What are the disadvantages of bioluminescence?

Bioluminescence can have several disadvantages, including increased predation risk, as animals that emit light may attract predators or become more visible to them. Additionally, bioluminescent organisms may face energy costs associated with producing light, which can divert resources from growth or reproduction. Furthermore, in certain environments, bioluminescence can lead to unwanted attention from competitors or parasites. Lastly, bioluminescent signals may become less effective in highly lit environments, reducing their usefulness for communication or mating.