📸 PhotoPhoto: Peter van der Sluijs · CC BY-SA 3.0 · Wikimedia Commons Source
Blue skate
Dipturus batis (Blue skate · コモンスケイト)
💡 Everyday Comparisons for Size, Mass & Speed
- 💡 Its maximum total length of 2.85 m is longer than the length of a bed (about 2 m) (Comparison).
- 💡 Its maximum weight of 113 kg is the weight of 5–6 bags of rice weighing 20 kg each (Comparison).
- 💡 With a reported lifespan of up to 51 years, it lives past fifty in human terms (Comparison, 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.
Site-computed relative index from recorded values; not a formal scientific metric.
📖 1. Overview
The Blue skate is a very large skate living on the continental shelf and slope bottoms of the northeastern Atlantic, and faces a critical risk of extinction. Due to past taxonomic confusion, some of its biological information remains unclear.
🦴 2. Anatomy & Morphology
Males mature at around 115 cm in body length and females at around 123 cm, growing up to a maximum of 2.85 m. Size at hatching is about 21 cm.
🔍 3. Ecology & Behavior
It feeds on bottom invertebrates and fishes, including other skates. It is oviparous with a long embryonic development inside the egg, and young individuals tend to follow large objects such as their mother. Its lifespan has been reported up to 51 years.
🇰🇷 4. Connection to Korea
No direct record connecting this species to Korea has been found.
📚 Sources & References
- • IUCN Red List CR (2024) — https://www.iucnredlist.org/species/203364219/256580832
- • IUCN Red List category CR — latest assessment at iucnredlist.org
- • catalogueoflife.org — 36R33
- • iucnredlist.org — 256580832
- • wikidata.org — Q1421947
- • commons.wikimedia.org — File:Vangst van een vleet.jpg
- • fishbase.se — Dipturus-batis.html
- • Silhouette: PhyloPic — Ignacio Contreras · CC BY 3.0 (Congeneric silhouette — Dipturus trachydermus)
Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.