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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Subtropical

Japanese Dark Chub

Nipponocypris sieboldii Temminck & Schlegel, 1846
Max Length
12.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Subtropical
Resilience
Medium
Vulnerability
25.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Japanese Dark Chub (Nipponocypris sieboldii) is a ray-finned fish of the family Cyprinidae. It inhabits freshwater waters. This species can reach a maximum total length of 12.5 cm. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Nipponocypris sieboldii
Authority
Temminck & Schlegel, 1846
Habitat
Freshwater
Climate
Subtropical
IUCN Status
LC
Max Length
12.5 cm
Trophic Level
3.2
Resilience
Medium
Vulnerability
25.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Japanese Dark Chub is currently being compiled.

🌀 Behaviour

Behavioural data for Japanese Dark Chub is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Subtropical endemic to Japan.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00851 × L3.09 (TL)
Max TL
12.5cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
25.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Subtropical
Described By
Temminck & Schlegel, 1846

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Japanese Dark Chub
🇯🇵Japanese Numamutsu · ヌマムツ

Scientific Synonyms

Scientific Name Author Year Status
? sieboldi Temminck & Schlegel 1846 Synonym
Leuciscus sieboldii Temminck & Schlegel 1846 Synonym
Opsariichthys sieboldi Temminck & Schlegel 1846 Synonym
Zacco mitsukurii Ishikawa 1904 Synonym
Zacco sieboldi Temminck & Schlegel 1846 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

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