Blue candiru
Amazing fact
The blue candiru has long, threadlike extensions on its dorsal and pectoral fins.
Florida Museum of Natural History
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An illustration based on the real animal.
A little discovery to share.
The blue candiru has long, threadlike extensions on its dorsal and pectoral fins.
THE REAL WORLD
The real Blue candiru
- Scientific name
- Cetopsis coecutiens
- Japanese name
- ブルーカンディル
- Group
- Freshwater animals
- Order
- Siluriformes
- Family
- Cetopsidae
- Genus
- Cetopsis
How the Blue candiru lives
It is a carnivorous catfish that eats other fish.
栃木県なかがわ水遊園Basic data
- Range
- Amazon River
Where the Blue candiru 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
- ブルーカンディル
- 简体中文
- 亚马逊鲸鲶
- 繁體中文
- 亞馬遜鯨鯰
- Русский
- Паразитический сом
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 — ブルーカンディルChecked: 2026-11-04
- 栃木県なかがわ水遊園 — ブルー・カンディルChecked: 2026-11-07
- Florida Museum of Natural History — Cetopsis coecutiensChecked: 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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