THERE'S something fishy about this under-the-sea brainteaser.
Can you find the fish hiding amongst the octopuses in this sea-life cartoon?
Curiosity will keep you transfixed for hours as it's left internet users struggling to figure it out.
Hungarian artist Gergely Dudás, who goes under the Twitter handle Dudolf posted his puzzle on his Facebook page.
It was shared more than 1,000 times in under 24 hours, and thousands of people voiced their frustration at the seemingly straightforward task of locating a fish.
But it was trickier than they expected.
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One Facebook user who spotted it queried: "I just see the fishes head. Is that right?"
Another joked: "The fish is hiding so I can't find it."
If you're still having trouble, look to the bottom right corner of the image.
You might notice an eye that's not part of a pair.
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Previously, the cartoonist, who kicked off the pandamonium series, left thousands baffled with his festive puzzle of a panda amongst snowmen.
The game follows a teaser that was created by Max Knoblauch and recently posted by Mashable's Watercooler.
The quirky puzzle features hamsters in different moods with a few sporting fancy dress costumes to distract the viewer.
Here's another photo that will drive you mad: Can you see the sleeping cat lurking among these pile of logs?
Curiosity will keep you transfixed… but is it really an im-purrsible task?
If you look closely for long enough, you’ll see an orange tabby feline dozing off.
The snap was originally posted by Reddit user jmankruse, but has since been shared on several other Reddit threads
It has left internet users scratching their heads after spotting this mind-boggling illusion photo.
One user wrote: “I must have stared at that picture for 10 seconds, which is ten minutes in internet time.”
Another posted: “Cat camouflage level 10.”
While another joked: “Sleeping like a log.”
Reddit user jmankruse revealed the cat name is Lloyd adding: “But who knew orange cats could blend so well.”
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