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Ocean animals

Ophisurus macrorhynchos

Amazing fact

The Dainan snake eel is a fish belonging to the eel group.

University of Michigan Animal Diversity Web
Ophisurus macrorhynchos in its habitat (illustration)

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An illustration based on the real animal.

A little discovery to share.

The Dainan snake eel is a fish belonging to the eel group.

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THE REAL WORLD

The real Ophisurus macrorhynchos

Scientific name
Ophisurus macrorhynchos
Japanese name
ダイナンウミヘビ
Group
Ocean animals
Order
Anguilliformes
Family
Ophichthidae
Genus
Ophisurus
Facts about the real animal.
01

Its body is gray with no markings.

02

It lives on sandy and muddy sea floors, from shallow water down into the deep sea.

03

It lives in Japanese seas from Aomori to Kyushu and off the coasts of the Korean Peninsula and China.

Basic data

Range
East China Sea, southern Korean Peninsula, Jeju Island, Jiangsu, Zhejiang, and elsewhere
鳥羽水族館

Where the Ophisurus macrorhynchos has been recorded

World map with dots where the Ophisurus macrorhynchos 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

简体中文
大吻沙蛇鳗
繁體中文
大吻沙蛇鰻
한국어
바다뱀

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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