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Many Americans still think bright red tuna means it's fresher (it's not)
You know the tuna I’m talking about. It’s easy to mistake for a cube of watermelon. It’s the color of a Lyft logo. Appears to be glowing a vibrant, tantalizing purity. Tuna that bright red or pink means it’s… what, extremely fresh? Bursting with nutrients?
Nope. It means it’s got carbon monoxide.
I thought this was widely known, but a chef recently told me very few of his staff members were aware of this, and almost none of his customers. So, especially with the recent proliferation of poke joints, I thought I’d be helpful with this PSA of sorts.
Bright red or pink tuna means it has been gassed. In its natural state, fresh tuna is dark red, almost maroon, sometimes even chocolatey-looking.
Don’t worry, you most likely will have no ill effects from eating gassed tuna, according to the FDA. They have deemed carbon monoxided tuna as GRAS (Generally Regarded As Safe), though the practice is banned in Japan, Canada, and the EU. Plus, there is carbon monoxide in barbecue (given off by wood smoke).
But here’s why I personally tend to back away when I see bright red or pink tuna:
1. IT’S MUCH HARDER TO TELL IF IT’S FRESH OR NOT.
It can be left out for days and it will not turn brown. In one study, the University of Florida found that carbon monoxided tuna kept its bright red color for 11 days in the fridge. “The carbon monoxide actually hides the quality of a fish,” says Tommy Gomes, fifth-generation San Diego fisherman, host of The Fishmonger on Outdoor Channel, and owner of seafood shop Tunaville in Point Loma. “It’ll make a poor-quality fish pretty like a rose. I’ve seen them take an old piece of brown tuna [and] put the gas on it, and it comes out looking like cherry lemonade.” The gas also masks the smell of old tuna (which is one way you can tell if tuna’s getting past its eat-by stage). “Since there’s no smell, it falsifies the freshness,” Gomes explains.
2. I TRUST GOVERNMENT HEALTH ORGANIZATIONS, BUT ALSO RECOGNIZE THEY’RE NOT PERFECT.
The 1992 USDA food pyramid suggested carbs should be the bulk of our diet (they corrected that in 2005 and 2011). The government approved the fat substitute Olestra, which gave people all sorts of tummy issues. Margarine and other trans fats were also approved, then banned in May 2019. There are some smart humans in the government, but even geniuses make mistakes. So I tend to go with my gut: tuna in its natural state, or tuna treated with carbon monoxide? Easy choice.
So why gas tuna at all? Because of us. Consumers don’t like brownish fish. Tuna oxidizes quickly. It’s difficult for tuna fishermen and women to get it to market quick enough before it turns that brownish or chocolatey color. Customers erroneously think all brownish-looking fish is old or bad and will pay more for “fresher-looking” fish. So in the 1990s, the FDA allowed companies to gas the tuna and keep it artificially bright red for long stretches at a time.
“There’s nothing wrong with a hot chocolate–looking tuna loin,” says Gomes. “But, here in America, we want [it] seared on the outside, rosy pink on the inside.”

Gassed tuna is also often imported and less inexpensive than fresh, un-gassed tuna, says Gomes. “So, to be fair and honest,” Gomes acknowledges, “for families on a budget, gassed tuna is one of the best alternatives out there for frozen seafood.”
In the New York Times article cited above, a sushi restaurant owner reported his sales of tuna tripled when he started using gassed tuna. So that’s obviously good for the small business owner, as well as grocery stores. Food waste is a massive epidemic—the US throws out about half of edible seafood. If gassed tuna gets Americans to eat perfectly edible tuna they otherwise might throw out, that’s a step in a good direction.

But it’d be better if we as consumers knew that fresh, non-gassed tuna is supposed to be dark red or maroon—not bright red or watermelon pink, like a majority of the tuna I’ve seen at local poke shops. Ideally, we would look at a piece of bright red/pink tuna and think “Oh, hey there, carbon monoxide.”
The most important things about buying tuna is to trust the source (whether grocery store, fishmonger, or sushi joint). It also should be shiny and somewhat translucent, and not have slime or an off-smell.
Long live maroon tuna.
Troy Johnson is the magazine’s award-winning food writer and humorist, and a long-standing expert on Food Network. His work has been featured on NatGeo, Travel Channel, NPR, and in Food Matters, a textbook of the best American food writing.
This month, the 2026 San Diego Business Impact Awards recognized local businesses making an impact in clean energy, biotech, hospitality, and beyond
Renewable energy companies building hundreds of power plants. Biotech startups using artificial intelligence to create personalized medicine for children with rare diseases. Hospitality companies quietly powering thousands of local events. Consumer brands growing from beach-town startups into national businesses. These are the kinds of companies driving San Diego’s economy today, and the businesses recognized at this year’s San Diego Business Impact Awards offer a snapshot of where the region is headed.
Hosted July 23 by San Diego Regional Economic Development Corporation (EDC) and JPMorganChase, the second annual awards event honored four local companies for innovation, growth, and economic impact. More than 100 nominations from San Diego’s middle-market businesses were reviewed by a 10-person judging committee, with winners selected across four categories: startup, early-stage innovator, rising star, and established heavyweight.
Two-time honoree Jimbo Someck, founder of Jimbo’s organic grocery stores, also joined the event for a fireside chat on buying local, supporting emerging brands, and giving back to the community.
“San Diego’s strength comes from its makers and builders—the resilient people who endure great risks and overcome obstacles to build and scale a company,” says Aaron Ryan, San Diego Region Manager and Middle Market Banking at JPMorganChase & Co. “These awards aren’t just recognition; they spotlight the talent, grit, and innovation shaping our region’s future. By celebrating those who create and build, we foster connections and fuel the growth that keeps San Diego thriving.”

Heavyweight honoree SOLV Energy has grown alongside the country’s rapid investment in renewable power. “It’s an exciting time for SOLV Energy as we are experiencing significant growth,” says CEO George Hershman. “The business has doubled over the last year and has almost double-digit growth since its inception.”
The Rancho Bernardo-based company designs, builds, operates, and maintains utility-scale solar and energy storage facilities. Since its founding in 2008, SOLV Energy has built more than 500 power plants.
Growth has translated directly into hiring. About 200 employees work from the company’s local headquarters, including roughly 20 interns. “Our intern program is a big part of the way that we grow our workforce,” Hershman says. “Last year, 43 percent of our interns became full-time employees. We believe San Diego is a great community to build and grow a high-tech infrastructure and technology company because of the incredible workforce—the ability to attract top talent and draw from world-class universities.”

Startup honoree La Jolla Labs is tackling one of medicine’s biggest challenges by developing personalized RNA therapeutics for patients with rare diseases—many of them children with neurological disorders like ALS. Using proprietary artificial intelligence and machine learning tools, the biotech company develops treatments tailored to each patient’s specific genetic mutation.
CEO Tamar Grossman says the recognition reflects how far the company has come despite limited resources. “We’re honored to be recognized for our ability to change and save patients’ lives and turn our lean startup into a clinical company with very minimal resources,” she says.
Grossman credits San Diego’s concentration of research institutions—including UC San Diego, the Salk Institute, and Scripps Research—with creating a pipeline of talent and collaboration. “San Diego is one of the world-leading centers for technology, genomics, and RNA therapeutics,” she says. “We have over 30 RNA therapeutics companies here, and we support each other and help with anything related to drug discovery.”
She says that collaborative spirit extends beyond formal partnerships. “You can walk around Torrey Pines, go into a café, and find colleagues from the industry and have an ad hoc conversation,” Grossman says. “That’s something very unique to San Diego.”

While Snake Oil Venue Company may not be a household name, chances are many San Diegans have attended one of its events. The early-stage innovator honoree has expanded from beverage catering and mixology consulting into venue management, operating Julep Venue in Mission Hills, Bramble Bay Venue in Imperial Beach, Vesper Venue, the Chapel at Liberty Station, and five outdoor venues throughout Liberty Station—more than 500,000 square feet of event space altogether.
“We do a lot of launch parties for corporations and new products,” says CEO Mike Esposito. “I really like working on the entrepreneur side of things, where new businesses are entering the San Diego market and looking to make a splash.”
Snake Oil has executed more than 16,000 events, employed more than 1,000 people, and partnered with more than 900 local vendors, including caterers, florists, photographers, entertainers, and other hospitality businesses. The company also works with many of San Diego’s nonprofits, museums, and cultural institutions. “We get to celebrate people’s most important moments,” Esposito says. “Whether that’s a wedding, celebration of life, or quinceañera, we’re fortunate to be involved in the community in so many different ways.”

Rising star honoree ALOHA Collection is proof that a simple idea can grow into a thriving company. Founded by two roommates who wanted a better way to carry wet swimsuits after a day at the beach, the lifestyle brand has grown into a business while maintaining strong year-over-year growth.
Now headquartered in Carlsbad, ALOHA Collection employs more than 100 people and operates its California flagship store in Encinitas, which is slated for a remodel. With roots in Hawaii, the company is known for its lightweight, splash-proof travel bags that have become a familiar sight on beaches in San Diego and beyond.
“‘Aloha’ is part of our name, but it’s also how we move through the world,” says CEO Lynna Barnard. “It’s how we show up for people, the way we travel, the way we give back.” Since day one, the company has maintained a 5 percent giveback to Hawaii conservation efforts, contributing millions of dollars over the years.
“I think what’s so inspiring about ALOHA Collection, and the founders in particular, is when you dream big, those dreams can come true when you work hard and trust in the universe,” Barnard says. “It’s inspiring to be a role model for other people wanting to start businesses from humble beginnings. Start small and watch it grow.”
Together, businesses like these form a cornerstone of San Diego’s economy—not only through the jobs and revenue they generate—but through the local workers they hire, vendors they support, and investments they make in the region. Their growth doesn’t happen in isolation; it ripples outward, strengthening the broader business community and the people who call San Diego home.

San Diego Magazine's 2026 Guide to Aging Well
San Diego seniors are redefining retirement. In an era where staying active and connected is more important than ever, San Diego seniors are empowered to spend their golden years living life to the fullest. Aging gracefully in America’s finest city means luxury living, access to exceptional healthcare, and thoughtfully planned social activities that bring people together and build supportive networks. From vibrant, resort-like communities built around everyday life to senior-friendly ventures spanning city and shore, San Diego is full of opportunities to remain happy and healthy. Retirement isn’t the end—it’s just the beginning.
San Diego is home to some of California’s most sought-after retirement communities. Many of these communities feel more like luxury resorts than traditional senior housing, and focus on active aging, meaning overall well-being and quality of life are just as important as medical care. Amenities often include ocean views, fine dining, concierge services, wellness spas, lifelong learning programs, and full continuum-of-care options with specially trained medical staff. These communities ensure that San Diego seniors enjoy independence as well as a level of assistance appropriate to their individual needs. When it comes to aging gracefully, San Diego is the place to be.
Belmont Village Senior Living communities combine luxury hospitality and higher-acuity care services, including memory care and cognitive support. Experiences are tailored to each resident, including couples requiring different levels of care. Residents can expect chef-prepared dining, fitness and wellness programming, transportation services, social activities, and spaces designed to encourage connection and engagement. The community also works with thought leaders in the field to develop initiatives that empower residents to live life to the fullest.
At Lantern Crest Senior Living, retirement is an opportunity to thrive. Nestled on over 30 beautifully landscaped acres in East County, Lantern Crest offers a variety of living options within a premier resort-style community. Residents enjoy an exceptional collection of amenities, including heated pools, fitness & wellness centers, movie theaters, chef-prepared dining, putting greens, dog parks, salons, social clubs, an on-site Sharp clinic, pharmacy services, and countless opportunities to connect, learn, and thrive. Lantern Crest is dedicated to delivering personalized service, meaningful experiences, and a lifestyle that empowers residents to live with purpose, independence, and joy.
A chef-curated menu with healthy plant-forward options, holistic wellness programs, lifelong learning seminars, and a variety of thoughtfully designed social activities help set Senior Resource Group’s properties apart from the pack. Its La Vida Del Mar community in Solana Beach offers residents a high-end coastal lifestyle a stone’s throw from Old Del Mar and the Cedros Design District. La Vida Del Mar provides independent living and assisted living options, and as the CARF-accredited community in North County, prioritizes personalized onsite medical care, exceptional hospitality, and celebrating every resident.
Vi at La Jolla Village offers a resort-style retirement lifestyle in the heart of San Diego’s cultural attractions. Exceptional accommodations, upscale dining, and thoughtfully designed amenities support well-being and help residents live each day to the fullest. Plus, with a continuum of on-site care available at no additional charge,* residents can feel confident knowing that if their needs change, assisted living, memory support and skilled nursing are available right here. Dedicated rehabilitation services are also available to non-residents in a Medicare® certified environment.
*Care options are subject to ancillary fees for items such as extra meals and supplies. Annual, community-wide monthly fee increases also apply.
Some seniors prefer the comfort of their own homes over retirement communities—no matter how luxurious the lifestyle may be. Homewatch CareGivers in northwest San Diego and Santee provides compassionate in-home care for peace of mind. With no minimum hour requirements, Homewatch makes it easy to get support, whether it’s a few hours a week or around-the-clock care. Care plans and services are tailored to help each senior maintain independence while accommodating their lifestyle, medical needs, and preferred living environment. Homewatch also offers technology solutions that connect clients with 24/7 support when they’re home alone.