🧬 Biological Classification (Kingdom to Species)Sebastes schlegelii
Kingdom
Animalia
Phylum
Chordata
Class
Teleostei
Order
Perciformes
Family
Sebastidae
Genus
Sebastes
Species
Sebastes schlegelii
Korean rockfish (Sebastes schlegelii)📸 Photo
Teleostei🥩 Carnivore

Korean rockfish

Sebastes schlegelii (Korean rockfish · クロソイ)

🛡️ Conservation Status (IUCN Red List)NE (Not Evaluated)

Not Evaluated (NE) on the IUCN Red List yet.

Geological Era
Extant
Diet
Carnivore
Length · Height
65cm · No data
Mass · Top Speed
3.1kg · No data
Habitat & Fossil Locality
Rocky shallow coastal waters, depths of 3–100 m

💡 Everyday Comparisons for Size, Mass & Speed

  • 💡 Its maximum weight of 3.1 kg is a little over the weight of two 1.5 L PET bottles (Comparison).
  • 💡 It is the most commonly encountered fish at raw fish restaurants in Korea and is eaten raw, grilled, dried, or in spicy soup (National List of Species of Korea).
  • 💡 In Korea, it is more commonly called "Ureok" (Korean name) than Jopibollak (Korean name) (National List of Species of Korea).

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.

📊 Mass & Speed Index (0–100)
⚖️ Mass Index (Blue Whale ~190 t = 100, log scale)42

Site-computed relative index from recorded values; not a formal scientific metric.

#우럭#Sebastes schlegelii

📖 1. Overview

The Korean rockfish (Jopibollak, Korean name) is a rockfish living in shallow, rocky coastal waters and is commonly called "Ureok" (Korean name) in Korea. Along with the bastard halibut (Neopchi, Korean name), it is one of Korea's representative farmed fish.

🦴 2. Anatomy & Morphology

It has 3 sharp spines above the upper jaw and 2 stripes below the eye. Its body is grayish-brown with scattered black spots.

🔍 3. Ecology & Behavior

It mainly eats invertebrates and fish. It is viviparous, fertilizing internally from December to February and giving birth to live young in March and April, and juveniles shelter among drifting seaweed.

🇰🇷 4. Connection to Korea

According to the National List of Species of Korea, it inhabits all coastal waters of Korea, and large numbers are released every year, making its stocks abundant.

📚 Sources & References

Recorded dimensions are widely cited representative estimates from public literature and may vary by study or specimen.

🔗 Related & Comparable Species

DATA & LICENSE

📚 Data & Image Sources and Licenses

Full Citation Principles →
① Photos: Wikimedia Commons

Every photo's author and license is verified via the Wikimedia Commons API (PD, CC0, CC BY, CC BY-SA) and displayed with full attribution and source links.

② Summaries: Wikipedia

Wikipedia summary excerpts on detail pages are licensed under CC BY-SA 4.0 and linked to the original article.

③ Measurements & IUCN Status

Length, mass, and speed are representative estimates from published literature. Conservation status follows IUCN Red List categories (iucnredlist.org).

④ Silhouettes & Scale Diagrams

Silhouettes on the size comparison stage use open-licensed PhyloPic illustrations and custom body diagrams drawn at an exact 1m = 1m scale.

Expert review: looking for reviewers · compiled by quoting official (English) sources

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