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🌊 Marine Least Concern 🍽️ Edible 🌡️ Tropical

Singapore parrotfish

Scarus prasiognathos Valenciennes, 1840
Max Length
70 cm
Max Weight
-
Lifespan
-
Trophic Level
2
Depth
1–25 m
Climate
Tropical
Resilience
Low
Vulnerability
56.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Found in seaward slopes and reef flats . Usually associated with outer reefs but will enter shallow water in protected areas. Often in large schools . Grazes on benthic algae . Also caught with nets and other types of artisanal gear . Minimum depth of 1 m reported from Ref. 30874.

Scientific Name
Scarus prasiognathos
Authority
Valenciennes, 1840
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
70 cm
Depth Range
1–25 m
Latitude
13°S – 30°N
Trophic Level
2
Resilience
Low
Vulnerability
56.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 9; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 9. Scales large. Median predorsal scales 6; 3 scale rows on cheek, with 1-3 scales in ventral row. Caudal fins emarginate in initial phase to deeply concave in large terminal phase. Lips nearly covering dental plates; terminal males with 0-2 canines posteriorly on side of upper plate, none on lower. The initial phase closely resembles that of S. altipinnis . The terminal phase has the distinctive brilliant green throat and lacks the filamentous middle dorsal spine .: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Singapore parrotfish is currently being reviewed.

🦐 Diet

algae
aquatic plants
detritus

🥚 Reproduction

🐣 Oviparous

Oviparous, distinct pairing during breeding .

🌍 Habitat & Distribution

Marine; reef-associated; depth range 1 - 25 m . Tropical; 30°N - 13°S West Pacific: Maldives to New Ireland in Papua New Guinea, including Cocos-Keeling Islands, north to Ryukyu Islands and south to the Philippines, including Palau.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
2
🐠 Schooling

📐 Morphometrics

Length–Weight Relationship: W = 0.01122 × L3.06 (TL)
Max TL
70cm
Dorsal Spines
9
Dorsal Rays
10
Anal Spines
3
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
56.00/100
High vulnerability
Trophic Level
2
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Latitude Range
30°N – 13°S
Described By
Valenciennes, 1840

🍽️ Edibility & Flavour

"Singapore parrotfish 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 18.2 g
Omega-3 (total) 50 mg

🔬 Mercury Safety

Mercury data for Singapore parrotfish 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

🔬 Full Nutritional Profile

Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (generic fish average)

Proximate Composition
Energy125 kcal
Moisture75 %
Protein20 %
Total Fat4 %
Ash1.3 %
Fatty Acids (g)
Saturated Fat1 g
Monounsaturated Fat1.2 g
Polyunsaturated Fat1.5 g
Omega-3 Total1 g
EPA0.3 g
DHA0.5 g
Omega-6 Total0.3 g
Key Minerals & Vitamins
Calcium20 mg
Iron0.7 mg
Magnesium30 mg
Phosphorus220 mg
Potassium380 mg
Sodium55 mg
Zinc0.5 mg
Selenium32 µg
Vitamin B122 µg

📊 Population Dynamics

Year Region Index Notes
- - -

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Blue-faced Parrotfish · Dusky Parrotfish · Green-face Parrotfish · Greenthroat Parrotfish · Ocean Parrotfish · Singapore parrotfish
🇩🇰Danish Grønstrubet Papegøjefisk
🇫🇷French Perroquet · Perroquet océan · Perroquet à Bec Vert · Perroquet étaubone · Perroquet, Perroquet à bec vert · Poisson-perroquet à Menton Bleu
🇯🇵Japanese Nishikibudai · ニシキブダイ
🇪🇸Spanish Loro Etobón
🇨🇳Chinese 綠頜鸚哥魚 · 綠頜鸚嘴魚 · 绿颌鹦嘴鱼 · 蠔魚(雌) · 青衫(雄) · 鸚哥

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 8 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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