Fishery and Aquaculture
Lobsters are caught using baited, one-way traps with a colour-coded marker buoy to mark cages. Lobster is fished in water between 1 and 500 fathoms (2 and 900 m), although some lobsters live at 2,000 fathoms (3,700 m). Cages are of plastic-coated galvanised steel or wood. A lobster fisher may tend as many as 2,000 traps. Around the year 2000, due to overfishing and high demand, lobster aquaculture expanded. As of 2008, no lobster aquaculture operation had achieved commercial success, due mainly to the fact that lobsters eat each other (cannibalism) and the slow growth of the species; these two problems make it difficult to make lobster aquaculture profitable.
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