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🧬 Biological Classification (Kingdom to Species)Acipenser sinensis

Kingdom

Animalia

Phylum

Chordata

Class

Actinopteri

Order

Acipenseriformes

Family

Acipenseridae

Genus

Acipenser

Species

Acipenser sinensis

Actinopteri🌊 Marine predator / filter feeder

Chinese sturgeon

Acipenser sinensis (Chinese sturgeon · カラチョウザメ)

🛡️ Conservation Status (IUCN Red List)CR (Critically Endangered)

DDData Deficient

LCLeast Concern

NTNear Threatened

VUVulnerable

ENEndangered

CRCritically End.

EWExtinct in Wild

EXExtinct

Geological Era

Extant

Diet

Marine predator / filter feeder

Length · Height

3.46m · No data

Mass · Top Speed

600kg · No data

Habitat & Fossil Locality

Coastal seas and river estuaries of China and Japan in the Northwest Pacific; an anadromous fish ascending rivers to breed

💡 Everyday Comparisons for Size, Mass & Speed

💡 A maximum length of 3.46 m is about the length of a compact car (comparison). A maximum weight of 600 kg exceeds the weight of eight adult men (about 70 kg each) (comparison).
💡 FishBase notes that it has been used in traditional Chinese medicine, and international trade is monitored under CITES Appendix II.

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)70

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

#철갑상어#Acipenser sinensis

📖 1. Overview

The Chinese sturgeon is a large sturgeon that lives in the sea and ascends rivers to spawn.

🦴 2. Anatomy & Morphology

The body is an elongated cylinder lined with five rows of hard bony scutes. The mouth opens beneath the snout with barbels under the mouth, and the upper lobe of the caudal fin is longer.

🔍 3. Ecology & Behavior

It feeds mainly on benthic (bottom-dwelling) animals at sea and returns to rivers when spawning.

🇰🇷 4. Connection to Korea

It is listed on Korea's National Species List as a species occurring in river estuaries flowing into the Yellow Sea and South Sea, and FishBase also records it as reported from Korea.