🧬 Biological Classification (Kingdom to Species)Hydrophis cyanocinctus
Kingdom
Animalia
Phylum
Chordata
Class
Reptilia
Order
Squamata
Family
Elapidae
Genus
Hydrophis
Species
Hydrophis cyanocinctus
Annulated Sea Snake (Hydrophis cyanocinctus)📸 Photo

Photo: Public domain · Public domain · Wikimedia Commons Source

Reptilia❔ Diet unknown

Annulated Sea Snake

Hydrophis cyanocinctus (Annulated Sea Snake · マダラウミヘビ)

🛡️ Conservation Status (IUCN Red List)LC (Least Concern)
DDData Deficient
LCLeast Concern
NTNear Threatened
VUVulnerable
ENEndangered
CRCritically End.
EWExtinct in Wild
EXExtinct
Geological Era
Extant
Diet
No data
Length · Height
1.36m · No data
Mass · Top Speed
No data · No data
Habitat & Fossil Locality
Seas of the South China Sea (including Hainan), East China Sea (including Taiwan), Indonesia, New Guinea, and Japan

💡 Everyday Comparisons for Size, Mass & Speed

  • 💡 A body length of 136 cm is roughly waist-high on an adult human (Comparison).
  • 💡 It is a sea snake known to occasionally reach Korean waters when sea temperatures rise in summer (domestic distribution in the 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.

#얼룩바다뱀#Hydrophis cyanocinctus

📖 1. Overview

The Annulated Sea Snake is a sea snake living in the East China Sea, South China Sea, Indonesia, New Guinea, and Japan, whose ecology is scarcely known.

🦴 2. Anatomy & Morphology

Its body is yellowish-brown with 75 bluish-green crossbands on the back and 8 on the tail. Its head is greenish-brown, and its body is long and slender, especially toward the front, though less slender than Meokdaegaribadabaem (a Korean animal name).

🔍 3. Ecology & Behavior

The National List of Species of Korea notes that almost nothing is known about its ecology. When seawater temperatures rise in summer, some individuals are known to move northward.

🇰🇷 4. Connection to Korea

It is listed as "Eollukbadabaem" (Korean name) in the National List of Species of Korea; some individuals are known to move into Korean waters when sea temperatures rise in summer, though specific details are lacking.

📚 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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