🪐 View in 3D Galaxy 📏 View on 3D Scale Stage

🧬 Biological Classification (Kingdom to Species)Liobagrus obesus

Kingdom

Animalia

Phylum

Chordata

Class

Actinopteri

Order

Siluriformes

Family

Amblycipitidae

Genus

Liobagrus

Species

Liobagrus obesus

📏 True-scale comparison (1 m = 1 m) against a 1.75 m humanLength 9.6cm

🔍 Zoomed View — Same scale as a credit card & 2.65cm coin

· Grid units represent actual meters (m); human and animals are drawn to the exact same scale with original silhouette aspect ratios preserved.
· When a size range is recorded (e.g. 1–1.6m), the lower bound is used for scale comparison.
· Bull-head torrent catfish: Drawn using our own body-shape diagram where an open-licensed silhouette was unavailable.
· Human silhouette: PhyloPic — NASA · Public Domain Mark 1.0

• Length vs. 1.75 m human: 0.05× Compare with other species →

Actinopteri🥩 Carnivore

Bull-head torrent catfish

Liobagrus obesus (Bull-head torrent catfish · Bull-head torrent catfish)

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

DDData Deficient

LCLeast Concern

NTNear Threatened

VUVulnerable

ENEndangered

CRCritically End.

EWExtinct in Wild

EXExtinct

🇰🇷 Class I endangered wildlife (Korea)

Geological Era

Extant

Diet

Carnivore

Length · Height

9.6cm · No data

Mass · Top Speed

No data · No data

Habitat & Fossil Locality

Gravelly riffles with gentle currents in the middle Geum River, Ungcheoncheon Stream, Mangyeong River, and Yeongsan River

💡 Everyday Comparisons for Size, Mass & Speed

💡 Its body length of about 9.6 cm is slightly longer than the long side of a credit card (about 8.56 cm) (Comparison).
💡 In Ungcheoncheon Stream it was once presumed extinct, but a small number were confirmed in a narrow stretch just below Boryeong Dam, linking it to environmental news about dam downstream reaches.

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.

#퉁사리#Liobagrus obesus

📖 1. Overview

The bull-head torrent catfish is a small freshwater catfish with an orange body that lives only in rivers such as the Geum, Mangyeong, and Yeongsan Rivers.

🦴 2. Anatomy & Morphology

Its body is elongated and rounded with a flattened head and 4 pairs of barbels around the mouth. The inner edge of the pectoral fin spine has 3–5 serrations, and its eyes are very small.

🔍 3. Ecology & Behavior

It feeds on aquatic insects at night, and in May–June it lays and tends a ball-shaped mass of eggs wrapped in a jelly layer under large stones.

🇰🇷 4. Connection to Korea

It is a Class I endangered wildlife (Korea) species endemic to Korea, living in the Geum, Mangyeong, and Yeongsan Rivers. In Ungcheoncheon Stream it was once thought extinct, but a small number were confirmed below Boryeong Dam.