It's the aquatic photobomb that has churned national chatter...

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LOS ANGELES -- Do you see the shadowy figure lurking in the wave near those children?

Although some media outlets initially guessed it was a shark, officials say it's actually a dolphin.

Shark expert, David "Why Sharks Matter" Shiffman, says the tail on the water creature is flat, which indicates it's a dolphin.

Either way, it was a shock to June Emerson's son and his three friends who were in the water at the time.

Nobody noticed the apparent dolphin until days after the photo was taken.

Once posted on social media, the image quickly generated national headlines.