📸 PhotoPhoto: R.horibe · CC BY-SA 3.0 · Wikimedia Commons Source
Oriental butterflyfish
Chaetodon auripes (Oriental butterflyfish · チョウチョウウオ)
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 Its maximum length of 20 cm is slightly longer than a pencil (about 17.5 cm) (Comparison).
- 💡 In Korea, it has been recorded in Busan and Jeju (National List of Species of Korea).
- 💡 It is targeted by commercial fisheries and the aquarium trade (FishBase).
Reference standards: coach bus ~12 m, mid-size car ~4.9 m, compact car ~1 t, basketball hoop 3.05 m, credit card 8.56 cm.
📖 1. Overview
The Oriental butterflyfish is a butterflyfish living around coastal reefs in the western Pacific from Japan to Taiwan. In Korea, it has been recorded in Busan and Jeju.
🦴 2. Anatomy & Morphology
Its body is a strongly flattened oval shape, and both the body and tail fin are deep yellow. A black band passing through the eye runs from the top of the head to the cheek, followed by a white band behind it.
🔍 3. Ecology & Behavior
It feeds on zooplankton such as crustaceans and bottom-dwelling invertebrates including polychaete worms and gastropods. During the breeding season, it lives in male-female pairs and exhibits hermaphroditism.
🇰🇷 4. Connection to Korea
According to the National List of Species of Korea, it has been recorded in Busan and Jeju.
📚 Sources & References
- • IUCN Red List LC (2010) — https://www.iucnredlist.org/species/165693/6093779
- • IUCN Red List category LC — latest assessment at iucnredlist.org
- • catalogueoflife.org — 69NLY
- • iucnredlist.org — 6093779
- • 국가생물종목록(국립생물자원관) ktsn 120000058668 — https://species.nibr.go.kr/home/mainHome.do?cont_link=009&subMenu=009002&contCd=009002&ktsn=120000058668
- • wikidata.org — Q324044
- • commons.wikimedia.org — File:Oriental butterflyfish.jpg
- • fishbase.se — Chaetodon-auripes.html
- • species.nibr.go.kr — mainHome.do
- • Silhouette: PhyloPic — author not recorded · CC0 1.0 (Congeneric silhouette — Chaetodon melapterus)
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.