They are selling Jumbo Shrimp around here at $5.00 a lb. but i haven't bought any yet. From what i understand all the catches are tested before packaging and if they find oil the whole catch is dumped. I would'nt be afraid of it, but like i said i haven't purchased any yet.
Zip.
PS i can also buy 31 to 40 size peeled and devained at WallMart for $5.00 a lb. probably imported.