Long considered scripture for fish eating, yesterday the Monterey Bay Aquarium expanded its sustainable seafood guide to an include an edition for sushi. This time around, there are some big additions, or rather, subtractions: "Farm-raised salmon is out because the breeding pens pollute the ocean. Unagi is a no-no because ranchers gather wild baby eels in the ocean and bring them to the farm. Shrimp destroys ecologically precious mangroves, and some types of tuna are on the avoid list because of depletion and mercury content. Instead, environmentalists want people to order bay scallops, smelt roe from Iceland or sea urchin from Canada (but not Maine)." [SJMN]For more stories from Eater SF, go to sf.eater.com.