Cephalopod

Ram’s horn squid

Spirula spirula

PacificAtlanticIndianSouthernArctic Found in 3 oceans

Tropical and subtropical waters of the Atlantic, Pacific and Indian Oceans

Depth

About 100 to 1,000 m

Size

About 4 cm

Diet

Zooplankton

Zone

Twilight zone · 200 – 1,000 m

Key facts

• It carries a small coiled shell inside its body that helps it float.
• Its white shells often wash up on beaches, while the living animal is rarely seen.
• A photophore at the rear of its body gives off a yellow-green glow.

Verified sources

1. Wikipedia, Spirula
2. Lindsay et al. 2020, première observation in situ
3. SeaLifeBase, Spirula spirula

In the game: Prey: +2 points

In the same zone

Black-eyed squidGonatus onyx Giant larvaceanBathochordaeus sp. SalpFamily Salpidae Arrow wormPhylum Chaetognatha Giant ostracodGigantocypris sp. PhronimaPhronima sedentaria