- · 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.
- · North Pacific lightfish silhouette: PhyloPic — Christopher Kenaley · CC0 1.0 (Sternoptyx pseudobscura)
- · Human silhouette: PhyloPic — NASA · Public Domain Mark 1.0
North Pacific lightfish
Maurolicus japonicus (North Pacific lightfish · キュウリエソ)
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 Its maximum length of 5 cm is about twice the diameter of a Korean 500-won coin (26.5 mm) (Comparison).
- 💡 Its maximum length of 5 cm is less than 1/4 of the short side of an A4 sheet of paper (21 cm) (Comparison).
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 North Pacific lightfish is a small deep-sea fish living from Toyama Bay and the Pacific coast of Honshu, Japan, to the Ryukyu Islands, the Ogasawara Islands, and around Hawaii.
🦴 2. Anatomy & Morphology
It is a tiny fish reaching a maximum body length of only 5 cm.
🔍 3. Ecology & Behavior
It is recorded as living in waters just above the bottom in the deep sea, though its diet and reproduction are not listed in FishBase.
🇰🇷 4. Connection to Korea
It is listed on the National List of Species of Korea (National Institute of Biological Resources (NIBR)).
📚 Sources & References
- • IUCN Red List LC (2020) — https://www.iucnredlist.org/species/137568863/137570759
- • IUCN Red List category LC — latest assessment at iucnredlist.org
- • catalogueoflife.org — 3YG57
- • iucnredlist.org — 137570759
- • 국가생물종목록(국립생물자원관) ktsn 120000057758 — https://species.nibr.go.kr/home/mainHome.do?cont_link=009&subMenu=009002&contCd=009002&ktsn=120000057758
- • wikidata.org — Q2095048
- • fishbase.se — Maurolicus-japonicus.html
- • species.nibr.go.kr — general-search
- • Silhouette: PhyloPic — Christopher Kenaley · CC0 1.0 (Related taxon silhouette — Sternoptyx pseudobscura)
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.