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🌊 Marine Vulnerable 🍽️ Edible 🌡️ Subtropical

Scotsman seabream

Polysteganus praeorbitalis Günther, 1859
Max Length
90 cm
Max Weight
7.8 kg
Lifespan
-
Trophic Level
4.5
Depth
20–100 m
Climate
Subtropical
Resilience
Very low
Vulnerability
65.00/100
Typical Length
35 cm
Depth Zone
reef

📖 Overview

Occurs in deep offshore reefs ranging from 20 to 100 m. Feeds on large crabs, crayfish, a variety of reef fish and squid. Spawns in winter. Sold fresh .

Scientific Name
Polysteganus praeorbitalis
Authority
Günther, 1859
Habitat
Marine
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
VU
Max Length
90 cm
Max Weight
7.8 kg
Depth Range
20–100 m
Trophic Level
4.5
Resilience
Very low
Vulnerability
65.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 12; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 8. Small eye, deep preorbital, steep forehead .: fusiform / normal.

🌀 Behaviour

Behavioural data for Scotsman seabream is currently being reviewed.

🦐 Diet

Diet information for Scotsman seabream is currently being compiled.

🥚 Reproduction

Reproduction data for Scotsman seabream is currently being compiled.

🌍 Habitat & Distribution

Marine; reef-associated; depth range 20 - 100 m . Subtropical; 17°S - 28°S South Africa.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
4.5±0.8
Food Items

large crabs, crayfish, a variety of reef fish and squid

📐 Morphometrics

Length–Weight Relationship: W = 0.01778 × L3.03 (TL)
Max TL
90cm
Max Weight
7,800g
Dorsal Spines
12
Dorsal Rays
10
Anal Spines
3
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2024

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
65.00/100
High vulnerability
Trophic Level
4.5
Apex / Top predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Günther, 1859

🍽️ Edibility & Flavour

Nutrition

Per 100g cooked - Source: USDA FoodData Central

Nutrient Amount
Protein 20.6 g
Omega-3 (total) 224 mg

🔬 Mercury Safety

Mercury data for Scotsman seabream 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

👥 Community & Contribute

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