Cephalopod

Firefly squid

Watasenia scintillans

PacificAtlanticIndianSouthernArctic A single ocean

Northwest Pacific, around Japan

Depth

200 to 600 m

Size

About 7 cm

Diet

Small fish, crustaceans

Zone

Twilight zone · 200 – 1,000 m

Key facts

• Its photophores glow an intense blue.
• In spring, millions rise into Toyama Bay, in Japan, and light up the sea.
• It has three visual pigments and may be able to see colors.

Verified sources

1. Wikipedia, Firefly squid (cite Michinomae et al. 1994, J. Exp. Biol.)
2. SeaLifeBase, Watasenia scintillans

In the game: Prey: +3 points

In the same zone

Glass squidFamily Cranchiidae Glass octopusVitreledonella richardi Dana octopus squidTaningia danae Glowing-arm squidOctopoteuthis deletron Ram’s horn squidSpirula spirula Black-eyed squidGonatus onyx