New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

💧 Freshwater Endangered 🌡️ Subtropical

Taiwan ku fish

Onychostoma alticorpus Oshima, 1920
Max Length
50 cm
Max Weight
Lifespan
Trophic Level
2.6
Depth
0–10 m
Climate
Subtropical
Resilience
Low
Vulnerability
55.00/100
Typical Length
25 cm
Depth Zone

📖 Overview

Taiwan ku fish (Onychostoma alticorpus) is a ray-finned fish of the family Cyprinidae. It inhabits freshwater waters. This species can reach a maximum total length of 50 cm. It occurs at depths between 0 and 10 metres. With a trophic level of 2.6, it is an omnivore, consuming both plant and animal matter. It is assessed as Endangered on the IUCN Red List.

Scientific Name
Onychostoma alticorpus
Authority
Oshima, 1920
Habitat
Freshwater
Climate
Subtropical
Body Shape
Short and / or deep
IUCN Status
EN
Max Length
50 cm
Depth Range
0–10 m
Trophic Level
2.6
Resilience
Low
Vulnerability
55.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Head short and top of head convex; snout short and conical; eyes small and interorbital space wide. Dorsal fin without spine, origin of it nearer to tip of snout and opposite ahead of origin of ventral fin; base of anal fin short and its outer margin truncated.: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Taiwan ku fish is currently being reviewed.

🦐 Diet

Diet information for Taiwan ku fish is currently being compiled.

🥚 Reproduction

Reproduction data for Taiwan ku fish is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic; depth range 0 - 10 m. Subtropical; 25°N - 23°N

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.6±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.01995 × L3.01 (TL)
Max TL
50cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
1996

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
55.00/100
Moderate-High vulnerability
Trophic Level
2.6
Omnivore / Planktivore
Body Shape
Short and / or deep
Climate Zone
Subtropical
Described By
Oshima, 1920

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Taiwan Ku Fish
🌍CES chramule vysokotělá
🇯🇵Japanese セイタカクチマガリ
🇨🇳Chinese 赦鮸 · 高身白甲魚 · 高身鏟頜魚 · 高身鯝魚 · 高體白甲魚 · 鮸仔

Scientific Synonyms

Scientific Name Author Year Status
Onychostoma alticorps Oshima 1920 Synonym
Scaphesthes alticorpus Oshima 1920 Synonym
Scaphiodontella alticorpus Oshima 1920 Synonym
Varicorhinus alticorpus Oshima 1920 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet — be the first to log one!

View all observations for Taiwan ku fish ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.