- · Grid units represent actual meters (m); human and animals are drawn to the exact same scale with original silhouette aspect ratios preserved.
- · When a size range is recorded (e.g. 1–1.6m), the lower bound is used for scale comparison.
- · Plumarella spinosa: Drawn using our own body-shape diagram where an open-licensed silhouette was unavailable.
- · Human silhouette: PhyloPic — NASA · Public Domain Mark 1.0
Plumarella spinosa
Plumarella spinosa (Plumarella spinosa · Plumarella spinosa)
Not Evaluated (NE) on the IUCN Red List yet.
🇰🇷 Class II endangered wildlife (Korea)
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 Its colony height of about 15 cm is the same length as a student's 15 cm ruler (Comparison).
- 💡 Because it spreads out flat like a bird's feather, its Korean name is Gitsanho (Korean name, meaning 'feather coral') (National Institute of Ecology 'feather-shaped' description).
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
Plumarella spinosa is a rare cold-water coral living attached to bedrock at depths of 50–100 m along the south coast and Jeju waters of Korea, and it is a Class II endangered wildlife (Korea) species.
🦴 2. Anatomy & Morphology
Its colony is a completely flat feather shape about 15 cm high, with an overall apricot tint on a white background, and about 15 branchlets arise within every 5 cm of stem.
🔍 3. Ecology & Behavior
It catches small plankton with its venomous nematocysts, and ecological information regarding its reproduction is still lacking.
🇰🇷 4. Connection to Korea
It is a Class II endangered wildlife (Korea) species distributed along the south coast and in Jeju Island waters in Korea, and rising water temperatures, marine pollution, and careless underwater leisure activities are threat factors.
📚 Sources & References
- • 멸종위기 야생생물 Ⅱ급 — 국가생물종목록(국립생물자원관) ktsn 120000039770 — https://species.nibr.go.kr/home/mainHome.do?cont_link=009&subMenu=009002&contCd=009002&ktsn=120000039770
- • IUCN Red List: not evaluated (NE) — cross-checked with the Wikidata conservation-status entry
- • Korean protection status: Class II endangered wildlife (Korea)
- • marinespecies.org — aphia.php
- • 국가생물종목록(국립생물자원관) ktsn 120000039770 — https://species.nibr.go.kr/home/mainHome.do?cont_link=009&subMenu=009002&contCd=009002&ktsn=120000039770
- • wikidata.org — Q2593779
- • nie.re.kr — view.do
- • nie.re.kr — list.do
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.