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🌊 Marine Least Concern 🍽️ Edible 🌡️ Tropical

Orange-socket surgeonfish

Acanthurus auranticavus Randall, 1956
Max Length
45 cm
Max Weight
-
Lifespan
30 yrs
Trophic Level
2
Depth
1–20 m
Climate
Tropical
Resilience
Low
Vulnerability
26.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Adults inhabit shallow reefs, both in lagoons and outer reef areas. They frequently move in groups. Juveniles found between soft corals in lagoons at depths of up to 2 m . Adults in groups, often mixed with other similar species .

Scientific Name
Acanthurus auranticavus
Authority
Randall, 1956
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
45 cm
Lifespan
30 years
Depth Range
1–20 m
Latitude
25°S – 20°N
Trophic Level
2
Resilience
Low
Vulnerability
26.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 9; Dorsal soft rays (total): 25 - 26; Anal spines: 3; Anal soft rays: 23 - 24. Color in life dark brown; orange brown from pectoral base downward; caudal spine socket bright orange; orange blotch before and behind pupil; caudal fin base with a white band. Anterior gill rakers 20-23, posterior 24-28. Large caudal spine, 2.2 - 4.4 in head.: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Orange-socket surgeonfish is currently being reviewed.

🦐 Diet

Diet information for Orange-socket surgeonfish is currently being compiled.

🥚 Reproduction

Reproduction data for Orange-socket surgeonfish is currently being compiled.

🌍 Habitat & Distribution

Marine; reef-associated; depth range 1 - 20 m . Tropical; 20°N - 25°S, 35°E - 172°W West Pacific: Seychelles (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
2±0.1

📐 Morphometrics

Length–Weight Relationship: W = 0.02291 × L2.96 (TL)
Max TL
45cm
Dorsal Spines
9
Dorsal Rays
26
Anal Spines
3
Anal Rays
24

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
26.00/100
Low vulnerability
Trophic Level
2
Omnivore / Planktivore
Body Shape
Short and / or deep
Climate Zone
Tropical
Latitude Range
20°N – 25°S
Described By
Randall, 1956

🍽️ Edibility & Flavour

"Acanthurus Auranticavus 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 18.4 g
Omega-3 (total) 93 mg

🔬 Mercury Safety

Mercury data for Orange-socket surgeonfish 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

👥 Community & Contribute

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