Shark

Pacific sleeper shark

Somniosus pacificus

PacificAtlanticIndianSouthernArctic Found in 2 oceans

Depth

From the surface to about 2,200 m, mostly below 240 m

Size

Up to 4.4 m measured, possibly over 7 m

Diet

Octopuses, squid, fish, crabs, seals, carcasses

Zone

Midnight zone · 1,000 m and deeper

Key facts

• In 1998, a camera filmed it devouring a gray whale carcass at a depth of 1,740 m.
• Individuals over 7 m are said to have been photographed at depth, but none has been measured.
• Its flesh contains a toxin that causes symptoms of drunkenness in anyone who eats it.
• A female can carry up to 300 young.

Verified sources

1. FishBase, Somniosus pacificus
2. ReefQuest Centre for Shark Research, Pacific sleeper shark

In the game: To observe

In the same zone

Arctic Botrynema jellyfishBotrynema ellinorae (or B. brucei ellinorae) Antarctic deep-sea smeltBathylagus antarcticus Pigbutt wormChaetopterus pugaporcinus Helmet jellyfishPeriphylla periphylla Atolla jellyfishAtolla wyvillei FangtoothAnoplogaster cornuta