Eel

Eel is a long, snake-like fish found in both fresh and saltwater environments around the world. Its flesh is distinctively rich, oily, and slightly sweet, with a firm texture that holds up well to grilling, smoking, and braising.

In Japanese cuisine, grilled freshwater eel (unagi) glazed with a sweet soy-based sauce is one of the most celebrated dishes, served over rice as unadon. In European traditions, eel is smoked, jellied, or stewed — smoked eel is a delicacy in the Netherlands, Scandinavia, and parts of the UK. In Australia, eel has a long history as a food source for Aboriginal communities, particularly the short-finned eel found in rivers and lakes of south-eastern Australia.

Eel is both farmed (primarily in Asia) and wild-caught, though wild populations of many species are under pressure, making sustainable sourcing an important consideration.

Wild & Farmed
photograph to come — from twenty years of markets, farms and kitchens

How it's made

Wild eels are caught using traps, nets, or lines in rivers, estuaries, and coastal waters. Farmed eels are raised in aquaculture ponds or recirculating systems, typically fed on fishmeal-based diets. Once harvested, eels are killed, bled, skinned or left skin-on depending on the preparation, gutted, and filleted or sold whole.

Nutrition (per 100g)

Energy 178kcal
Protein 18.4g
Carbs 0g
Fat 11.7g
Fibre 0g Sugar 0g
Mass Distribution

1 fillet is about 204 g — roughly 360 kcal of this.

What it costs the planet (per kilo)

Carbon ≈5.15kg
Freshwater ≈3515.05L
Land ≈3.75

≈ Estimated — worked out from a category-typical value further up its supply chain. Where this comes from →

Where it comes from

Made from

In the kitchen

Used as

rich fish for grilling and sushi

Classic dishes
  • Unagi don
  • Kabayaki eel
  • Eel nigiri

Keeping one at home? Track yours in your cubud →

Where this data comes from

Nutrition data from

FSANZ + USDA

How it was calculated

Borrowed

Full credits, licences, and methods: the sources page →

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