among the guests emerging from today's dive is christopher alleyne from grenada. christopher: it was amazing! to see the corals, the fish, lobster, the life down there is really good. and i like to see what i'm seeing. >> although the general situation around the caribbean's smaller islands is far from good. the strait between st. kitts and nevis is known as "the narrows", measuring less than 4 kilometers wide. this stretch of water is traversed every day by fishing boots, water taxis, cruise ships and local ferries -and that leads to conflicts. the nature conservancy" wants to see the creation of defined zones called "marine managed areas," one would be reserved for fishermen only, the other for tourists. sherry: the fishermen traditionally set their pots in the narrows. but this is the nursery ground. if their pots are there and they're taking the juvenile fish, then those juvenile fish do not get to live to be old and bigger, and as scientists we know that small fish produce millions less eggs than a larger fish. the longer you let them grow, the more eggs they