- Specimens recorded
- 389 (2000–2025)
- Years on record
- 1999–2025
- Top venue by specimens
- Ballyhoe Lake
- Current specimen threshold
- 2.72kg (6lb 0oz)
- Irish record
- 3.70kg (8lb 3oz)
Tench in Ireland
Tench (Tinca tinca) is a coarse fish found in still, weedy waters across Ireland's midlands and east — lakes, canals, and old gravel pits in particular. Not native to Ireland but long and well established, tench are prized among coarse anglers for a fight that punches well above their weight, and for the focused, early-morning and evening feeding spells that make targeting them a genuine skill rather than a numbers game.
The fish is easily recognised by its deep, olive-green body, tiny embedded scales that give the skin an almost rubbery feel, a small red eye, and a single short barbel at each corner of the mouth. Tench feed hard over short, warm-weather windows, rooting in soft bottoms and weed for bloodworm, snails and other invertebrates — which is why they're so strongly associated with dawn and dusk sessions in high summer.
Among Irish coarse species, tench sit firmly in specimen-hunting territory: a fish over the ISFC threshold is a serious, deliberately pursued target rather than an incidental catch, and dedicated tench anglers will often fish a single known water repeatedly through the early summer to intercept a big fish.
When Tench Fish in Ireland
ISFC records show June as by far the busiest month for tench specimens, matching the species' well-known early-summer feeding peak in warm, weedy water. May runs a close second, making late spring into early summer the strongest overall window, with numbers dropping off through July and August. Coarse fishing carries no closed season in the Republic, so tench can technically be fished year-round, but they're far less active — and far less likely to produce a specimen — outside the April to September window.
Based on ISFC specimen records — reflects where anglers fish and submit claims, not necessarily where the species is most abundant.
Where Tench Fish Best
Venue rankings below come from ratified specimen submissions, not scientific stock surveys — popular, well-fished venues will always show more specimens than remote or lightly-fished ones holding the same fish.
The biggest tench specimen producers in the ISFC data are smaller, dedicated coarse lakes rather than Ireland's larger, better-known loughs — Ballyhoe Lake and Rahan's Lake lead the list by a clear margin, with Tully South Lough, the River Shannon, and the River Erne also contributing. This fits the species' habits: tench favour smaller, weedier, warmer waters over big open loughs, so the specialist venues tend to punch well above their size in specimen terms.
See every fishing.ie venue for tench — ISFC-ranked or not — in the full directory below.
Size and Specimens
The current ISFC specimen threshold for tench is 2.722kg (6lb) — a long-standing benchmark that's barely moved across the 26-year record. The Irish record stands at 3.7kg as of the most recent report, roughly 8lb 2oz. A 6lb tench is a serious, worth-the-session target for a dedicated coarse angler; anything approaching the record is an exceptional fish nationally.
Based on ISFC specimen and threshold records — reflects where anglers fish and submit claims, not necessarily where the species is most abundant.
How to Catch Tench
Simple bottom-fished baits — lobworm, maggot, sweetcorn, or boilies — fished tight to weed margins, reed lines, or gravel bars produce most tench, particularly at first and last light.
Light coarse tackle suits the species well: a quiver-tip or waggler float set-up with a light feeder or straight leger, matched to line and hooks that give a big tench room to fight without over-gunning the tackle.
Loose-fed or groundbaited swims help hold a shoal of tench feeding in one area for longer, which matters given how short and concentrated their feeding spells tend to be.
Because tench feed so heavily at dawn and dusk, timing a session around first light or the last hour before dark will usually out-produce a long day fished through the middle hours.
Rules and Conservation
Coarse fishing, tench included, has no closed season anywhere in the Republic of Ireland. Catch and release is the strong norm among coarse anglers for specimen tench, even though it isn't a specific legal requirement for the species — most dedicated tench anglers weigh a big fish in a sling and return it promptly.
No state rod licence is required for coarse fishing in the Republic. Many dedicated tench waters are day-ticket fisheries or club waters, so a local permit or day-ticket fee may still apply — check before fishing a specific venue.
A DAERA coarse rod licence is required for anyone aged 12 or over fishing for coarse species in Northern Ireland, tench included, and covers up to two rods.
Tench Venues in Ireland
50 more waters with ISFC specimens (not yet on fishing.ie)
Frequently Asked Questions
What's a specimen tench in Ireland?
2.722kg (6lb), the current ISFC specimen threshold — a figure that has stayed close to this mark across the full 1999–2025 record.
What's the Irish record tench?
3.7kg (roughly 8lb 2oz) as of the most recent ISFC report.
When's the best time of year for tench?
Early summer, especially June, fished at dawn or dusk when the species feeds most confidently in warm, weedy water.
Do I need a licence for tench fishing?
No state licence is required in the Republic, though a local permit may apply at day-ticket waters. A DAERA coarse rod licence is required in Northern Ireland.