Alligator pipefish
Amazing fact
The male alligator pipefish guards eggs on the surface of its belly until they hatch.
沖縄美ら海水族館
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An illustration based on the real animal.
A little discovery to share.
The male alligator pipefish guards eggs on the surface of its belly until they hatch.
THE REAL WORLD
The real Alligator pipefish
- Scientific name
- Syngnathoides biaculeatus
- Japanese name
- トゲヨウジ
- Group
- Ocean animals
- Order
- Syngnathiformes
- Family
- Syngnathidae
- Genus
- Syngnathoides
Where the name “Alligator pipefish” comes from
Its genus name comes from Greek words for grown together and jaw.
Museums Victoria / Fishes of AustraliaA pipefish that lives from the coasts of Japan south of Ibaraki across the Indian and Pacific Oceans, including the Red Sea.
How the Alligator pipefish lives
It mainly eats zooplankton. In danger, it may jump out of the water onto floating plants. Newly hatched young gather near the water surface.
沖縄美ら海水族館Museums Victoria / Fishes of AustraliaBasic data
- Range
- Hachijo Island, Seto Inland Sea, Ryukyu Islands, Taiwan, Penghu Islands, Hainan Island, Indo-Pacific, and elsewhere
Where the Alligator pipefish has been recorded
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
- トゲヨウジ
- 简体中文
- 拟海龙
- 繁體中文
- 雙棘擬海龍
- Français
- Longue-flûte
- Italiano
- Pesce ago alligatore
- العربية
- سمكة الأنبوب التمساحية
- Bahasa Indonesia
- Tangkur buaya
- Tiếng Việt
- Alligator pipefish
- Русский
- Игловидный морской конёк
Names come from Wikidata and iNaturalist records. Where a language has no recorded name, we use the scientific name.
Sources and how we check
- 鳥羽水族館 — トゲヨウジChecked: 2026-11-04
- 沖縄美ら海水族館 — トゲヨウジChecked: 2026-11-07
- Museums Victoria / Fishes of Australia — Double-end Pipehorse, Syngnathoides biaculeatus (Bloch 1785)Checked: 2026-11-07
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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