| Summary: | The River Tweed (Figs 1-4) is, in rod-catch terms, the second most importantriver in Britain for Atlantic salmon Salmo salar L., with an annual rod catch ofca. 10,000 fish, and also supports a now much reduced salmon-net fishery in itsestuary (illustrated on the Front Cover of this volume) and around theimmediate North Sea coastline. A drift-net fishery off the Northumbrian coastalso takes a significant number of Tweed salmon (Anon. 1991). As well as itsfamous salmon, sea-trout (Salmo trutta trutta) and brown-trout (S. trutta fario)fisheries, some notable grayling (Thymallus thymallus) are caught - the presentScottish record (3 lbs 1 oz; 1.404 kg) is from the Tweed. Some coarse fishspecies, roach (Rutilus rutilus), dace (Leuciscus leuciscus) and gudgeon (Gobiogobio), have been introduced within the past 100 years (Mills 1989).
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