Breeding Protections for Giant Bluefin Tuna

Traditional Blue Fin Tuna Fishing Off The Coast Of Spain

This post was co-authored with Elizabeth Brown. Starting January 1, fishing within two bluefin tuna breeding hotspots in the Gulf of Mexico with a particularly destructive kind of fishing gear during their peak breeding months (April-May) will be prohibited by federal rule. The technique uses fishing lines up to 40 miles long with hundreds of […]

Government Says Eat Fish, Not Too Much, Mostly Low in Mercury

Comparison of mercury levels in salmon vs. different types of tuna.Graphic by Susan Silbernagel, Gelfond Fund for Mercury Research and Outreach.Data source: Karimi et al. 2012 “A Quantitative Synthesis of Mercury in Commercial Seafood and Implications for Exposure in the United States”.

Previously posted on 6-18-2014. By Carl Safina and Elizabeth Brown A few days ago, the Food and Drug Administration (FDA) and Environmental Protection Agency (EPA) released updated draft advice on fish consumption for childbearing aged women and young children. The new advice encourages pregnant women, women who may become pregnant, breastfeeding women, and young […]

Mercury in Seafood: A Little Clarity

This big tuna was a surprise; the bigger surprise was how much mercury we got from it.
Photo by Carl Safina

Previously posted on March 27, 2014: Huffington Post One of the most dangerous yet confusing toxic pollutants is mercury in seafood. Mercury is very bad for developing fetuses and children, and seafood is very good for them. But mercury is in all seafood. Like I said: confusing. Last summer a friend caught a quite […]

Swimming With Giant Tuna


First posted on Huffington Post on October 1, 2012. Greetings from my hardship post. I am at North Lake harbor on Prince Edward Island.  I’m here to witness giant bluefin tuna. Giant? Essentially all the fish weigh between 500 and 1,000 pounds. So, yeah, giant. Fishermen like Ross Keus want to develop no-kill bluefin tourism, […]

Knocking on Heaven’s Shore; Bluefin Tuna Carrying Safe Fukushima Nuclear Radiation

So the momometer tells us of another huge news story: bluefin tuna have carried radiation leaked from Japan’s tsunami-damaged Fukushima Dai-ichi nuclear plant across the ocean to California, where fishermen are catching them. (The momometer, a Geiger-counter of news magnitude, is my 86-year old mother, Rose. No computer. When she phones me to tell me […]