Fished the Clyde since a wee boy , caught all sorts of fish since , but sadly there ain't many fish left , IMHO it's nothing to do with the subs , it's to do with the amount of seals. , cormorrants they eat all the small fish , the seals take the bigger ones it's not rocket science , just the same as the song bird population , they are in decline. And surprise surprise the bops are on the increase . Equilibrium is needed and I'm afraid it's went too far .