This one's really under the radar:

Wahoo's Fish Taco - the Southern California-rooted Mexican/Brazilian/Asian quick-serve chain with the Hawaiian surfer twist - is about to sign a deal in University City.

My sources locate it in the Left Bank at 3180 Chestnut St., in the former Mikey's American Grill space at Drexel University.

No timeline is known, because no one associated with this proposed franchise arrangement would yap yet.

Wahoo's would join Drexel's new restaurant row less than a block away at Chestnut Square, whose occupants include Shake Shack, Zavino, and coZara.