Doubleband surgeonfish
📖 Overview
Inhabits lagoon and seaward reefs, 1 to over 20 m depth . Also found in slopes from silty inshore to outer reefs . Solitary or in groups . Sometimes occurs in small shoals. Grazes on benthic algae .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 9; Dorsal soft rays (total): 23 - 24; Anal spines: 3; Anal soft rays: 22 - 23. Brown in color, specimens up to 12 cm SL with black horseshoe mark on shoulder region breaking into 2 horizontal curved bands in larger specimens; caudal spine surrounded by a black area which is then surrounded by a bluish white area; caudal fin with a white posterior border . : short and / or deep; Cross section: compressed.
🌀 Behaviour
Behavioural data for Doubleband surgeonfish is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; reef-associated; depth range 1 - 40 m , usually 3 - 25 m . Tropical; 24°C - 28°C ; 21°N - 30°S, 30°E - 116°E East Africa to Sri Lanka and the Lesser Sunda Islands of southern Indonesia.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Doubleband surgeonfish is an edible species."
- 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
- Cloudy or sunken eyes
- Strong fishy or ammonia odour
- Soft, mushy flesh that doesn't spring back
- Discoloured or dry flesh
⚡ Nutrition
Per 100g cooked - Source: USDA FoodData Central
| Nutrient | Amount |
|---|---|
| Protein | 18.2 g |
| Omega-3 (total) | 103 mg |
🔬 Mercury Safety
Mercury data for Doubleband surgeonfish has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🔬 Full Nutritional Profile
Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (generic fish average)
📊 Population Dynamics
| Year | Region | Index | Notes |
|---|---|---|---|
| - | - | - |
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Acanthurus bicommatus | Smith | 1956 | Synonym |
| Acanthurus plagiatus | Peters | 1876 | Synonym |
🦠 Common Diseases
The following diseases are known to affect Doubleband surgeonfish.
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .
👥 Community & Contribute
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