Fish

Krøyer’s deep-sea anglerfish

Ceratias holboelli

PacificAtlanticIndianSouthernArctic Found in 3 oceans

Deep waters of all oceans, from the tropics to temperate waters

Depth

About 400 to 2,000 m

Size

Female up to 1.2 m, male about 15 cm

Diet

Fish

Zone

Midnight zone · 1,000 m and deeper

Key facts

• The male bites the female and fuses with her: he becomes a parasite that shares her blood.
• The female can be 60 times longer than the male, a record in the animal world.

Verified sources

1. FishBase – Ceratias holboelli
2. Guinness World Records – Largest sexual dimorphism in the same species
3. FishBase, Ceratias holboelli

In the game: To observe

In the same zone

TelescopefishGigantura chuni Patagonian toothfishDissostichus eleginoides Umbrella octopusCirroteuthis muelleri Pacific sleeper sharkSomniosus pacificus Arctic Botrynema jellyfishBotrynema ellinorae (or B. brucei ellinorae) Antarctic deep-sea smeltBathylagus antarcticus