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Wing Lam, co-founder of Wahoo's Fish Taco, holds up his knife as he hands out the first piece of cake as the restaurant chain celebrates its 25th anniversary.

Wahoo's Fish Taco is celebrating 25 years after starting in Costa Mesa.

( STEVEN GEORGES, Daily Pilot / January 9, 2013 )

Wing Lam, co-founder of Wahoo's Fish Taco, holds up his knife as he hands out the first piece of cake as the restaurant chain celebrates its 25th anniversary.