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Diadromous Least Concern 🍽️ Edible 🌡️ Temperate

Pacific redfin

Pseudaspius brandtii Dybowski, 1872
Max Length
50 cm
Max Weight
1.5 kg
Lifespan
10 yrs
Trophic Level
3.4
Depth
-
Climate
Temperate
Resilience
Low
Vulnerability
49.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Adults spawn from May to September. Spent adults descend to sea after spawning. Immature specimens occur in the mouths of rivers the whole year round; the young descend to the sea upon attaining a length of 7-9 cm .

Scientific Name
Pseudaspius brandtii
Authority
Dybowski, 1872
Habitat
Diadromous
Climate
Temperate
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
50 cm
Max Weight
1.5 kg
Lifespan
10 years
Trophic Level
3.4
Resilience
Low
Vulnerability
49.00/100
Migration
Anadromous
Water Temp
10–24 °C
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Pseudaspius
Pseudaspius
Species
Pacific redfin
Pseudaspius brandtii

🐟 Physical Description

: fusiform / normal.

🌀 Behaviour

Behavioural data for Pacific redfin is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Marine; freshwater; brackish; demersal; anadromous . Temperate; 10°C - 24°C ; 56°N - 33°N, 89°E - 148°E Northwest Pacific: Pacific coast from the Shantars to Korea and southward to 34°N, in rivers of Sakhalin and Japan, as well as on the Iturup and Kunashir islands.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Migration
Anadromous
Trophic Level
3.4±0.35

📐 Morphometrics

Length–Weight Relationship: W = 0.00891 × L3.06 (TL)
Max TL
50cm
Max Weight
1,500g

🌡️ Water Parameters & Tolerance

Temperature Range
10–24°C
Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
49.00/100
Moderate-High vulnerability
Trophic Level
3.4
Predator
Body Shape
Fusiform / normal
Climate Zone
Temperate
Described By
Dybowski, 1872

🍽️ Edibility & Flavour

⚡ Nutrition

Detailed nutritional data for Pacific redfin is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Pacific redfin has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.

🌿 Sustainability

Best Choice
Healthy stocks, low impact
Good Alternative
Well-managed, minor concerns
Use Caution
Check sourcing and season
Avoid
Overfished or high impact

📊 Population Dynamics

Year Region Index Notes
- - -

👥 Community & Contribute

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