Historic monitoring evidence · Environment Agency
Judas Gap Elver Trap
East Anglia · survey site
This page records ecological survey evidence. It is not proof of current fish presence, abundance, fishing quality, access, permission or safety at this location.
Observed taxa
What monitoring recorded here
Taxa are ordered by latest survey date. Counts and records reflect monitoring events, not an angling forecast.
European elvers
Anguilla anguilla- First record
- 11 Apr 2007
- Latest record
- 19 Oct 2023
- Survey events
- 913
European glass eels
Anguilla anguilla- First record
- 11 Apr 2007
- Latest record
- 13 Oct 2023
- Survey events
- 1026
European eels > elvers
Anguilla anguilla- First record
- 20 May 2012
- Latest record
- 16 Aug 2023
- Survey events
- 375
Ruffe
Gymnocephalus cernuus- First record
- 25 Jun 2020
- Latest record
- 25 Jun 2020
- Survey events
- 1
Spined loach
Cobitis taenia- First record
- 26 Jul 2015
- Latest record
- 26 Jul 2015
- Survey events
- 1
Rules and access
Check before you travel.
Environment Agency ecology records do not carry fishing-rights boundaries or live restrictions. Confirm the fishery owner, permission, local byelaws, seasonal rules, safety notices and current conditions before setting out.
Check live freshwater fishing rulesProvenance
Source, licence and boundary
- SourceEnvironment Agency Ecology & Fish Data
- LicenceOpen Government Licence v3.0
- Source copy retrieved23 Jul 2026
- Terms checked23 Jul 2026
- CoverageHistoric monitoring evidence, separately dated per record
- Not assertedCurrent presence, access, permission, fishing quality or safety