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🌊 Marine Least Concern 🍽️ Edible 🎣 Game Fish 🌡️ Subtropical

Blue hottentot

Pachymetopon aeneum Gilchrist & Thompson, 1908
Max Length
55 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
20–50 m
Climate
Subtropical
Resilience
Low
Vulnerability
38.00/100
Typical Length
30 cm
Depth Zone
demersal

📖 Overview

Found on rocky substrate. Feeds on benthic organisms like worms, ascidians, crustaceans, mollusks and algae . Rarely caught by shore anglers. Esteemed food fish. Sold fresh in markets.

Scientific Name
Pachymetopon aeneum
Authority
Gilchrist & Thompson, 1908
Habitat
Marine
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
55 cm
Depth Range
20–50 m
Trophic Level
3.2
Resilience
Low
Vulnerability
38.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 10 - 11; Dorsal soft rays (total): 11 - 13; Anal spines: 3; Anal soft rays: 10. Head cobalt blue, body blue-streaked bronzy-yellow.: fusiform / normal.

🌀 Behaviour

Behavioural data for Blue hottentot is currently being reviewed.

🦐 Diet

Diet information for Blue hottentot is currently being compiled.

🥚 Reproduction

Size at Maturity
25cm TL

Also Ref. 28504.

🌍 Habitat & Distribution

Marine; demersal; depth range 20 - 50 m. Subtropical; 28°S - 34°S South Africa.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.2±0.48
Food Items

benthic organisms like worms, ascidians, crustaceans, mollusks and algae (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01288 × L3.04 (TL)
Max TL
55cm
Dorsal Spines
11
Dorsal Rays
12
Anal Spines
3
Anal Rays
10

🌡️ 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
38.00/100
Moderate vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Gilchrist & Thompson, 1908

🍽️ Edibility & Flavour

Nutrition

Per 100g cooked - Source: USDA FoodData Central

Nutrient Amount
Protein 19.5 g
Omega-3 (total) 322 mg

🔬 Mercury Safety

Mercury data for Blue hottentot 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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