Longnose surgeonfish
📖 Overview
Inhabits lagoon and seaward reefs . Benthopelagic . Its small and numerous pharyngeal teeth suggest a diet that consists mainly of filamentous algae .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 4 - 5; Dorsal soft rays (total): 23 - 28; Anal soft rays: 19 - 24. Colour dark brown to nearly black (in life with faint irregular longitudinal bluish lines following scale rows). Snout protruding. Body depth 1.9 to 2.1 times in SL. Lower teeth with 5 denticulations, the central one twice as large as adjacent ones (Ref 9808).: short and / or deep.
🌀 Behaviour
Behavioural data for Longnose surgeonfish is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; reef-associated, usually 8 - 35 m . Tropical; 23°C - 28°C Central Pacific: Line, Marquesas, Society, and Tuamoto islands to Pitcairn Group (Ducie Islands).
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Zebrasoma Rostratum 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 | 18.1 g |
| Omega-3 (total) | 150 mg |
🔬 Mercury Safety
Mercury data for Longnose 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 |
|---|---|---|---|
| - | - | - |
🦠 Common Diseases
The following diseases are known to affect Longnose surgeonfish.
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .
👥 Community & Contribute
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