>> PHOTOS: Top 10 terrifying spiders

Brian, aka Dolomedes briangreenei, stands on top of the water and uses the vibrations it feels to find and stalk prey.

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When the arachnid targets a creature to devour, it runs across the water to nab it.

The spider then drags the prey underwater before swimming back to shore to consume it.

Brian is big enough to eat fish, frogs and even large cane toads but poses no threat to humans.

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Protesters stage a rally near the U.S. Embassy in Seoul, South Korea, on Tuesday, Sept. 9, 2025. The people were protesting against the detention of South Korean workers after an immigration raid in Georgia, and many of the signs read "A tariff bomb and workers confinement." (Ahn Young-joon/AP)

Credit: AP