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Diadromous Least Concern 🍽️ Edible 🌡️ Tropical

Four-eyed sleeper

Bostrychus sinensis Lacepède, 1801
Max Length
22 cm
Max Weight
-
Lifespan
-
Trophic Level
4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
18.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Inhabits inshore waters, sometimes entering fresh water . Feeds on crustaceans and small fishes. Marketed fresh .

Scientific Name
Bostrychus sinensis
Authority
Lacepède, 1801
Habitat
Diadromous
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
22 cm
Trophic Level
4
Resilience
High
Vulnerability
18.00/100
Migration
Amphidromous
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Anal spines: 1; Anal soft rays: 8 - 10; Vertebrae: 26 - 27. : elongated.

🌀 Behaviour

Behavioural data for Four-eyed sleeper is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

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

🌍 Habitat & Distribution

Marine; freshwater; brackish; demersal; amphidromous . Tropical found in Japan and China (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Migration
Amphidromous
Trophic Level
4±0.67
Food Items

crustaceans and small fishes

📐 Morphometrics

Length–Weight Relationship: W = 0.00871 × L3.16 (TL)
Max TL
22cm
Anal Spines
1
Anal Rays
9
Vertebrae
27

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
18.00/100
Low vulnerability
Trophic Level
4
Apex / Top predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Lacepède, 1801

🍽️ Edibility & Flavour

"Four-eyed sleeper 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

Detailed nutritional data for Four-eyed sleeper is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Four-eyed sleeper 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
✓ Sustainable Choice

🔬 Full Nutritional Profile

Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (generic fish average)

Proximate Composition
Energy125 kcal
Moisture75 %
Protein20 %
Total Fat4 %
Ash1.3 %
Fatty Acids (g)
Saturated Fat1 g
Monounsaturated Fat1.2 g
Polyunsaturated Fat1.5 g
Omega-3 Total1 g
EPA0.3 g
DHA0.5 g
Omega-6 Total0.3 g
Key Minerals & Vitamins
Calcium20 mg
Iron0.7 mg
Magnesium30 mg
Phosphorus220 mg
Potassium380 mg
Sodium55 mg
Zinc0.5 mg
Selenium32 µg
Vitamin B122 µg

📊 Population Dynamics

Year Region Index Notes
- - -

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Chinese Gudgeon · Four-eyed Sleeper
🇯🇵Japanese Janomehaze · ジャノメハゼ
🇷🇺Russian Китайский бострихт
🌍THA ปลาบู่หางจุด
🇨🇳Chinese 中華烏塘鱧

Scientific Synonyms

Scientific Name Author Year Status
Bostrichthys sinensis Lacepède 1801 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 6 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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