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

🧬 Biological Classification (Kingdom to Species)Neophocaena asiaeorientalis

Kingdom

Animalia

Phylum

Chordata

Class

Mammalia

Order

Artiodactyla

Family

Phocoenidae

Genus

Neophocaena

Species

Neophocaena asiaeorientalis

Mammalia🌊 Marine predator / filter feeder

Yangtze Finless Porpoise

Neophocaena asiaeorientalis (Yangtze Finless Porpoise · ヨウスコウスナメリ)

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

DDData Deficient

LCLeast Concern

NTNear Threatened

VUVulnerable

ENEndangered

CRCritically End.

EWExtinct in Wild

EXExtinct

🇰🇷 Marine Protected Species (Korea)

Geological Era

Extant

Diet

Marine predator / filter feeder

Length · Height

1.9m · No data

Mass · Top Speed

No data · No data

Habitat & Fossil Locality

Warm coastal waters of the Indo-Pacific from northern Japan to the Persian Gulf, and major Asian rivers including the Yangtze River

💡 Everyday Comparisons for Size, Mass & Speed

💡 A body length of about 1.9 m is slightly longer than a 1.7 m adult human (Comparison).
💡 It is a protected marine species that can be encountered throughout Korean waters.

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.

#양쯔강상괭이#Neophocaena asiaeorientalis

📖 1. Overview

The Yangtze Finless Porpoise is a small porpoise lacking a dorsal fin that lives in Indo-Pacific coastal waters and large rivers such as the Yangtze River.

🦴 2. Anatomy & Morphology

It lacks both a dorsal fin and a beak, having a rounded forehead and a very flexible neck. Its body is gray, while individuals in the Yangtze River population are nearly black, and it has 13–22 pairs of teeth in the upper and lower jaws.

🔍 3. Ecology & Behavior

It eats small fish, shrimp, and squid, and occasionally plant matter. It usually travels alone or in pairs, sometimes gathering in groups of up to about twelve, and mothers have been observed carrying calves on the small tuberculated ridge on their backs.

🇰🇷 4. Connection to Korea

It is listed as "Sanggwaengi" (Korean name) in the National List of Species of Korea and is a protected marine species recorded throughout Korean waters.