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Ocean animals

Northern pygmy squid

Amazing fact

The northern pygmy squid can eat the flesh inside its prey, leaving the shell empty and intact.

University of Michigan Animal Diversity Web
Northern pygmy squid in its habitat (illustration)

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An illustration based on the real animal.

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The northern pygmy squid can eat the flesh inside its prey, leaving the shell empty and intact.

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THE REAL WORLD

The real Northern pygmy squid

Scientific name
Idiosepius paradoxus
Japanese name
ヒメイカ
Group
Ocean animals
Class
Cephalopoda
Order
Idiosepida
Family
Idiosepiidae
Genus
Idiosepius
Facts about the real animal.
01

It lives in seas south of the Sanriku coast and from the Indian Ocean to the western Pacific and Australia.

02

It is a very small squid that never grows big.

03

It gives off a sticky substance from its back and lives stuck to seagrasses such as eelgrass.

How the Northern pygmy squid lives

When it spots prey, it approaches with its arms facing the shell. It grabs prey with its tentacles and pulls it into the circle of its arms. It paralyzes shrimp with a toxin.

University of Michigan Animal Diversity Web

Basic data

Size
Mantle length: up to about 2 cm
Range
South of Sanriku, Indo-West Pacific, and Australia
鳥羽水族館

Where the Northern pygmy squid has been recorded

World map with dots where the Northern pygmy squid has been recorded
Each dot marks a place with observations or specimens shared on GBIF. Some records are of animals that strayed or were brought by people, so the dots are not always where the animal lives.

Records: GBIF.org (CC0 and CC BY 4.0 records, retrieved 2026-11-07). Map: Natural EarthSee the records on GBIF

Watch wild animals from a distance. Do not touch or feed them, and take care of the places where they live.

Names around the world

日本語
ヒメイカ
简体中文
玄妙微鳍乌贼
繁體中文
玄妙微鰭烏賊
Português (Brasil)
Lula-pigmeia-paradoxo

Names come from Wikidata and iNaturalist records. Where a language has no recorded name, we use the scientific name.

Sources and how we check

We check each fact against its source. The illustrations simplify how the real animal looks.

The classification (class, order, family, genus) follows Wikidata records, checked against GBIF. Classifications can change as research goes on.

The basic data are the values given in each source. They vary with how the animal is measured, whether it is male or female, and whether it lives in the wild or in captivity.

This page was translated from the original Japanese with the help of AI.

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