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🐟 Tench

Coarse fish · recorded at 60 spots on the map · best season: Late spring to summer

A robust, olive-green fish traditionally associated with early-morning summer sessions, when tench are often the first fish feeding as the water warms.

Identification

Thick-set body covered in tiny scales and a heavy coat of slime, olive-green to almost black in colour with small, deep-red eyes. Has a single small barbel at each corner of the mouth. Males have noticeably larger, thicker pelvic fins than females.

UK habitat

Favours still, weedy waters, lakes, ponds and slow canal stretches, across the UK, tolerating low oxygen levels better than most coarse species. Classic dawn feeders, especially through late spring and summer, often signalled by strings of bubbles rising from feeding fish.

Spots where Tench has been recorded

Showing the first 60 — use the map to filter by species and see the rest.