Bicolored foxface
📖 Overview
Found among hard corals at the faces of drop-offs at reef edges or in deep pools inside reef crests. Juveniles form schools, adults occur in pairs. Feeds on seaweeds .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 13; Dorsal soft rays (total): 10; Anal spines: 7; Anal soft rays: 9; Vertebrae: 23. Color dark purplish brown except pectoral fins, soft portions of dorsal and anal fins, caudal fin, and posterior part of body; demarcation of 2 colors is sharp. Preopercular angle 110°-114°; strong overlapping scales cover cheeks, 9-10 rows deep below center of orbit; midline of thorax fully scaled. Spines stout, pungent and venomous. Snout slightly shorter and less tubular, less concave above the nostrils. Caudal fin slightly incised.: short and / or deep; Cross section: compressed.
🌀 Behaviour
Behavioural data for Bicolored foxface is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; reef-associated, usually 3 - 30 m . Tropical; 24°C - 28°C ; 15°N - 25°S endemic to Fiji, with strays recorded from New Caledonia.
🌿 Ecology
seaweeds (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
⚠️ Venom Profile
- immediate intense pain
- swelling
- erythema
- occasional nausea and weakness
Analgesia; wound care; tetanus prophylaxis; severe cases may require monitoring for systemic effects.
References: Compiled from Bhide (2018), Halstead et al. (1988) and family-specific envenomation literature
🍽️ Edibility & Flavour
"Bicolored foxface 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 | 18.7 g |
| Omega-3 (total) | 116 mg |
🔬 Mercury Safety
Mercury data for Bicolored foxface 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
| Language | Common Names |
|---|---|
| 🇬🇧English | Bicolored foxface |
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Lo uspi | Gawel & Woodland | 1974 | Synonym |
| Siganus uspae | Gawel & Woodland | 1974 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .
👥 Community & Contribute
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