It is a classic example of bioluminescence. And the 2m (6ft 6in) Dana squid (Taningia danae) is thought to have the biggest photophores in the animal kingdom - roughly the size of lemons.
About 128 baby bobtail squid are set to be sent to the International Space Station More than 100 baby squid and 5,000 microscopic animals are set to be launched to the International Space Station ...