New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Least Concern 🍽️ Edible 🌡️ Tropical

Speckled grouper

Epinephelus magniscuttis Postel, Fourmanoir & Guézé, 1963
Max Length
150 cm
Max Weight
50.0 kg
Lifespan
-
Trophic Level
4.1
Depth
50–300 m
Climate
Tropical
Resilience
Low
Vulnerability
53.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Known only in deep water in the vicinity of coral reefs. Biology unknown. It is an excellent food fish.

Scientific Name
Epinephelus magniscuttis
Authority
Postel, Fourmanoir & Guézé, 1963
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
150 cm
Max Weight
50 kg
Depth Range
50–300 m
Latitude
32°S – 21°N
Trophic Level
4.1
Resilience
Low
Vulnerability
53.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 11; Dorsal soft rays (total): 14 - 15; Anal spines: 3; Anal soft rays: 8. Distinguished by the following characteristics: pale brown body color with small dark brown to greyish green spots unevenly scattered on the dorsolateral parts of the head and body, dorsal and caudal fin; one row of close-set spots running posteriorly from the eye in a distinct line; absence of spots on the body below the level of the pectoral fins or on the anal and paired fins; body depth contained 2.7-3.2 times in SL; head length 2.2-2.4 times in SL; flat to convex interorbital area, dorsal head profile almost straight; angular preopercle, 2-4 distinctly enlarged serrae at angle; slightly convex upper edge of operculum; posterior nostril not much larger than anterior nostril; maxilla reaches below rear half of eye, ventral edge with low step at the distal expansion; 2 rows of teeth on midlateral part of lower jaw, inner teeth larger than outer teeth .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Speckled grouper is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; reef-associated; depth range 50 - 300 m . Tropical; 21°N - 32°S, 30°E - 179°W West Pacific: Natal coast of South Africa, northern Mozambique, Reunion, Mauritius, New Caledonia, Philippines, New Guinea, New Ireland, and Fiji.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
4.1±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.0182 × L3.1 (TL)
Max TL
150cm
Max Weight
50,000g
Dorsal Spines
11
Dorsal Rays
15
Anal Spines
3
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2016

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
53.00/100
Moderate-High vulnerability
Trophic Level
4.1
Apex / Top predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
21°N – 32°S
Described By
Postel, Fourmanoir & Guézé, 1963

🍽️ Edibility & Flavour

"Epinephelus Magniscuttis 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 18.8 g
Omega-3 (total) 125 mg

🔬 Mercury Safety

Mercury data for Speckled grouper 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

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Speckled grouper ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.