📸 PhotoPhoto: Noles1984 at English Wikipedia · Public domain · Wikimedia Commons Source
Prickly shark
Echinorhinus cookei (Prickly shark · コギクザメ)
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 Its maximum length of 4 m is close to the length of a passenger car (about 4.5 m) (Comparison).
- 💡 The report of up to 114 young in a single litter is about four times the size of a school classroom (about 25–30 students) (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 Prickly shark is a large, sluggish shark living on continental shelves and the upper slopes around islands.
🦴 2. Anatomy & Morphology
It is a large shark that matures at a body length of 2.5–3 m and grows up to a maximum of 4 m.
🔍 3. Ecology & Behavior
It feeds on various fishes, other sharks, octopuses, and squid. It is ovoviviparous, with eggs hatching inside the mother's body, and gives birth to up to 114 young in a single litter.
🇰🇷 4. Connection to Korea
It is a species recorded in Korea and listed on the National List of Species of Korea.
📚 Sources & References
- • IUCN Red List DD (2018) — https://www.iucnredlist.org/species/41802/68622003
- • IUCN Red List category DD — latest assessment at iucnredlist.org
- • catalogueoflife.org — 38KP2
- • iucnredlist.org — 68622003
- • 국가생물종목록(국립생물자원관) ktsn 120000224151 — https://species.nibr.go.kr/home/mainHome.do?cont_link=009&subMenu=009002&contCd=009002&ktsn=120000224151
- • wikidata.org — Q140379
- • commons.wikimedia.org — File:Prickly Shark.gif
- • fishbase.se — Echinorhinus-cookei.html
- • Silhouette: PhyloPic — author not recorded · Public Domain Mark 1.0 (Congeneric silhouette — Echinorhinus brucus)
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.