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Crab traps are used to bait, lure, and catch crabs for commercial or recreational use. Crabbing or crab fishing is the recreational hobby and commercial occupation of fishing for crabs. Different types of traps are used depending on the type of crab you are fishing for, geographic location, and personal preference. == History == Crabbing has been a viable food source since Native Americans lived and fished on the Delmarva Peninsula. The Chesapeake Bay, which is known for their Chesapeake Bay blue crabs (''Callinectes sapidus'') derives its name from "Chesepiook", a Susquehannock tribe word that means "Great Water". These Susquehannock natives led European settlers to some of the best places to catch crabs. Even early treaties between European settlers and Native Americans included provisions for the rights of "Hunting, Crabbing, Fowling, and Fishing."〔(【引用サイトリンク】publisher=skipjack.net )〕 Since then, generations of watermen made their living harvesting Crabs and other resources along the Chesapeake Bay developing the most efficient method to catch crabs resulting in modern crab traps. Since early European settlers in America, crabbing was an important food source to watermen of the Chesapeake and continues to be the source of income for many families. The Alaskan king crab fishing industry took off in the mid-1800s, and was one of the reasons Alaskans pushed so hard for statehood in 1959. Alaskans wanted to gain control of the area’s natural resources, such as King Crabs.〔(【引用サイトリンク】publisher=Discovery Channel )〕 Benjamin F. Lewis invented the crab pot in the 1920s, patented it in 1928, and perfected it ten years later. The crab pot changed the way crabs are harvested on the Chesapeake Bay. The crab pot is the most common method used to catch and harvest crabs worldwide. Commercial crabbing is a very tough and dangerous job, so it is very important that commercial crab traps catch as many crabs as possible to be able to turn a profit. Commercial crabbing is heavily regulated by local state laws to ensure that the crabs are not over fished and that they are given enough time to breed and repopulate.〔(【引用サイトリンク】publisher=Crab Traps )〕 Unlike normal traps, commercial crab traps are large in size; some can easily be over 60" in diameter, allowing the trap to hold a larger amount of crabs than recreational crab traps. Commercial crab traps also contain a small stainless steel plate like a dog tag, which identifies who the trap belongs to in case it is missed or swept by the current from its original location.〔 After World War II, Japanese crab vessels were competition for Alaskan king crab fishermen in the Bering Sea. Japanese Crab vessels would crowd around cod boats, where king crabs devoured the fish waste. Ed Shields, a king crab fisherman was aboard a schooner at this time and recalls the Japanese encroaching on the Bristol Bay fishing area. Ed Shields says that his father sent a telegram to Seattle, ordering one dozen high powered rifles for each vessel and one case of ammunition each. Ed Shields states, "The coast guard didn’t care for this at all, the State Department didn’t care for it, but the news media did. It made good news. There’s no television at this time, but they did get in the national magazines like Time and Life. The adverse publicity to Japanese manufactured goods was so severe at that time from this campaign, the Japanese decided to pull out of Bristol Bay area and he sent a telegram saying, 'Bristol Bay is all clear now, Japanese gone home.'" 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Crab trap」の詳細全文を読む スポンサード リンク
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