Historic monitoring evidence · Environment Agency
Mountnessing Hall
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.
Chub
Leuciscus cephalus- First record
- 16 Feb 1984
- Latest record
- 23 Oct 2017
- Survey events
- 10
Gudgeon
Gobio gobio- First record
- 16 Feb 1984
- Latest record
- 23 Oct 2017
- Survey events
- 10
Roach
Rutilus rutilus- First record
- 16 Feb 1984
- Latest record
- 23 Oct 2017
- Survey events
- 10
Minnow
Phoxinus phoxinus- First record
- 16 Feb 1984
- Latest record
- 23 Oct 2017
- Survey events
- 8
Dace
Leuciscus leuciscus- First record
- 20 Nov 1989
- Latest record
- 23 Oct 2017
- Survey events
- 7
Stone loach
Barbatula barbatula- First record
- 16 Feb 1984
- Latest record
- 23 Oct 2017
- Survey events
- 7
3-spined stickleback
Gasterosteus aculeatus- First record
- 16 Feb 1984
- Latest record
- 23 Oct 2017
- Survey events
- 3
Bullhead
Cottus gobio- First record
- 26 Nov 2007
- Latest record
- 23 Oct 2017
- Survey events
- 3
Perch
Perca fluviatilis- First record
- 20 Nov 1989
- Latest record
- 8 Jan 2002
- Survey events
- 4
Feral [brown] goldfish
Carassius auratus- First record
- 20 Nov 1989
- Latest record
- 13 Apr 1993
- Survey events
- 2
Rudd
Scardinius erythrophthalmus- First record
- 16 Feb 1984
- Latest record
- 20 Nov 1989
- Survey events
- 3
European eels > elvers
Anguilla anguilla- First record
- 16 Feb 1984
- Latest record
- 26 Nov 1986
- Survey events
- 2
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