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🌊 Marine 🍽️ Edible 🌡️ Deep-water

Japanese sandfish

Arctoscopus japonicus Steindachner, 1881
Max Length
30 cm
Max Weight
Lifespan
6 yrs
Trophic Level
3.5
Depth
0–550 m
Climate
Deep-water
Resilience
Medium
Vulnerability
31.00/100
Typical Length
14 cm
Depth Zone
deep-water

📖 Overview

Japanese sandfish (Arctoscopus japonicus) is a ray-finned fish of the family Trichodontidae. It inhabits marine (saltwater) waters in deep-water environments. This species can reach a maximum total length of 30 cm. It occurs at depths between 0 and 550 metres. With a trophic level of 3.5, it is a low-level carnivore, feeding on invertebrates and small organisms. Commercially fished and consumed as food.

Scientific Name
Arctoscopus japonicus
Authority
Steindachner, 1881
Habitat
Marine
Climate
Deep-water
Max Length
30 cm
Lifespan
6 years
Depth Range
0–550 m
Trophic Level
3.5
Resilience
Medium
Vulnerability
31.00/100
Salinity
30–40 ppt

🐟 Physical Description

Physical description for Japanese sandfish is currently being compiled.

🌀 Behaviour

Behavioural data for Japanese sandfish is currently being reviewed.

🦐 Diet

Diet information for Japanese sandfish is currently being compiled.

🥚 Reproduction

Size at Maturity
16.8cm TL

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 0 - 550 m . Deep-water; 67°N - 32°N North Pacific: Aleutian Islands (one record) to Okhotsk and Japan seas.

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water
Trophic Level
3.5±0.53

📐 Morphometrics

Length–Weight Relationship: W = 0.01047 × L3.02 (TL)
Max TL
30cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
31.00/100
Low vulnerability
Trophic Level
3.5
Predator
Climate Zone
Deep-water
Described By
Steindachner, 1881

🍽️ Edibility & Flavour

"Japanese sandfish is an edible species."

✗ Not for Raw
✓ Fresh Indicators
  • Clear, bright eyes — cloudy eyes indicate age
  • Firm flesh that springs back when pressed
  • Fresh ocean smell, never strong or ammonia-like
  • Bright red or pink gills, not grey or brown
  • Shiny, moist skin with scales tightly attached
✗ Avoid If
  • Cloudy or sunken eyes
  • Strong fishy or ammonia odour
  • Soft, mushy flesh that doesn't spring back
  • Discoloured or dry flesh
Best Cooking Methods
Baking Grilling Pan-frying

Nutrition

Per 100g cooked — Source: USDA FoodData Central

Nutrient Amount
Protein 17.8 g
Omega-3 (total) 422 mg

🔬 Mercury Safety

Mercury data for Japanese sandfish 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

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Arctoscopus japonicus hachirogatensis Hatai 1955 Synonym
Trichodon japonicus Steindachner 1881 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
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View all observations for Japanese sandfish ↗
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