She told him she waited in line for three hours to get a hot dog, and that conditions on the ship were terrible.

NPR: Carnival Cancels 12 More Cruises On Troubled Ship

Marissa Jenks said her family reported they had a hot meal Thursday morning and crew members were trying to clean up the ship as it neared port.

CNN: Crippled cruise ship returns; passengers happy to be back

One recent weapon is what frog-busters are calling a "hot shower chamber, " a modified freight container used by nurseries to ship plants, with multiple heads that spray heated water onto the plants and kill any coquis that might be lurking there.

WSJ: When It Gets Too Noisy in Paradise, They Call the Frog Whisperer