Eating raw sea urchins is a rewarding culinary experience, but it requires care and a solid understanding of proper preparation. Sea urchins are appreciated around the world for their unique flavor that captures the essence of coastal regions and consuming them raw allows you to fully savor their delicate characteristics.
In this article we’ll explore how to enjoy them safely by choosing 100% fresh, high-quality products.
What are sea urchins?
Sea urchins are marine organisms belonging to the phylum Echinodermata and the class Echinoidea. These fascinating creatures are recognized for their spherical or slightly flattened shape and their movable spines that cover their calcareous exoskeleton.
They belong to the Echinidae family: their body is characterized by pentaradial symmetry, arranged around five radial axes extending from the center. This symmetry sets them apart in the animal kingdom and represents an evolutionary adaptation to life on the ocean floor.
The most distinctive feature of sea urchins is their long spines that cover their whole body. They are mobile and have suction-cup-like structures on their tips, serving multiple functions, such as:
- Providing protection from potential predators;
- Enabling slow movement along the seabed;
- Aiding in food gathering and reproduction.
Sea urchins primarily feed on algae and organic debris found on the seabed, helping to control the growth of aquatic plants. Additionally, their waste contributes to fertilizing the seabed. The internal part of their exoskeleton, known as the gonad, is prized for its creamy texture and rich, delicate flavor.
Nutritional benefits of sea urchins
The nutritional value of sea urchins goes far beyond their renowned flavor and luxurious texture. These marine delicacies are packed with essential nutrients that support overall wellness in several ways.
Firstly: they are an excellent source of high-quality protein. Proteins are crucial for building and repairing body tissues and for the proper function of enzymes and hormones. In sea urchins proteins are present in a highly digestible form, making them a valuable addition to a protein-rich diet.
Other than proteins they are also rich in omega-3 fatty acids, a group of polyunsaturated fats known for their health benefits. Omega-3s play an essential role in brain development, immune system regulation and the prevention of cardiovascular diseases.
Among the other nutrients found in sea urchins we also have essential vitamins, such as:
- Vitamin A, which supports vision, cellular growth, and skin health;
- Vitamin D, which aids in calcium absorption and bone health.
In addition, they contain important minerals such as zinc, selenium and iron. Zinc plays a role in numerous biological processes, including growth, reproduction and immune system function. Selenium is a powerful antioxidant that helps protect cells from damage caused by free radicals. Iron is essential for oxygen transport in the blood.
Male and female sea urchins: what’s the truth?
Like many other marine species, sea urchins show differences between male and female individuals. Sexual differentiation is a common feature in the biology of organisms and plays a vital role in reproduction and genetic diversity.
In many Echinoidea, the order to which sea urchins belong, the difference between males and females is not immediately obvious from the outside. The gonads, which function as reproductive organs, are often the only visible indicators, and they may vary in appearance depending on the reproductive season and the individual’s sexual maturity.
In general, both male and female sea urchins have gonads as part of their reproductive anatomy. Females produce eggs, while males produce sperm. During the spawning season, sea urchins release their reproductive cells into the water, where external fertilization occurs.
What part of a sea urchin do you eat?
The edible part of sea urchins is usually their insides, previously identified as the gonads. Commonly referred to as coral or “uni”, these are eaten raw or used in a variety of seafood dishes.
Gonads should be harvested when the sea urchins are in a mature reproductive phase to guarantee optimal flavor and texture. The culinary experience of eating sea urchins is often described as a combination of briny ocean essence and a creamy sweetness that melts in the mouth, creating a sensory explosion.
In addition to the iconic “spaghetti ai ricci di mare” (pasta with sea urchin), you’ll also find sea urchins in: fish soups, risottos, or simply served on rustic bread.
Contraindications of eating sea urchins
It is essential to highlight that food safety is closely tied to how sea urchins are harvested, handled and prepared. The consumption of these marine delicacies should always reflect the environmental conditions in which they were farmed or caught.
Paying close attention to the traceability and quality of the product you bring into your kitchen and, ultimately, to your table, is crucial to avoid potential health risks, such as:
- Bacterial and biological contamination: sea urchins can host bacteria and parasites, especially if collected from polluted areas or during times when water quality is compromised. Biological contamination poses a serious health risk, potentially leading to gastrointestinal infections or other illnesses.
- Chemical contamination: harmful substances like heavy metals or marine pollutants can accumulate in sea urchin tissues. Consuming sea urchins from polluted waters too frequently can expose the body to these dangerous contaminants.
- High cholesterol content: sea urchins are naturally rich in cholesterol. If eaten in large quantities, they can significantly contribute to cholesterol intake. People with cholesterol issues should limit their consumption of high-cholesterol foods, including sea urchins.
How to eat sea urchins
Whether cooked or raw, the flavor of sea urchins is irresistible and it instantly transports you to the shores of the Mediterranean, no matter where you are.
How to eat raw sea urchins
Freshness is key to guarantee food safety and avoid the risk of bacterial contamination. That’s why it’s crucial to source sea urchins from trusted suppliers that prioritize product traceability at every step.
In many parts of southern Italy, there is a long-standing tradition of diving for sea urchins by hand, cutting open the shell with a knife, and scooping out the creamy gonads with soft bread to enjoy the pure taste of the sea.
If you’d like to learn how to open sea urchins safely without injuring your hands, check out our dedicated guide.
In the coastal regions of Campania, like the Amalfi, Sorrento, and Cilento coasts, and in the picturesque Salento region, harvesting and eating raw sea urchins has become a true celebration of the sea. These ocean treasures are often caught fresh, right in front of the scenic coves and bays that define these areas. Thanks to knowledge passed down through generations, local fishermen are masters at selecting the freshest, most flavorful urchins and enjoying them immediately after harvesting.
In Salento, this tradition is even more deeply rooted: served fresh, sometimes with just a splash of lemon to enhance their marine essence, sea urchins offer an authentic experience. They evoke memories of old coastal villages and traditions that still live on today. It’s a tribute to the beauty of the sea, the skill of local fishermen, and the joy of sharing the flavors of one’s heritage.
How to eat cooked sea urchins
When it comes to cooked sea urchins, once they’ve been properly opened and cleaned, the traditional recipe says to eat them with perfectly “al dente” spaghetti : a dish that encapsulates the culinary heritage of Southern Italy’s coastal regions. No matter where you go, from Campania southwards, simply mention “spaghetti ai ricci di mare” and watch locals’ eyes light up with joy.
From sea to table, sea urchins are true culinary gems, rich in unique flavors and steeped in centuries-old traditions. The practice of eating them raw, in particular, enhances the experience, allowing diners to fully appreciate the complexity of their marine flavors.
Freshness and sustainability should always be the heart of this experience. Awareness of sourcing and harvesting practices is essential. As we savor this marine delicacy, let us also embrace a commitment to protect the health of our oceans and preserve their treasures for future generations.
Sea urchin recipes
Sea urchins are the protagonists of two exclusive recipes we’ve created:
1. Sea Thorn Cocktail, in collaboration with bartender Marco Morra: a sea urchin-based drink made to be paired with a raw seafood based dinner;
2. Linguine with Sea Urchins: in collaboration with Chef Michele Sammarco of Ristorante Cieddi.
Discover them in the boxes below
