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Historic monitoring evidence · Environment Agency

Downstream Weir Head DERBT3

Yorkshire · 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.

17survey events
24 Sept 2001first recorded survey
3 Sept 2024latest recorded survey
9observed taxa shown

Observed taxa

What monitoring recorded here

Taxa are ordered by latest survey date. Counts and records reflect monitoring events, not an angling forecast.

Brown / sea trout

Salmo trutta
First record
24 Sept 2001
Latest record
3 Sept 2024
Survey events
17

Bullhead

Cottus gobio
First record
24 Sept 2001
Latest record
3 Sept 2024
Survey events
16

Stone loach

Barbatula barbatula
First record
24 Sept 2001
Latest record
24 Aug 2021
Survey events
13

Grayling

Thymallus thymallus
First record
24 Sept 2001
Latest record
20 Sept 2018
Survey events
12

Minnow

Phoxinus phoxinus
First record
24 Sept 2001
Latest record
20 Sept 2018
Survey events
7

European eels > elvers

Anguilla anguilla
First record
1 Sept 2016
Latest record
20 Sept 2018
Survey events
2

Lampetra sp. ammocoetes

Lampetra
First record
20 Sept 2018
Latest record
20 Sept 2018
Survey events
1

Lamprey sp.

Petromyzontidae
First record
27 Aug 2003
Latest record
11 Sept 2014
Survey events
5

Rainbow trout

Oncorhynchus mykiss
First record
12 Sept 2005
Latest record
12 Sept 2005
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 rules

Provenance

Source, licence and boundary

Open the official dataset