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🌊 Marine Least Concern 🍽️ Edible 🌡️ Subtropical

Old woman angelfish

Pomacanthus rhomboides Gilchrist & Thompson, 1908
Max Length
46 cm
Max Weight
3.0 kg
Lifespan
-
Trophic Level
-
Depth
-
Climate
Subtropical
Resilience
Low
Vulnerability
56.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Young occur singly and commonly found in tide pools. Adults are commonly seen in small groups in midwater or near the surface.

Scientific Name
Pomacanthus rhomboides
Authority
Gilchrist & Thompson, 1908
Habitat
Marine
Climate
Subtropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
46 cm
Max Weight
3 kg
Resilience
Low
Vulnerability
56.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 11 - 13; Dorsal soft rays (total): 22 - 25; Anal spines: 3; Anal soft rays: 21 - 23. : short and / or deep.

🌀 Behaviour

Behavioural data for Old woman angelfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; reef-associated. Subtropical; - 34°S South Africa.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated

📐 Morphometrics

Length–Weight Relationship: W = 0.02818 × L2.89 (TL)
Max TL
46cm
Max Weight
3,000g
Dorsal Spines
12
Dorsal Rays
24
Anal Spines
3
Anal Rays
22

🌡️ 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
Body Shape
Short and / or deep
Climate Zone
Subtropical
Described By
Gilchrist & Thompson, 1908

🍽️ Edibility & Flavour

⚡ Nutrition

Per 100g cooked - Source: USDA FoodData Central

Nutrient Amount
Protein 19.1 g
Omega-3 (total) 140 mg

🔬 Mercury Safety

Mercury data for Old woman angelfish 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
- - -

👥 Community & Contribute

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