AnglerRadar / Rivers / Main River Biss Main River Biss fishing evidence · Wessex
What fish are in the Main River Biss? Monitoring has recorded 15 species across 6 surveyed sites on this water, between 1997 and 2016. These are survey records with dates. They do not establish what is present today, that the water is fishable, or that you have permission to fish it.
River evidence passport
Four signals, kept deliberately separate. The passport shows identity, survey breadth, evidence freshness and trip constraints without turning unlike facts into an opaque “best river” score.
01 · Identity Main River Biss
EA ecology area Wessex
Waterbody IDs GB109053021750 · GB109053021780 · GB109053021790 · GB109053021820
Catchments Bristol Avon Catchment 02 · Survey breadth 6 sites · 13 events 15 positive taxa aggregates are shown. More survey coverage is not a fishing-quality verdict.
03 · Freshness by site Latest 18 Oct 2016
Within 2 years 0 sites
3–5 years 0 sites
6–10 years 1 sites
Older 5 sites 04 · Trip constraints Permission is not established Survey evidence carries no access boundary, permit, opening status, catch forecast or live safety signal. Resolve each before travelling.
Search current river conditions & alerts → Compare this evidence with another river → England coarse close season → Recorded species
What monitoring has found here Ordered by how many sites on this water recorded the species. A species not listed has not been recorded by these surveys — which is not the same as being absent.
Brown / sea trout Salmo trutta 5 sites latest 18 Oct 2016 Bullhead Cottus gobio 3 sites latest 18 Oct 2016 Chub Leuciscus cephalus 3 sites latest 28 Jun 2012 Dace Leuciscus leuciscus 3 sites latest 28 Jun 2012 European eel Anguilla anguilla 3 sites latest 14 Jul 2004 Gudgeon Gobio gobio 3 sites latest 11 Jul 2005 Perch Perca fluviatilis 3 sites latest 24 Oct 2007 Roach Rutilus rutilus 3 sites latest 28 Jun 2012 3-spined stickleback Gasterosteus aculeatus 2 sites latest 18 Oct 2016 Pike Esox lucius 2 sites latest 16 Sept 1997 Rainbow trout Oncorhynchus mykiss 2 sites latest 12 Jul 2010 Bleak Alburnus alburnus 1 site latest 11 Sept 1997 Common bream Abramis brama 1 site latest 11 Sept 1997 Crucian carp Carassius carassius 1 site latest 11 Sept 1997 Minnow Phoxinus phoxinus 1 site latest 28 Jun 2012 Surveyed sites on this water
6 shown, newest survey first
Provenance
Source and licence Source Environment Agency Ecology & Fish Data Licence Open Government Licence v3.0 Source copy retrieved 23 Jul 2026 Waterbody name As published by the Environment Agency Not asserted Current presence, access, permission, fishing quality or safety