🧬 Biological Classification (Kingdom to Species)Eumetopias jubatus
Kingdom
Animalia
Phylum
Chordata
Class
Mammalia
Order
Carnivora
Family
Otariidae
Genus
Eumetopias
Species
Eumetopias jubatus
Steller Sea Lion (Eumetopias jubatus)📸 Photo

Photo: Rolf Ream · Public domain · Wikimedia Commons Source

Mammalia🌊 Marine predator / filter feeder

Steller Sea Lion

Eumetopias jubatus (Steller Sea Lion · トド)

🛡️ Conservation Status (IUCN Red List)NT (Near Threatened)
DDData Deficient
LCLeast Concern
NTNear Threatened
VUVulnerable
ENEndangered
CRCritically End.
EWExtinct in Wild
EXExtinct

🇰🇷 Class II endangered wildlife (Korea)

Geological Era
Extant
Diet
Marine predator / filter feeder
Length · Height
3~3.4m · No data
Mass · Top Speed
1.1t · No data
Habitat & Fossil Locality
Cold waters of the North Pacific, from coastal waters to the outer continental shelf (breeding rookeries and haul-outs on shore)

💡 Everyday Comparisons for Size, Mass & Speed

  • 💡 A male's length of 3.4 m is about 3/4 the length of a passenger car (about 4.5 m) (Comparison).
  • 💡 A male's maximum weight of 1,120 kg is similar to the weight of a compact car (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.

📊 Mass & Speed Index (0–100)
⚖️ Mass Index (Blue Whale ~190 t = 100, log scale)73

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

#큰바다사자#Eumetopias jubatus

📖 1. Overview

The Steller Sea Lion is a large sea lion living in the cold waters of the North Pacific.

🦴 2. Anatomy & Morphology

Males measure 3–3.4 m long and weigh up to 1,120 kg, while females measure 2.3–2.9 m long and weigh up to 350 kg.

🔍 3. Ecology & Behavior

An opportunistic carnivore, it eats pollock, mackerel, salmon, and cod as well as octopuses, squid, and bivalves. Dominant males mate with up to 30 females in a season, and females give birth to one pup each year.

🇰🇷 4. Connection to Korea

It is designated as Class II endangered wildlife (Korea) on the National List of Species of Korea.

📚 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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