What nickname have marine biologists given to the Atolla jellyfish's defensive bioluminescent display, which summons a bigger predator to attack its attacker?

Nature

Unlike air-breathing divers, how do deep-sea squid and fish near the Dumbo octopus's habitat withstand crushing water pressure?

Dumbo octopuses live deeper than Mount Everest is tall, yet squid and fish in the same zone survive crushing pressures using only seawater.

Nature

What unusual defensive maneuver does the vampire squid perform when threatened by a predator in the deep ocean?

Vampire squid turns itself inside-out like a living parka, cloaking predators in a mucus cloud while it escapes undetected.

Nature

Which deep-sea fish navigates almost entirely by detecting weak electrical fields generated by the muscle movements of nearby prey?

Sharks can detect electrical fields as weak as one-billionth of a volt — so sensitive they can sense a prey animal's heartbeat through sand.

Nature

What is the name of the phenomenon where certain trees send carbon and nutrients to neighbouring trees through underground fungal networks?

A single teaspoon of healthy forest soil can contain several kilometres of fungal threads, forming the living backbone of the 'Wood Wide Web.'

Nature

What technique do humpback whales use to herd fish into a concentrated mass before lunging upward to feed?

Humpback whales create 'bubble nets' by swimming in circles below fish schools, then breach through the center to feast on thousands at once.

Nature

In the extreme mating strategy of anglerfish, which two physical features does a male permanently lose after fusing to a female?

Anglerfish females absorb males into their bodies until they become fused gonads—a grotesque symbiosis where the male loses eyes, fins, and autonomy.