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These photophores can make different light patterns in order to communicate with others, distract predators, or catch food. The firefly squid also has three pigments along with a double layered retina in the back of their eye to distinguish light produced by other firefly squid or predators. Firefly squid are also the only type of squid with color vision
Adaptations
Firefly squid are known to be the hosts of larvae. In the food chain, these animals are known to be secondary consumers. Predators of the firefly squid include the Northern Fur Seal and humans.
Firefly squid have no adaptations to the cold or to increasing pressure. However, they do have adaptions for darkness. These creatures have photophores of little blue lights that attract mates and help them catch fish.
The firefly squid is a carnivore that eats shrimp, crabs, small fish, and planktonic crustaceans.
Each tentacle on the firefly squid has an organ called a photophore that produces light. When these lights flash, they attract small fish or mates.
Firefly squid are commercially fished in Japan and used to produce certain types of sushi.
These creatures die after one year of life, and are also only three inches in length.
The mating season of firefly squid are from March to June, when they light up their whole bodies to attract a mate.
These creatures are found in the middle to deep sea and can live 365 meters under the water. The zones that they mostly occupy are the disphotic and the epipelagic zones.