WATCH: Divers and photographers capture video of shockingly giant jellyfish

A few divers got a shock Tuesday in the waters off Playa Majahuitas beach, Mexico, when they captured video of a rarely seen huge white jellyfish.

They said the creature they saw while diving in Puerto Vallarta's Banderas Bay was almost twice their size.

Photographer Christian Hauser and fellow divers came across the jelly, but made sure to steer clear of touching its tentacles.

Vince Levesque, Senior Aquarist at Birch Aquarium at Scripps in La Jolla, California told Fox News Latino that it's difficult to know for sure the type of jellyfish the divers saw, but he suspects it is a "fried egg" jelly or phacellophora. "It's pretty far South from where we normally see them, but it may have gotten pushed South due to winds or storms off the coast," Levesque says.

Levesque said because he's not sure exactly the type, the jelly in the video could also be a Drymonema larsoni, usually found in Florida waters. "Jellies can easily be transported in ballast water of large ships and could cross through the Panama canal in this way," he says.

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Jellyfish are plankton (from the Greek word planktos, meaning to wander or drift); they’re made up of gelatinous or “jelly-like” material. There are stinging and non-stinging jellies.

"The 'fried egg' can be about 3 feet in bell height, with 25 foot long arms. They have a venomous sting, but it's not too bad. If you got entangled in one it could leave welts.

Jellyfish live less than one year, and eat phytoplankton, gopepods, fish eggs and other small fish called larvae.

They are a critical piece of the ocean ecosystem, providing food for fish and turtles and offering protection for small fish threatened by predators.

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