🧬 Biological Classification (Kingdom to Species)Atractosteus spatula
Kingdom
Animalia
Phylum
Chordata
Class
Actinopteri
Order
Lepisosteiformes
Family
Lepisosteidae
Genus
Atractosteus
Species
Atractosteus spatula
Alligator gar (Atractosteus spatula)📸 Photo

Photo: Greg Hume · CC BY-SA 3.0 · Wikimedia Commons Source

Actinopteri🥩 Carnivore

Alligator gar

Atractosteus spatula (Alligator gar · アリゲーターガー)

🛡️ 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
Carnivore
Length · Height
2.6m · No data
Mass · Top Speed
137kg · No data
Habitat & Fossil Locality
Sluggish pools, backwaters, swamps, bayous, and lakes of the Mississippi River system to the Gulf of Mexico coastal plain in the United States

💡 Everyday Comparisons for Size, Mass & Speed

  • 💡 Its body length of 2.6 m is taller than a doorway, which is about 2 m (Comparison). Its maximum weight of 137 kg is similar to the weight of two adults, at about 140 kg (Comparison).
  • 💡 It is displayed in public aquariums, sold fresh in local markets, and also targeted as a game fish (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.

📊 Mass & Speed Index (0–100)
⚖️ Mass Index (Blue Whale ~190 t = 100, log scale)62

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

#앨리게이터가아#Atractosteus spatula

📖 1. Overview

The Alligator gar is the largest of the gars and lives in large rivers of southern North America.

🦴 2. Anatomy & Morphology

It has a massive body with a broad, short snout; its back is dark olive-brown and its belly is white to yellow. There are dark brown blotches on its fins.

🔍 3. Ecology & Behavior

It eats blue crabs, turtles, waterfowl, and even small mammals. It can breathe air and has been recorded living up to 95 years.

🇰🇷 4. Connection to Korea

No direct record connecting this species to Korea has been found.

📚 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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