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    Home » Roundups

    Sustainable Seafood: 15 Smart and Ethical Ways to Eat

    Published: May 15, 2025 by Dana Wolk

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    As people become more aware of how their food choices impact the planet, sustainable seafood is getting more attention. Choosing fish and shellfish that are responsibly caught or farmed helps protect ocean life and supports healthy ecosystems. It also ensures that future generations can enjoy seafood without harming the environment. 

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    Whether you’re a seafood lover or just starting to explore it, learning about sustainable options is a great way to make a positive difference. Here are some key ideas to help you understand and embrace sustainable seafood in your everyday meals.

    Choose Seafood with Eco-Friendly Labels

    fish monger
    Image Credits: Depositphotos/fotofritz.

    When buying seafood, look for labels like MSC (Marine Stewardship Council) or ASC (Aquaculture Stewardship Council). These labels show the product was caught or farmed in ways that protect marine life and ecosystems. 

    Choosing certified options helps support businesses that are doing the right thing. It also makes shopping easier by pointing you toward better choices. These small decisions add up and lead to big changes.

    Support Local and Seasonal Seafood

    oysters
    Image Credits: Depositphotos/fotokon.

    Buying local seafood means it hasn’t traveled far, which reduces pollution from transportation. It also supports small fishing communities that rely on the ocean for their livelihoods.

    Eating seasonal seafood ensures that species have time to reproduce and grow, which helps keep populations healthy. Local and seasonal options are often fresher and tastier too. Ask your fishmonger what’s in season and caught nearby.

    Avoid Overfished Species

    raw tuna
    Image Credits: Depositphotos/Shebeko.

    Some fish species are caught too often, shrinking their numbers quickly. Tuna, swordfish, and orange roughy are a few examples that are often overfished.

    Avoiding these types and choosing less popular, abundant species, you help reduce pressure on the oceans. It’s a simple switch that can help protect entire ecosystems. You can use a sustainable seafood guide or app to help you make informed choices.

    Learn About Bycatch and Why It Matters

    fishing
    Image Credits: Depositphotos/fishing.

    Bycatch happens when fishing boats catch unwanted marine animals like turtles, dolphins, or young fish. These creatures often die even though they weren’t the target.

    Choosing seafood from companies that use better fishing gear and methods helps reduce bycatch. This protects ocean life and supports a more ethical seafood industry. Asking questions or reading labels can help you find out how your fish was caught.

    Say Yes to Shellfish

    mussels
    Image Credits: Depositphotos/shamtor.

    Shellfish like mussels, oysters, and clams are some of the most sustainable seafood options out there. They don’t need extra food to grow, and help clean the water around them.

    Farming shellfish has a low environmental impact and is good for coastal ecosystems. Plus, they’re packed with nutrients and easy to cook. Adding shellfish to your meals is a tasty and eco-friendly choice.

    Be Cautious with Farmed Fish

    fish farm
    Image Credits: Depositphotos/vladislavgajic.

    Not all fish farms are bad, but some can pollute water and spread disease to wild fish. The key is choosing farmed fish that are raised responsibly. Look for certifications or ask where and how the fish were raised.

    When done right, fish farming can provide healthy food without harming the ocean. A little research goes a long way in finding the right balance.

    Try Underused Fish Species

    sardines
    Image Credits: Depositphotos/ManuelBarrena.

    Some fish are caught often but don’t get much attention on menus or in stores. These “underloved” species, like mackerel or sardines, are usually more abundant and sustainable.

    They’re also affordable and packed with healthy fats. Choosing these options helps spread out fishing pressure and supports better ocean health. Give them a try; you might find a new favorite.

    Ask Questions at Restaurants

    woman cooking and tasting
    Image Credits: Depositphotos/Lenets_Tatsiana.

    If you’re eating out, don’t be afraid to ask where the seafood comes from. Many chefs care about sustainability and are happy to share their sources. Knowing your meal was prepared with care makes it taste even better.

    More restaurants will be encouraged to make responsible choices when customers show interest. Your questions can help shape the future of food.

    Understand the Role of Aquaculture

    fish farm
    Image Credits: Depositphotos/sbures.

    Aquaculture, or fish farming, is growing fast and has the potential to feed more people without overfishing. However, it must be done carefully to avoid harming the environment.

    Good aquaculture practices include clean water, safe feed, and space for fish to grow. Learning about how farmed seafood is produced helps you make smarter choices. Responsible aquaculture can be a big part of sustainable eating.

    Support Indigenous and Small-Scale Fishers

    man low impact fishing
    Image Credits: Depositphotos/ads8611.

    Many Indigenous communities and small-scale fishers use traditional, low-impact fishing methods. Supporting their work helps protect the ocean and keeps cultural traditions alive.

    These fishers often care deeply about sustainability because their way of life depends on it. Buying directly from them when possible is a great way to support both people and the planet. Their knowledge is part of the solution.

    Cut Back on Waste

    fish broth
    Image Credits: Depositphotos/Odelinde.

    Wasting food also wastes the resources it took to catch or farm it. Plan your meals, store seafood properly, and use leftovers to reduce waste. Buying only what you need helps prevent spoilage and saves money.

    Some fish parts, like heads and bones, can even be used for making broth or soup. Respecting your food from start to finish is part of eating sustainably.

    Read the Fine Print

    salmon
    Image Credits: Depositphotos/magone.

    Not all labels or terms mean the same thing. Words like “natural” or “wild-caught” may sound good, but don’t always mean the seafood is sustainable.

    Take time to learn what different terms and logos stand for. Trusted guides or websites can help you sort through the confusion, and knowing the facts makes you a smarter shopper and eater.

    Share What You Learn

    dad cooking with sons
    Image Credits: Depositphotos/Dmyrto_Z.

    Talking about sustainable seafood with friends and family helps spread awareness. Share recipes, apps, or simple tips to help others make better choices too.

    The more people know, the more change can happen. Starting conversations at home, school, or work can lead to bigger changes in the food system. Every voice counts when it comes to protecting the oceans.

    Mix It Up with Plant-Based Seafood

    tofu
    Image Credits: Depositphotos/serezniy.

    Tasty plant-based versions of fish sticks, crab cakes, and even sushi are now. These products are made from ingredients like tofu, seaweed, and legumes. Trying them once in a while can take pressure off wild fish populations.

    They’re also great for people who want more variety or are reducing meat for health or ethical reasons. Plant-based seafood is becoming part of the sustainability conversation.

    Stay Informed and Keep Learning

    woman on computer outside
    Image Credits: Depositphotos/photography33.

    The world of sustainable seafood is always changing as we learn more and develop new solutions. Staying informed helps you make better choices and support improvements in the industry.

    Follow trusted organizations, read labels, and check for updates on what’s best to eat. Knowledge is power when it comes to protecting the planet. The more you know, the more you can help make a difference.

    Related: 15 Clever Hacks To Reduce That Never-Ending Grocery Bill

    Woman looking at grocery bill in shock
    Image Credit Shutterstock Cast of Thousands.

    Managing grocery expenses can be challenging for many households, especially with rising food costs and fluctuating budgets.

    However, with some creativity and resourcefulness, you can implement numerous clever hacks to reduce your never-ending grocery bill without sacrificing the quality or variety of your meals.

    15 Clever Hacks To Reduce That Never-Ending Grocery

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