish aquarium

aggressive america animal aqua aquarium aquatic attentively barbel biotope cat catfish ceratophyllum channel clear closeup danger dangerous decorative driftwood ecology european eye fauna fin fish fishkeeping freshwater gravel grey hornwort ictaluridae ictalurus instinct invasion invasive juvenile line lips macro mouth native natural nature ornamental photo predator punctatus river sand states swim tank threat underwater united watch water widespread wild