From: utzoo!decvax!harpo!eagle!mhtsa!mh3bs!fmc Newsgroups: net.cooks Title: Shrimps black line-summary of replies Article-I.D.: mh3bs.245 Posted: Thu Feb 17 11:54:52 1983 Received: Mon Feb 21 21:18:57 1983 My question on what the black line down a shrimps back is received 12 mail responses. 11 said it should be cleaned out. 7 said it was digestive remains or equivalent, 3 said it was a vein. One claimed that it is the nerve cord, and that mercury poisons tend to accumulate in nervous tissues. Thanks to all - I think I will only patronize restaurants that clean it out from now on.