Dace (Leuciscus leuciscus)
Current record: 1lb 5oz 2dr
Water: River Wear, Town centre stretch, Durham
The common dace (Leuciscus leuciscus) is a small, streamlined river fish, silver-flanked with a hint of gold, found in clear, flowing water across the UK. It's a species built entirely around current: streamlined for it, feeding in it, spawning in it.
Dace shoal near the surface, often in large numbers, feeding on small invertebrates, aquatic insects, and plant matter. That surface-feeding habit makes a dace shoal easy to spot on a bright day, a scatter of quick, small rises across a swim. Come winter, adults drop back into slower backwaters and lower river reaches, though some stay put upstream near the spawning grounds all season. When spawning starts in March and April, they move onto shallow gravel beds in fast water, where the eggs stick fast to stone until they hatch. Juveniles hide among bankside roots and vegetation before moving into faster water as they mature.
Dace aren't usually anyone's primary target, but they're a genuine test of finesse: small hooks, light gear, and a good reaction, they're quick, easily spooked, and a fair few anglers rate them as harder to catch cleanly than fish twice their size. They're also an important food source for larger predators, and their sensitivity to water quality makes them a useful indicator species, dace numbers dropping is often one of the earliest signs something's off with a stretch of river.