Assertion: giant squid's fin | /r/CapableOf | tip with a photophore lit
Facets:
value: with bioluminescence
type: OTHER
Source sentences:
text: Some species, such as the deep sea anglerfish and the viperfish , are also equipped with a long, thin modified dorsal fin on their heads tipped with a photophore lit with bioluminescence used to lure prey.