壽司饕客再也不用為了滿足口腹之欲而造成魚種系統崩毀了。美國蒙特利灣水族館、環境保護基金會與藍色海洋研究所推出了三種新的壽司嚴選指南，幫助饕客們做出對魚類和牠們的生態環境衝擊較小的選擇。
這些指南提醒顧客各種不同魚類所面臨的捕殺壓力和不同魚類可能含有的致毒物質及其程度。
蒙特利灣水族館在新的壽司嚴選網頁上寫道：「我們現今所食用的壽司，其實源起於數百年前的魚類保存技術，然而過去魚類數量豐富，而今魚類數量乃是嚴重的議題，該是創造新傳統的時候了。」
這本蒙特利灣水族館海鮮永續指南裡，會針對不同的魚做永續性評分，也特別標出有健康危害的魚類。舉例來說，西班牙鯖魚（青花魚）和鯖魚漁業經營良好，漁獲數量豐富、魚群健康，因此是該水族館所推薦的最佳選擇。
然而在同一時間，環境保護基金會（Environmental Defense Fund）也針對西班牙鯖魚和鯖魚高汞含量一事提出忠告。如果饕客想知道在壽司吧究竟選擇鮪魚是不是比選鮭魚更好，這三本指南都有答案。
環境保護基金會海鮮嚴選隨身指南提供手機查訊基金會所推薦的200多種海鮮選擇。
環境保護基金會的海洋科學家費茲傑羅（Tim Fitzgerald）表示：「我們希望提供忙碌的顧客多種方法來使用我們針對環境和健康進行調查而得到的獨特結論，可能會將這些資訊印在小卡片上，放在我們的網站上，或者讓顧客用手機查詢。」
蒙特利灣水族館則提供手機登入以下網站查詢指南中的訊息：mobile.seafoodwatch.org。
藍色海洋研究所（Blue Ocean Institute）的壽司指南讓有疑問的饕客，傳送有FISH字樣以及魚名的簡訊給研究所，以立即獲得相關魚類永續性的資訊。
即使是可食用的高級魚類都可能有嚴重的影響。例如說，懷孕婦女應該要注意鮪魚、真鯛、大比目魚以及鬼頭刀（鯕鰍）等魚的汞含量。列在環境保護基金會最佳壽司魚類一欄的長鰭鮪魚（白鮪魚）也有含汞警示。
三種指南提供的資訊不盡相同。藍色海洋研究所並沒有提到紅鯛的汞含量，但有談到這種長壽的魚類遭受過度捕殺的傷害，數量正在下降。
有些最好的選擇可能鮮為人知。產於阿拉斯加和加拿大卑詩省沿海海域的銀鱈魚就是蒙特利灣水族館所列出的首選之一，並且也指出銀鱈魚漁業得到海洋管理委員會的永續性標準認可。
銀鱈魚又稱為黑魚或奶油魚。在壽司料理上稱作gindara（ 日文漢字：銀鱈）。
銀鱈魚只產於北太平洋，有著濃郁的奶油風味，因此受到美國與加拿大高級餐廳的矚目。
卑詩省和阿拉斯加的銀鱈漁業經營良好，漁獲豐富且健康。近來也降低誤捕如海鳥等其他動物的機率。
最不被推薦的選擇則是遭到大量捕殺的魚類，像是金槍魚、智利鱸魚（或稱作美露鱈、巴塔哥尼亞美露鱈）以及石斑魚。三本指南都同意這些魚需要休養生息。
Sushi lovers no longer have to contribute to the collapse of whole species of fish to satisfy their appetites. Three new sushi selection guides came out today courtesy of the Monterey Bay Aquarium, Environmental Defense and the Blue Ocean Institute to help diners make choices that are easy on the fishes and their habitats.
They alert consumers to the fishing pressures the various fishes are under and the levels of toxics they may contain.
"The sushi that we eat today has its origins in fish preservation techniques that are hundreds of years old," the aquarium says on its new sushi selection web page. "Then, fish filled our oceans. Today, there are serious concerns about the number of fish left in the sea and it's time to create new traditions."
The Monterey Bay Aquarium Sustainable Seafood Guide can give high marks for sustainability to the same fish that gets slapped with a health warning. Both Spanish and king mackerel fisheries, for instance, are well managed, and populations are abundant and healthy, resulting in a best choice recommendation.
Yet at the same time, the Environmental Defense Fund has issued a health advisory for Spanish and king mackerel due to high levels of mercury.
If diners need to know right there at the sushi bar whether tuna is a better choice than salmon, all three guides have the answer.
The new EDF Seafood Selector To-Go offers mobile access to recommendations for more than 200 seafood choices.
"We want to give busy consumers a variety of ways to access our unique compilation of environmental and health research, be it on wallet cards, our website, or their mobile device," said Tim Fitzgerald, marine scientist for EDF.
The Monterey Bay Aquarium offers a phone accessible log-in for its guide at mobile.seafoodwatch.org
The Blue Ocean Institute sushi guide allows diners in doubt to text FISH and the species name to a number for instant information on the sustainability of the fish in question.
Even the fish in the best to eat category can have serious effects. Pregnant women, for instance, should be aware of the mercury concentrations in tuna, snapper, halibut, and mahimahi. Albacore tuna, listed in the EDF's best column carries a mercury warning.
Each guide offers something different. The Blue Ocean Institute guide does not mention mercury in red snapper but does say this long-lived species is vulnerable to overfishing and many populations are in decline.
Some of the best choices may not be widely known. Sablefish from Alaska and British Columbia is a best choice of the Monterey Bay Aquarium, which points out that the Alaska sablefish fishery is certified as sustainable to the standard of the Marine Stewardship Council.
Sablefish is also known as black cod and butterfish. It is known as gindara when prepared for sushi.
Found only in the North Pacific, sablefish has a rich, buttery flavor that has brought it to the attention of high-end restaurateurs in the United States and Canada.
The B.C. and Alaska black cod fisheries are well-managed, with healthy and abundant populations. They recently have lowered the amounts of accidental catch of other species such as seabirds.
Some of the worst choices are fish that have been subjected to intense fishing pressure such as bluefin tuna, Chilean sea bass, which is also called Patagonian toothfish; and grouper. All three guides agree, these species deserve a rest.
全文及圖片詳見：ENS
