Crossword Genius

A brief way to encourage a high-priced swimmer (8)

Ross

I believe the answer is:

sturgeon

I'm a little stuck... Click here to teach me more about this clue!

'a high-priced swimmer' is the definition.
'sturgeon' can be an answer for 'swimmer' (type of fish). I am not sure about the 'a high-priced' bit.

'a brief way to encourage' is the wordplay.
'a brief way' becomes 'st' (abbreviation for street; 'brief' indicates an abbreviation).
'to encourage' becomes 'urgeon' (urging on is a kind of encouraging).
'st'+'urgeon'='STURGEON'

Can you help me to learn more?

(Other definitions for sturgeon that I've seen before include "Fish providing isinglass" , "producer of caviar" , "swimmer" , "Caviare-yielding fish" , "provider of delicacy?" .)

I've seen this clue in The Globe and Mail.
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