Museum Victoria collects gelatinous fish, spiny crabs, scarlet sea-spiders, nightmarish cookie cutter sharks and plenty of rubbish
• Gallery: Deep sea discoveries: sea pigs, a dumbo octopus and glow-in-the-dark sharks
There’s no sunlight four kilometres below the waves but there is light.
It comes from a sea cucumber that emits a faint glow from its sticky skin, attracting fish and crabs that try to take bites out of its side. The skin is both a lure and a trap, marking incautious predators with a sticky glowing dot, an “eat me” sign to any passing larger predators.
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Source: Guardian Climate Change