European Eel
The European eel is the UK's only native freshwater eel — a long-lived, catadromous fish that spends most of its life in rivers, canals, drains and stillwaters before migrating to the Sargasso Sea to spawn and die.
Once common enough to be a staple food fish, populations have collapsed since the 1980s. Targeting eels is still legal for rod-and-line anglers, but the species demands careful handling and full release.
Scientific Name: Anguilla anguilla
Also known as Common eel, silver eel (mature migratory stage), yellow eel (freshwater resident stage), elver (juvenile)
- Snake-like, cylindrical body covered in slimy skin with tiny embedded scales; dark brown, olive-green or black on the back, pale yellow or cream underneath.
- Lower jaw projects slightly beyond the upper — the key feature separating it from the marine conger eel, whose dorsal fin begins just behind the pectoral fins; on the European eel it starts roughly a head's length further back.
- Small, round eyes; a single pair of pectoral fins; no pelvic fins; dorsal and anal fins run continuously to a pointed tail.
- Most rod-caught fish run 1–3 lb; the British record stands at 11 lb 2 oz, and females grow considerably larger than males.
What to know
Habitat Distribution
- Native across the UK — found in rivers, canals, drains, lakes, ponds and estuaries from Cornwall to northern Scotland, though populations are a fraction of historic levels.
- Tolerates a wide range of still and slow-moving freshwaters; also present in brackish estuaries and coastal lagoons during the migratory phase.
- Juveniles (elvers) ascend rivers from estuaries each spring, colonising surprisingly landlocked waters via overland movement in wet conditions.
- Mature 'silver eels' descend rivers in autumn to begin their Atlantic migration — these fish are rarely caught on rod and line but are occasionally encountered in weir pools and tidal reaches.
Key Locations
- The Somerset Levels and Fenland drains of East Anglia — low-lying drainage systems that have historically held good eel populations.
- The Thames and its tributaries — ZSL and other conservation bodies monitor eel passage here; fish are present but numbers remain well below historic levels.
- Norfolk Broads — interconnected lakes and rivers with soft-bottomed margins that suit eels throughout the summer months.
- Canal networks across the Midlands and North — urban canals often hold surprisingly large eels in silty, sheltered conditions.
Specific Spots
- Deep margins alongside undercut banks, sunken branches and root systems — eels rest in cover during daylight and move into open water after dark.
- Weed beds and lily-pad edges in stillwaters; eels use dense vegetation as daytime refuge and hunt the margins at night.
- Soft-bottomed bays and silty lake arms where invertebrates and dead fish accumulate — eels forage heavily in these areas after dark.
- Weir pools and mill pools on rivers concentrate eels, particularly during autumn downstream migration.
European Eel FAQ
Answers from onWater's species guide.
What are the best lures and bait for European Eel?
Sections of small deadbait, roach, smelt or lamprey, are a top choice for larger eels; the scent trail in still or slow water draws fish from a distance after dark.
When is the best time to fish for European Eel?
Late spring through summer (roughly May–August) sees the most consistent feeding as water temperatures rise; this is the prime time to target eels deliberately. Early autumn can produce large fish as eels feed up before the onset of cooler weather, but activity drops sharply once temperatures fall in October–November.
How do you catch European Eel?
Most UK eel anglers fish static deadbait or worm rigs after dark from the bank, targeting deep margins and snaggy features in stillwaters, drains and slow rivers.
What do European Eel eat?
Eels are nocturnal scavengers and predators, feeding on worms, maggots, small fish, fish fry, and dead or dying animals, which is why sections of deadbait (roach, lamprey, smelt) and lobworms are the go-to baits for UK eel anglers.
Where do European Eel live?
Native across the UK, found in rivers, canals, drains, lakes, ponds and estuaries from Cornwall to northern Scotland, though populations are a fraction of historic levels. Tolerates a wide range of still and slow-moving freshwaters; also present in brackish estuaries and coastal lagoons during the migratory phase.
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