<Tr> <Td_colspan="3"> Suckermouth catfishes are efficient aquarium cleaners that eat benthic algae and weeds . They prefer slow - moving water, canals, lakes, and ponds . In the wild, they can grow considerably larger than their aquarium counterparts and create large burrows into canal and lake beds, which compromise the integrity of shorelines . Their browsing on algae and weeds competes with much smaller native fishes, and birds that attempt to eat them can be harmed by the spiny dorsal fins; 20 strangled brown pelicans were found to have attempted to swallow suckermouth catfishes whole . A study of P. multiradiatus from 1997 to 2008 concluded that the fish had not had any major detrimental effects on the principal native fishes in southeast Florida canals . </Td> </Tr> <Tr> <Td> Clarias batrachus </Td> <Td> Walking catfish </Td> <Td> Thailand / 1960s </Td> <Td> Escaped or released from stocks </Td> </Tr> <Tr> <Td_colspan="3"> Walking catfish can survive out of water for days as long as they remain moist, and can survive in hypoxic water, or water with low dissolved oxygen levels, by breathing air . They are aggressive feeders that browse on smaller native fishes, and fish and crustacean eggs when food is plentiful . When parts of the Everglades go dry seasonally, walking catfish will eat anything they find . They have been recorded migrating to and depleting fish stocks, prompting aquaculture farmers to fence fish pools to keep them out . They furthermore carry enteric septicemia and can pass it to native and stocked fishes . </Td> </Tr> <Tr> <Td> Cichlasoma urophthalmus </Td> <Td> Mayan cichlid </Td> <Td> Mexico, Central America / 1983 </Td> <Td> Dumped from aquariums </Td> </Tr>

Which invasive species to you think is the most dangerous to florida