📖 Overview
Adults are found in lagoon and seaward reefs, aggregate in caves, often upside down. Males incubate the eggs mass in their mouth . Minimum depth reported from Ref. 27115. Breeding in the aquarium is possible .
Scientific Name
Assessor macneilli
Body Shape
Fusiform / normal
🐟 Physical Description
: fusiform / normal.
🌀 Behaviour
Behavioural data for Blue devilfish is currently being
reviewed.
🦐 Diet
aquatic invertebrates
small fish
algae
detritus
🥚 Reproduction
🐣 Oviparous
📦 Batch Spawner
Spawning Season
spring-summer
Eggs are guarded by the male parent , in his mouth for 15-16 days ..
🌍 Habitat & Distribution
Marine; reef-associated; depth range 2 - 20 m , usually 2 - 15 m . Tropical; 25°C - 30°C
🌿 Ecology
Zone Preferences
🌊 Marine
🪸 Reef Associated
📐 Morphometrics
Length–Weight Relationship:
W = 0.01047 × L2.9
(TL)
🌡️ Water Parameters & Tolerance
Temperature Range
25–30°C
🛡️ Conservation Assessment
IUCN Category
Least Concern
📊 Population Risk & Fisheries
Population Resilience
High
Minimum doubling time
Fishing Vulnerability
13.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Fusiform / normal
Described By
Whitley, 1935
🍽️ Edibility & Flavour
"Blue devilfish 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 |
18.9 g |
| Omega-3 (total) |
176 mg
|
🔬 Mercury Safety
Mercury data for Blue devilfish 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 |
| - |
- |
- |
|
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed
.