Interesting read

[Amstar]

http://news.yahoo.com/s/ap/20080814/ap_on_sc/lionfish_invasion

The red lionfish, a tropical native of the Indian and Pacific oceans that probably escaped from a Florida fish tank, is showing up everywhere — from the coasts of Cuba and Hispaniola to Little Cayman's pristine Bloody Bay Wall, one of the region's prime destinations for divers.

goes on to say

Researchers believe lionfish were introduced into the Atlantic in 1992, when Hurricane Andrew shattered a private aquarium and six of them spilled into Miami's Biscayne Bay, according to the National Oceanic and Atmospheric Administration.

[Joel]

Divers have reported seeing lion fish up in the Carolina's on a regular basis as well.