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🌊 Marine Least Concern 🍽️ Edible 🎣 Game Fish ⚡ Reports of ciguatera poisoning 🌡️ Subtropical

Unicorn leatherjacket filefish

Aluterus monoceros Linnaeus, 1758
Max Length
76.2 cm
Max Weight
2.7 kg
Lifespan
-
Trophic Level
3.8
Depth
1–80 m
Climate
Subtropical
Resilience
Medium
Vulnerability
48.00/100
Typical Length
40 cm
Depth Zone
reef

📖 Overview

Occasionally in shallow water by steep drop-offs. Solitary or in pairs, occasionally in groups of five or six, at less than 10 m depth. Juveniles are pelagic, seen under floating objects . Benthopelagic . Adults and juveniles are rarely seen near reefs. Juveniles often with large jellies and these may bring them close to reefs and adults may nest on sandflats adjacent to reefs in deep water. At other times, the adults may form large schools under weed-rafts that usually form during the wet season . Feed on benthic organisms .

Scientific Name
Aluterus monoceros
Authority
Linnaeus, 1758
Habitat
Marine
Climate
Subtropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
76.2 cm
Max Weight
2.7 kg
Depth Range
1–80 m
Latitude
39°S – 43°N
Trophic Level
3.8
Resilience
Medium
Vulnerability
48.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 2; Dorsal soft rays (total): 45 - 52; Anal spines: 0; Anal soft rays: 47 - 53. Rudimentary pelvic spine disappears in large specimen . Snout convex in adults . Sandy to grey with small brown spots above; soft dorsal and anal fins pale yellowish to brownish; caudal membrane blackish brown . : short and / or deep.

🌀 Behaviour

Behavioural data for Unicorn leatherjacket filefish is currently being reviewed.

🦐 Diet

Diet information for Unicorn leatherjacket filefish is currently being compiled.

🥚 Reproduction

Distinct pairing .

🌍 Habitat & Distribution

Marine; reef-associated; depth range 1 - 80 m . Subtropical; 43°N - 39°S, 180°W - 180°E west coast of tropical Africa (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.8
🐠 Schooling 🧍 Solitary
Food Items

benthic organisms (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01905 × L2.89 (TL)
Max TL
76.2cm
Max Weight
2,700g
Dorsal Spines
2
Dorsal Rays
49
Anal Rays
50

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2014

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
48.00/100
Moderate-High vulnerability
Trophic Level
3.8
Predator
Body Shape
Short and / or deep
Climate Zone
Subtropical
Latitude Range
43°N – 39°S
Described By
Linnaeus, 1758

🍽️ Edibility & Flavour

"Unicorn leatherjacket filefish 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 19.3 g
Omega-3 (total) 154 mg

🔬 Mercury Safety

Mercury data for Unicorn leatherjacket filefish 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

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 39 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Unicorn leatherjacket filefish ↗
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