Tench

By Alex Clayton · Updated 23 October 2026

The tench (Tinca tinca) is an olive-green member of the carp family with small red eyes, a thick coat of slime and a small barbel at each corner of its mouth. It lives in weedy, slow and still waters across much of England, and more patchily in Wales and Scotland.

A tench fish from a canal commonly weighs 1 to 4lb. The British record is over 15lb.

This guide covers identification, the golden tench, the record, where and when to fish, baits and rigs, the rules and safe handling. For roach, bream and other species, see our coarse fish species guides.

How to Identify a Tench (and Tell It From Bream, Crucians and Carp)

Four things identify a tench at a glance: red eyes, rounded fins, tiny scales and a lot of slime.

Check for these features together:

Colour: olive-green to dark green.
Eyes: small and red to orange, standing out against the dark flanks.
Body and fins: a stout, thick-set body with rounded, powerful fins and a deep, broad tail.
Skin: scales so small the fish looks smooth, under a thick layer of slime, plus one small barbel at each corner of the mouth.

The table below separates a tench from the fish it is most often mistaken for.

Fish	How it differs from a tench
Bream	Deep, flat-sided and bronze; pointed fins and no barbels
Silver bream	Smaller, silvery and flat-sided, with larger scales
Crucian carp	Golden-bronze with a humped back and no barbels
Common carp	Four barbels, much larger scales and a long dorsal fin
Golden tench	The same species in a different colour (see below)

Anglers usually sex a tench by its pelvic fins. On a male they are large and spoon-shaped, with a noticeably thickened second ray. A female’s are smaller and more pointed.

For more lookalikes, use our UK freshwater fish identification guide. Red eyes, rounded fins and hands coated in slime mean you have caught a tench.

Golden Tench: A Rare Colour Variant, Not a Separate Species

A bright yellow-orange fish slides into the net on a tench water. Is it a hybrid, a koi, or something else?

It is a tench. A golden tench is the same species, Tinca tinca, in a different colour. The Canal & River Trust notes that tench can occasionally be golden, though it describes them as rare. Golden and other coloured forms are often associated with ornamental pond stock.

They are uncommon in the wild and on most fisheries. The rarity odds quoted online trace back to no reliable source, so ignore them.

The British record listing has no separate golden tench category. Unofficial lists of ornamental variants have reported a golden tench of 8lb (3.6kg), caught by John Richardson in August 2019 at Nar Valley Fisheries in Norfolk, and a blue tench of 3lb 8oz (1.6kg) from Angler’s Paradise in Devon in 2025. Neither is a ratified British record.

Golden tench take normal baits. Angling Times reported a koi-coloured tench caught in spring 2025 on a flatbed feeder with groundbait and 4mm pellets.

A golden tench fights and feeds like any other. Handle it with the same care and put it back.

How Big Do Tench Grow? Size, Lifespan and the British Record

Britain’s biggest tench caught by design, reported in 2023, still fell 3oz short of a record set in 2001.

The Canal & River Trust gives a typical tench as about 50cm long and 1 to 4lb (0.5 to 1.8kg), and the Wildlife Trusts quote a length of 40 to 70cm. The Scottish Federation for Coarse Angling (SFCA) notes tench to around 7lb (3.2kg) in many canals, with the biggest fish living in large stillwaters, where double figures are possible.

Tench commonly live 15 years or more, and some sources quote 20 to 30.

The British record is 15lb 3oz 6dr (6.899kg), caught by D Ward in 2001 and listed by the British Record (rod caught) Fish Committee as coming from a private fishery at Staines, Surrey. David Pratt’s 15lb fish, reported in August 2023, is not the record.

In Scotland, the SFCA gives a record of 10lb (4.5kg) to P Crookhall from Castle Loch, Lochmaben, in 2003. That page dates from 2011, so check with the SFCA for the current figure. Read the full history of the British record tench.

The verdict: a 5lb tench is a good fish on most waters.

Where and When to Find Tench in the UK

A midday session over open water on a hot July afternoon is the classic way to blank on tench.

Waters and swims

Tench like slow or still water with a soft bottom and plenty of weed, and they dislike heavy boat traffic. That points you to lakes, gravel pits, estate ponds, canals and slow lowland rivers.

They are widespread in England and rarer in Wales and Scotland. In Scotland they are found mainly in the south and the Central Belt up to Loch Lomond, and are scarce further north outside stocked commercial fisheries.

The Canal & River Trust names the Slough Arm, the Wyrley & Essington, Rushall, Ashby and Walsall canals and Clattercote Reservoir as strong tench waters, and says lightly used, clear, weedy canals hold the most fish. Access and tickets vary, so check with the Canal & River Trust or the controlling club before you travel.

Within a swim, target lily pads, reed margins, gaps and channels in the weed and the edges of shelves.

Through the year

Tench fishing in the UK peaks from late spring to late summer. Tench spawn from May to June once the water reaches about 19 to 20C, laying eggs on plants that hatch in 3 to 6 days. They mature at 3 to 4 years old, and they can be harder to catch while spawning.

Autumn still produces fish as the water cools. Winter gives the odd tench, but far less reliably.

Carl Nicholls, fisheries and angling manager at the Canal & River Trust, says early mornings and late evenings are best, and the SFCA points to the hours just after dawn.

Watch for clusters of tiny bubbles over a clear patch. That is tench rooting through the bottom for snails, mussels and fly larvae, and it shows you where to cast before you have had a bite.

Short on time? Fish the first two hours after dawn.

Best Tench Baits and Rigs

On a weedy water, rake a clear patch and bait it the evening before. The SFCA recommends hemp, sweetcorn, casters and dead maggots. Go easy with the hemp: Angling Times notes it is mainly a feeding bait, and too much can leave tench preoccupied with tiny seeds.

Bait	When it shines	Notes
Sweetcorn	All season	One or two grains
Red maggots	All season	The SFCA says tench often prefer red
Double caster	Later in the season	A classic float bait
Worm or worm kebab	When small fish are a nuisance	A good change bait
10-12mm mini boilies, small pellets	Carp-style fisheries	Fish on a hair
Prawn or mussel	After spawning	Worth a try once the spawn is over

Float or feeder

A float with corn or double caster is the most sensitive way to fish margins and gaps in weed, though range is limited. See our float fishing guide for setups. A feeder or method feeder with a short hooklength holds the bait over your baited area at range, but a heavy feeder landing in very shallow margins can spook fish.

Use the float for close-in weedy swims, and switch to the feeder once fish are feeding beyond comfortable float range.

Hooks and line

These are conventional starting points, not fixed rules. Scale the hook to the bait:

Size 16 to 14 for maggot or caster
Size 14 to 12 for corn
Size 12 to 10 for worm, or a hair-rigged pellet or mini boilie

A mainline of around 6 to 8lb suits most weedy waters, with a slightly lighter hooklength. Too big a hook stops the bait behaving naturally: one angler on Fishing Magic found a size 10 anchored a grain of corn, and bites came once he went finer. Line that is too light loses fish, and the Canal & River Trust warns that tench break tackle that is not up to the job.

Tench Fishing Rules: Close Season and Rod Licence by Nation

Tench spawn and feed hard in late spring, right in the coarse close season. Whether you can fish for them depends on the type of water and the nation.

Nation	Close season for tench	Rod licence
England	15 March to 15 June inclusive on rivers, streams and drains. Most canals and stillwaters are not covered, but a few are, so check local byelaws (GOV.UK)	Needed from age 13; free junior licence for ages 13 to 16 (GOV.UK)
Wales	No close season on stillwaters and canals except certain SSSIs; other waters open 16 June to 14 March (Natural Resources Wales)	As England
Scotland	Not verified here; check with Fisheries Management Scotland or the Scottish Government, and the fishery	Check with the same bodies
Northern Ireland	Not verified here; check with DAERA	Check with DAERA

You still need a licence on waters that stay open during the close season. Check the current price on GOV.UK, because it changes each April.

Fishery and club rules on night fishing, keepnets and bait bans apply on top of the law. See UK fishing close seasons explained and how to get a fishing licence.

Landing and Handling Tench Safely

A tench that has just bullied you through a weedbed is slippery and still fighting at the net.

Keep steady side strain to steer it away from weed and pads, and let it tire in open water rather than forcing it into the net.
Wet your hands and use an unhooking mat. Keep the fish low over the mat or the water, and never stand up holding it.
Unhook quickly with forceps or a disgorger, take any photo fast, then hold it upright in the water until it swims off.
Use a fish-friendly landing net and follow the fishery’s keepnet rules.

The slime coat protects the fish, so handle it as little as you can.

Frequently asked questions

Is a golden tench a different species?

No. A golden tench is the same species, Tinca tinca, in a rare golden colour form, often linked to ornamental stock. It feeds, fights and needs handling like any other tench, and it takes the same baits. A golden tench of 8lb has been reported, but it is not a British record ratified by the BRFC.

When is the best time to catch tench?

Fish from late spring to late summer, in the early morning and late evening, and look for bubbles over clear patches in weed. In England, rivers are closed to coarse fishing from 15 March to 15 June, but most stillwaters and canals stay open, so check the local byelaws first.

What is the best bait for tench?

Sweetcorn, red maggots, casters and worms fished over a modest bed of hemp catch most tench. On carp-style fisheries, 10-12mm mini boilies and small pellets work well. Switch to worm or a worm kebab when small fish keep stealing your bait, and use a hook light enough for the bait to behave naturally.