For the last two months, marine restoration teams have been hauling up coffee table-like structures from Florida Keys waters. They're called casitas -- Spanish for "little houses."
Cute name -- but the National Oceanic and Atmospheric Administration says these things can be really nasty. They're made out of a wide variety of materials, including corrugated tin, plastic and cement.
When lobsters seek shelter under the artificial habitats, poachers can catch as many as 1,500 a day, far exceedng the daily catch limit of 250.