Related Clues:

• Fish of the salmon family
• Rainbow, say, seen in West End, north of Waterloo
• Dexter's Paris quintet
• Try to persuade of the merits of importing river fish
• Fish found in Thames, initially west of Waterloo
• Swimmer's brisk pace round bend
• Fish dish served after short time
• Experiment with missing unknown: one may be hooked
• Slight mist
• Performance by five players in West End debacle
• Rainbow, for example, seen in Waterloo, south of West End
• Swimmer that strong needs to produce air
• Profiteer has 10 fish
• Catch solicitor clutching his bottom
• Stream denizen