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🧬 Biological Classification (Kingdom to Species)Neoceratodus forsteri

Kingdom

Animalia

Phylum

Chordata

Class

Dipnoi

Order

Ceratodontiformes

Family

Neoceratodontidae

Genus

Neoceratodus

Species

Neoceratodus forsteri

Dipnoi🍂 Omnivore

Australian lungfish

Neoceratodus forsteri (Australian lungfish · オーストラリアハイギョ)

🛡️ Conservation Status (IUCN Red List)EN (Endangered)

DDData Deficient

LCLeast Concern

NTNear Threatened

VUVulnerable

ENEndangered

CRCritically End.

EWExtinct in Wild

EXExtinct

Geological Era

Extant

Diet

Omnivore

Length · Height

1.5m · No data

Mass · Top Speed

40kg · No data

Habitat & Fossil Locality

Deep, slow-flowing or standing pools with mud, sand, or gravel bottoms in the Burnett and Mary Rivers of southeastern Queensland, Australia

💡 Everyday Comparisons for Size, Mass & Speed

💡 Its maximum length of 1.5 m is about the height of a tall adult, and 40 kg is similar to the weight of two 20 kg bags of rice (Comparison).
💡 The Australian Museum reports that an individual of this species named 'Granddad' lived for over 80 years at the Shedd Aquarium in Chicago, USA.
💡 In Australia, it is protected by law and cannot be caught without a permit.

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)56

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

#오스트레일리아폐어#Neoceratodus forsteri

📖 1. Overview

The Australian lungfish is a large freshwater fish around 1.5 m long living natively in only two rivers in southeastern Queensland, Australia, capable of breathing with both gills and a lung.

🦴 2. Anatomy & Morphology

Its body is stout and elongated, covered with large overlapping bony scales, and its pectoral and pelvic fins are shaped like flattened flippers. It normally breathes with its gills, but when water quality worsens it can gulp air at the surface using its single lung.

🔍 3. Ecology & Behavior

Active at night, it feeds mainly on frogs, tadpoles, small fish, snails, shrimp, and earthworms, along with a small amount of plant matter. It grows very slowly, reaching 12 cm after 2 years.