Assertion: horseshoe crab | /r/HasProperty | caught in bottom trawl surveys
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text: While adult horseshoe crabs have been found as far as 35 miles offshore, 74 percent of the horseshoe crabs caught in bottom trawl surveys conducted by the National Marine Fisheries Service (NMFS), Northeast Fisheries Center were taken in water shallower than 20 meters (Botton and Ropes, 1987a).