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Flatworm Gallery

"I got a flatworm! Guess it forgot it’s spareworm." —New Horizons

The flatworm is a benthic animal found at the bottom of the ocean in New Leaf and New Horizons. Diving is the only way to get it.

Donation to the museum[]

In New Leaf[]

In New Leaf, an information board in the aquarium will list information about this creature.

"Flatworms are flat creatures, and while some types look like sea slugs, they have little else in common. Some types are venomous and produce a poison similar to the kind blowfish are famous for. Flatworms are hermaphrodites and mate by fighting to determine the loser, who then bears the eggs."

In New Horizons[]

Upon donation or selecting "Tell me more about this!", Blathers the curator will say:

"Marine flatworms are...well...flat and worm-like, as their name suggests. But while this sea creature is said to be quite simple, it does possess some rather remarkable powers. You see, when flatworms are injured, they can grow new body parts with ease. And when a flatworm is cut in half, each side can grow a whole new flatworm of its own. But most impressive of all...some flatworms can clone themselves without suffering a single cut! Ah, if only I, too, could safely divide myself in two. Hoo, imagine all the work I could do!"

Capture Quotes[]

"I got a flatworm! Why’s it so flat? Steamroller?" —New Leaf
"I got a flatworm! Guess it forgot it’s spareworm." —New Horizons


Encyclopedia Information[]

New Leaf[]

Deep-Sea Creature
Encyclopedia Information
"I got a flatworm! Why's it so flat? Steamroller?"
Size 1.5 inches
Time Night-Day
Season Summer



New Horizons[]

Deep-Sea Creature
Encyclopedia Information
"I got a flatworm! Guess it forgot its spareworm."
Current Active Hours 4pm–9am
Months active (north) Aug–Sep
Months active (south) Feb–Mar



Further Information[]

Flatworm

A flatworm in real life.

Main article: Flatworm on Wikipedia

The word "flatworm" is used as an umbrella term for a vast amount of primitive creatures, ranging from as large as two feet long to completely invisible to the naked eye. The flatworm family, Platyhelminthes, consists of many dangerous parasites such as tapeworms and flukes, which are infamous for attacking livestock, humans, and many other animals-at least one species is known to infest whales. The nonparasitic animals usually called flatworms, however, resemble sea slugs or worms and are generally harmless to humans.

In other languages[]

flatworm
Language Name Translation
Japan Japanese ヒラムシ (Hiramushi) -
France French ver plat -
Spain Spanish gusano políciado -
Germany German meerstrudelwurm -
Italy Italian verme piatto -
China Chinese 海扁蟲/海扁虫 (hǎibiǎnchóng) -



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