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💧 Freshwater Least Concern 🍽️ Edible 🌡️ Tropical

One-stripe spinyeel

Macrognathus aral Bloch & Schneider, 1801
Max Length
63.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
39.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Occurs in running and stagnant waters . Found in fresh and brackish waters and deltas of large rivers, common in ponds and slow flowing rivers with vegetation in plains . Inhabits still waters with silt or mud substrate. Believed to be common in rice paddy fields. Nocturnal feeder, on insects and worms.

Scientific Name
Macrognathus aral
Authority
Bloch & Schneider, 1801
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
63.5 cm
Trophic Level
3.1
Resilience
Medium
Vulnerability
39.00/100

🐟 Physical Description

Dorsal spines (total): 16 - 23; Dorsal soft rays (total): 44 - 45. Caudal fin rays 15 and caudal fin distinctly separated from dorsal and anal fins .

🌀 Behaviour

Behavioural data for One-stripe spinyeel is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

Spawn Location
Demersal
Size at Maturity
16cm TL
Egg Diameter
1.3mm

Deposits eggs on algal masses. Eggs hatch in 1-2 days. Demersal eggs are pale green and 1.3 mm in diameter .

🌍 Habitat & Distribution

Freshwater; brackish; benthopelagic. Tropical; 10°N - 4°N

🌿 Ecology

Zone Preferences
💧 Freshwater 🌿 Brackish
Trophic Level
3.1±0.33
🌙 Nocturnal

📐 Morphometrics

Length–Weight Relationship: W = 0.00339 × L2.97 (TL)
Max TL
63.5cm
Dorsal Spines
20
Dorsal Rays
45

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
39.00/100
Moderate vulnerability
Trophic Level
3.1
Predator
Climate Zone
Tropical
Described By
Bloch & Schneider, 1801

🍽️ Edibility & Flavour

"Macrognathus Aral 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 One-stripe spinyeel is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for One-stripe spinyeel 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
- - -

👥 Community & Contribute

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