Hawaiian bobtail squid are nocturnal predators ... fischeri in the seawater to pores at the base of the light organ. These pores lead to inner crypts, where only V. fischeri can enter and colonize.

The Hawaiian bobtail squid gets Vibrio fischeri into its light organ by means ... symbiotic organs are well equipped to control where a symbiont can and can’t settle. Nutrient-filled crypts, for ...

A selection of these so-called symbiotic organs is shown below. The Hawaiian bobtail squid gets Vibrio fischeri into its light organ by means of chemical signals and a complicated obstacle course that ...