Last spring, 19 members of Congress from the Northeast wrote to the U.S. Department of Agriculture [pdf] asking the agency to buy Atlantic spiny dogfish under the Section 32 program, which buys surplus food and then makes it available to the National School Lunch Program and other federal programs. (discovermagazine.com)
Other studies place mercury levels in spiny dogfish somewhere between canned albacore tuna on the low end and Spanish mackerel, swordfish, bluefish and orange roughy on the high end. (discovermagazine.com)
We also used to see vast schools of spiny dogfish sharks in the San Juan Islands. (sea-quest-kayak.com)