Animal ID
/Natural History/Animal Life Cycle & Growth
Explore Taxon:
Reptilian Egg-Laying Ontogeny

King Cobra
Ophiophagus hannah

Explore the complete life journey from birth to maximum documented longevity. Move the interactive age slider below to see real-time biometric growth ranges, developmental milestones, metabolic changes, and ontogenetic stages.

Avg Wild Lifespan
20 Years
Typical in habitat
Max Documented
30 Years
Record longevity
Peak Daily Gain
Rapid length increase
Growth velocity
Aging Pattern
Gradual Aging
Senescence curve
King Cobra
Taxonomic Hierarchy
Squamata / Elapidae
1

Interactive Lifespan & Growth Scrubber

Drag the slider or click any milestone step to observe dynamic biometrics and physiological changes.

🐣
Active Life Stage
Hatchling
🐣 Birth / Day 0Selected Age: Hatch👑 Full Maturity & Maximum Longevity
Total LengthRange
40 – 60 cm
Peer-reviewed anatomical bounds for this developmental bracket.
Body Mass RangeEstimated
20 – 40 g
Velocity: Fast early length
Reproductive Maturity0%
Juvenile pre-pubescent phase
Predation Vulnerability
High
Survival probability relative to adult predation apex status.
🌿Dietary Intake & Nutrition at Hatch

Small snakes/lizards.

🐾Behavior, Locomotion & Ecology

Alert; hoods when threatened.

Key Developmental Milestones at this Stage:
Leaves nest
Venomous from hatch
Scientific Note on Precision: Growth values are approximate biological ranges derived from field and veterinary records. Exact size varies by sex, population genetics, nutritional availability, climate, and health.
2

Taxon-Specific Life Stage Machine

How King Cobra progresses through distinct morphological phases.

🥚
Stage 1

Guarded Nest Eggs

60–90 days

Female builds a leaf/vegetation nest and guards eggs until hatch.

Anatomical Highlights:
  • •Developing hood musculature
  • •Elapid fangs forming
Ecology: Rare snake parental nest guarding.
🐍
Stage 2

Hatchling

0–2 years

Venomous from hatch; feeds on small snakes and lizards.

Anatomical Highlights:
  • •Banded juvenile pattern
  • •Expandable hood
Ecology: Snake-eating specialist in training.
👑
Stage 3

Adult

5–25+ years

Longest venomous snake; primarily ophiophagous.

Anatomical Highlights:
  • •Great length
  • •Hood
  • •Large venom yield
Ecology: Apex snake predator of Asian forests.
3

Growth Timeline Reference Matrix

Standardized peer-reviewed biometric development data.

Age MilestoneLife StageTotal Length RangeBody Mass RangeMaturityDietary Regime
🐣HatchHatchling40–60 cm20–40 g0%Small snakes/lizards.
👑5 YearsAdult250–350 cm4–7 kg90%Primarily other snakes.
Growth Velocity Profile
Peak Expansion: First 5 years
Proportion at Birth: Hatchlings are a fraction of 3–4 m adults
Sexual Dimorphism & Human Scale
Male vs. Female: Males often longer.
Scale: Can exceed 3–4 meters
Developmental Breakthroughs

Key Milestones in the Life of a King Cobra

👑4–6 Years

Maturity

King cobras mature after several years of rapid length growth.

Frequently Asked Questions About King Cobra Life History

Scientific answers to high-intent queries regarding lifespan and growth.

Yes — females build and guard nests, unusual among snakes.

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