The Best Ways to Have A Zero-Waste Fish Prep
What can you do with fresh fish from City Fish Market besides enjoy flavorful recipes? If you practice zero-waste fish prep, you can turn scales and bones into broths and beauty products. Home seafood chefs are among those who like to think outside the box. So, we are glad to share these environmentally friendly and health-enhancing ideas that can also save you money on high-value products.
How to Achieve Zero-Waste Fish Prep
There has recently been an international revival of using fish discards. To achieve zero-waste fish prep, use all parts of the fish, including the head, bones, skin, and fins.
These days, instead of discards being the poor man’s food, they are center stage on menus where eco-friendly ethics and the full utilization of raw materials are restaurant chic.
Gourmet restaurants in Italy, Paris, Berlin, and New York are doing this as a necessity rather than a luxury. Many have adopted techniques and cultures from various countries. In Japan, for example, it is considered a secret of longevity to consume whole small fish, including the bones and entrails.
Bone Broth
You may already know that bone broth is a healthful addition to any diet. Fish bones and their broth are rich sources of essential minerals, such as calcium and iodine. In addition, they provide collagen (which becomes gelatin) and various amino acids that support joint, gut, and skin health. As if that isn’t impressive enough, they offer vitamins and minerals such as magnesium, phosphorus, potassium, zinc, and omega-3 and omega-6 fatty acids. The broth is easy to digest and can support hydration and a feeling of fullness.
Simmering: The most direct method is to simmer fish bones with aromatics like onions, carrots, and celery, just as you would for any other meat or poultry stock. This yields a flavorful base for soups and sauces and uses what is often discarded after filleting fish.
Use Fish Scales and Skin for Beauty Products and More
Fish scales can be processed to extract collagen, which is used in everything from culinary jellies to anti-aging creams. This practice maximizes the use of fish, reducing waste and creating valuable ingredients.
Extract collagen through a series of steps, including cleaning, washing, and treating with an acid like lactic acid to demineralize it. The extracted collagen can be used in the production of:
- Culinary products: Fish scale collagen jelly is a traditional Cantonese dessert. Here is a Fish Scale Collagen Jelly Recipe.
- Dietary supplements: Collagen powders and capsules are popular supplements.
- Cosmetics: Collagen is used in products like face creams and other cosmeceuticals.
- Biomaterials: Fish-scale-derived materials are being researched for tissue engineering and biomedical applications.
Benefits of Zero-Waste Fish Prep
If you decide to pursue zero-waste fish prep, the following are among the benefits:
- Reduces waste: Upcycling fish by-products helps to divert waste from landfills and oceans.
- Creates value: It turns low-value waste into high-value products, such as collagen and other bioactive compounds.
- Promotes a circular economy: This approach aligns with circular-economy principles by maximizing resource use.
- Sustainable ingredient sourcing: Fish-derived collagen has advantages over mammalian collagen, including a lower risk of zoonotic disease transmission and benefits for those who do not eat meat.
City Fish Market has the Freshest Fish for No-Waste Fish Prep
If you start practicing zero-waste fish prep, turning scales and bones into broths and beauty products, be sure to visit City Fish Market at 884 Silas Deane Hwy in Wethersfield, CT. Here, things like no-waste fish prep are heroic because they help make the world a better place. That’s right, we said it. We think you’re a hero!
Even if you just cook seafood at home, giving your family the benefit of the leanest protein, we think you, too, are a champion! Come see our retail counters and our 5,000-gallon lobster tank, places where we suspect many seafoodies are born! We offer catfish, tilapia, trout, tuna, salmon, mahi-mahi, opah, amberjack, sea trout, and other fresh fish.
We also deliver! Call today or fill out our online form for delivery of shrimp, crab, and all of our other seafood products!

