- Specimens recorded
- 96 (2000–2025)
- Years on record
- 2000–2025
- Top venue by specimens
- River Barrow
- Current specimen threshold
- 1.20kg (2lb 10oz)
- Irish record
- 2.49kg (5lb 8oz)
Perch in Ireland
Perch (Perca fluviatilis) is one of Ireland's most widespread and instantly recognisable coarse fish — deep-bodied, olive-green with dark vertical bars, and armed with a spiky dorsal fin. Found in rivers, canals, and lakes across the country, perch shoal aggressively, particularly as juveniles, and a good specimen is a genuinely handsome, powerful fish for its size.
Perch numbers in Ireland have fluctuated over the decades due to disease outbreaks in some systems, but the species remains common and popular, especially as an accessible target for anglers of all experience levels.
Specimen-hunters tend to target perch in early spring, when large females carrying spawn feed hard in shallow water ahead of spawning — a pattern the ISFC record confirms clearly.
When Perch Fish in Ireland
ISFC records peak sharply in April and March, consistent with the well-known pre-spawn feeding period when big female perch move into shallow water and feed aggressively before spawning in late spring.
Based on ISFC specimen records — reflects where anglers fish and submit claims, not necessarily where the species is most abundant.
Where Perch 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 River Barrow dominates the perch specimen record — several stretches (Carlow and Athy in particular) between them account for the majority of Irish perch specimens, with Lough Erne also contributing.
See every fishing.ie venue for perch — ISFC-ranked or not — in the full directory below.
Size and Specimens
A specimen perch is a genuinely large individual for the species — most perch caught in Ireland run well under a pound, making a fish anywhere near the current threshold a notable capture.
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 Perch
Small live or dead baitfish, lobworms, and prawns fished under a float or on a light leger near cover — snags, bridge pilings, reed margins — take most specimen perch.
Lure fishing with small soft plastics, spinners, and crankbaits is effective and increasingly popular, particularly for locating and covering water quickly to find feeding shoals.
Early spring, pre-spawn females holding near structure in slower, deeper water are the classic specimen target — location matters more than bait choice once that window arrives.
Perch shoal by size, so once you find a good fish, follow-up casts to the same spot often produce more.
Rules and Conservation
No state rod licence is required for coarse fishing in the Republic. Many productive coarse waters are day-ticket fisheries or club waters, so a local permit may still apply.
A DAERA coarse rod licence is required for anyone aged 12 or over fishing for coarse species in Northern Ireland, and covers up to two rods.
Perch Venues in Ireland
4 more waters with ISFC specimens (not yet on fishing.ie)
Frequently Asked Questions
What's a specimen perch in Ireland?
Current ISFC specimen weight is 1.2kg — a genuinely large perch, since most caught in Ireland run well under that.
Best time of year for perch?
Early spring, particularly March and April, when big pre-spawn females feed hard in shallow water.
Where are the best perch venues?
The River Barrow, especially around Carlow and Athy, dominates the Irish specimen record.
Do I need a licence for perch fishing?
No state licence in the Republic; a DAERA coarse rod licence is required in Northern Ireland.