This year’s local white shark count wrapped up with record highs at the Farallon Islands, puzzling lows at Tomales Point, anomalous observations across the board and the return of a familiar friend—a 16-foot-long shark named Sickle-Fin who has been spotted several times since 2008. 

Paul Kanive and Scot Anderson, the president and vice president of the nonprofit California White Shark Project, are happy with their findings. Over a period of 29 days, the pair…