Actors Zac Efron along with comedian Adam DeVine had a fun time diving with tiger sharks in the deep blue sea of Oahu island, Hawaii.
On Tuesday, the "Neighbors" actor shared with fans on micro-blogging website Twitter a video of him riding the red-listed species, reports aceshowbiz.com.
In the video recorded on June 14, The "High School Musical" alum was also seen grabbing one of the sharks' fin and riding it.
A caption for the video read: "Eating sardines + riding tiger sharks + @adamdevine Lifetime memories #savethesharks @oceanramsey @oneoceandiving."
Prior to the video, the 27-year-old actor posted a photograph of the same activity on Twitter.
The photograph showed him diving just inches away above the shark.
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He captioned it: "Tiger shark diving yesterday was epic. A red listed species w/less than 30K worldwide. #spiritanimals #HelpSaveSharks."
The two are currently filming comedy "Mike and Dave Need Wedding Dates" in Hawaii. The film which also stars Anna Kendrick and Aubrey Plaza is scheduled to be released on July 8, 2016 in the US.