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🌊 Marine Least Concern 🍽️ Edible 🌡️ Tropical

Blue devilfish

Assessor macneilli Whitley, 1935
Max Length
6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
2–20 m
Climate
Tropical
Resilience
High
Vulnerability
13.00/100
Typical Length
-
Depth Zone
reef

📖 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
Authority
Whitley, 1935
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
6 cm
Depth Range
2–20 m
Trophic Level
3.4
Resilience
High
Vulnerability
13.00/100
Water Temp
25–30 °C
Salinity
30–40 ppt

🐟 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
Spawn Location
Pelagic
Fertilization
External

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
Trophic Level
3.4±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.01047 × L2.9 (TL)
Max TL
6cm

🌡️ Water Parameters & Tolerance

Temperature Range
25–30°C
Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2022

📊 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
Climate Zone
Tropical
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 .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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