Science

Deep-sea anglerfish: Unusual species glows with

We already knew that anglerfish have light-generating bacteria in their tissues – now it turns out that one species, the Pacific footballfish, can also glow by fluorescing green

Life



12 January 2022

Pacific football fish

The Pacific footballfish (Himantolophus sagamius)

William Ludt/Journal of Fish Biology

Deep-sea anglerfish illuminate their pitch-black home using a lure that contains a colony of bioluminescent symbiotic bacteria, but now researchers have discovered that one anglerfish species creates a glow in a second, unexpected way.

The Pacific footballfish (Himantolophus sagamius) can also biofluoresce, which means it absorbs one wavelength of light and reflects it as a different colour. It is an ability seldom documented in the ocean’s inky depths, and has never been seen in anglerfish before.

In May 2021, a dead female footballfish washed …


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