Asheldham Brook

9 fish species have been recorded at 6 locations along the Asheldham Brook.

Records updated10 August 2026Most recent survey: 2003
Fish species
9
Places surveyed
6
Survey visits
20
Records span
1986–2003

Local EA evidence

Where fish were recorded

6 of 6 places shown

Choose a point on the map to see what was recorded there.

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River conditions

Environment Agency evidence

Fish found in this river

Open a linked fish for detailed measurements, or use the map filter above to compare survey locations.

FishSitesMost recentFish countedMeasured lengthMeasured weight
European eelAnguilla anguilla420036Median: 34 cm3 fish measuredLargest measured european eel: 38 cmMedian: 2.6 oz (0.074 kg)3 fish weighedLargest measured: 4.9 oz (0.138 kg)
FlounderPlatichthys flesus32003107Median: 5.9 cm97 fish measuredLargest measured flounder: 34.2 cm—
3-spined sticklebackGasterosteus aculeatus319992,003Median: 4.3 cm7 fish measuredLargest measured 3-spined stickleback: 4.8 cm—
Thick lipped grey mulletChelon labrosus319997Median: 11.7 cm7 fish measuredLargest measured thick lipped grey mullet: 13.2 cmMedian: 0.5 oz (0.015 kg)5 fish weighedLargest measured: 0.6 oz (0.017 kg)
RuddScardinius erythrophthalmus2200332Median: 17 cm2 fish measuredLargest measured rudd: 20.5 cm—
Common gobyPomatoschistus microps119939Median: 4 cm9 fish measuredLargest measured common goby: 5.4 cm—
Common carpCyprinus carpio120033Median: 49.5 cm3 fish measuredLargest measured common carp: 55 cm—
HerringClupea harengus119931Recorded length: 5.9 cm1 fish measuredRecorded weight: 0.1 oz (0.002 kg)1 fish weighed
RoachRutilus rutilus1200336Median: 15 cm6 fish measuredLargest measured roach: 19 cm—

EA surveys have recorded these fish at particular sites and times. Absence from a survey is not evidence that a species is absent from the river. Every valid individual length and weight is retained, with its sample size shown.

Useful context

This page follows survey locations along the main Asheldham Brook. Tributaries and unrelated rivers with similar names are kept separate.

The map shows past fish records, not fishing access or a promise of what you’ll catch today.

How RiverFish handles the data →