Assertion: jellyfish's light | /r/HasProperty | blue
Facets:
value: usually
type: DEGREE
Source sentences:
text: The natural light they produce is usually blue and green, which in turn is refracted by the moving cilia, giving them the appearance of glowing blobs of light drifting through the darkness of ocean waters.
text: Most species are also bioluminescent, but the light is usually blue or green and can only been seen in darkness.
text: Most species are also bioluminescent, but the light is usually blue or green and can only be seen in darkness.
text: Jellyfish contain a protein which causes them to glow when exposed to blue light.