Where does this come from, and can I check it?

It was filmed in the Izu-Ogasawara Trench south of Japan. The figure is taken from University of Western Australia, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.

Is this really a records & extremes fact?

Yes. It sits on the Records & Extremes shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.

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The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.

Mondo Knows Facts

A snailfish filmed at 8,336 metres is the deepest fish recorded

It was filmed in the Izu-Ogasawara Trench south of Japan

A juvenile snailfish was recorded on camera in 2022 at 8,336 metres below the surface, deeper than any fish previously seen. Snailfish tolerate the pressure because their tissues lack gas-filled spaces and their cells accumulate a stabilising compound. The absolute limit for fish is thought to be a few hundred metres deeper.

Where this comes from

University of Western Australia

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Tags: fish, deep sea, trenches

A snailfish filmed at 8,336 metres is the deepest fish recorded: the short answers

Where does this come from, and can I check it?: It was filmed in the Izu-Ogasawara Trench south of Japan. The figure is taken from University of Western Australia, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a records & extremes fact?: Yes. It sits on the Records & Extremes shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?: The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.