📸 PhotoPhoto: RuinDig/Yuki Uchida · CC BY 4.0 · Wikimedia Commons Source
Swordtip squid
Uroteuthis edulis (Swordtip squid · ケンサキイカ)
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 Its common mantle length of 15–25 cm in commercial catches is from the length of a smartphone (about 15 cm) to about 1.7 times that length (Comparison).
- 💡 It is a commercial species caught with jigs and set nets (SeaLifeBase).
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 swordtip squid is a loliginid squid living near the bottom of the continental shelf in the Indo-Pacific and is harvested commercially.
🦴 2. Anatomy & Morphology
Its mantle length reaches up to 50 cm and is usually 15–25 cm in commercial catches.
🔍 3. Ecology & Behavior
Its lifespan is about 1 year, and it spawns in spring, summer, and autumn. Its spawning grounds are sandy bottoms at depths of 30–100 m influenced by warm currents. Juveniles prefer crustaceans, while adults feed mainly on fish.
🇰🇷 4. Connection to Korea
It is listed on the National List of Species of Korea under the name Chang-kkolttugi (Korean name).
📚 Sources & References
- • IUCN Red List DD (2019) — https://www.iucnredlist.org/species/162981/960084
- • IUCN Red List category DD — latest assessment at iucnredlist.org
- • marinespecies.org — aphia.php
- • iucnredlist.org — 960084
- • 국가생물종목록(국립생물자원관) ktsn 120000237449 — https://species.nibr.go.kr/home/mainHome.do?cont_link=009&subMenu=009002&contCd=009002&ktsn=120000237449
- • wikidata.org — Q2202434
- • commons.wikimedia.org — File:Sushiro---2023-10-26 003.jpg
- • sealifebase.se — Uroteuthis-edulis.html
- • Silhouette: PhyloPic — Cagri Cevrim · CC0 1.0 (Related taxon silhouette — Loligo vulgaris)
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.