New 🐟 2024 Mercury Safety Guide Now Available. Omega-3 Rankings Updated. View Omega-3 Rankings →

Diadromous 🍽️ Edible 🌡️ Subtropical

South African mullet

Chelon richardsonii Smith, 1846
Max Length
40.5 cm
Max Weight
Lifespan
Trophic Level
2.4
Depth
Climate
Subtropical
Resilience
Medium
Vulnerability
34.00/100
Typical Length
30 cm
Depth Zone
demersal

📖 Overview

Found in coastal waters, mainly off rocky points and sandy beaches; may enter estuaries which serve as nursery areas . Feed mainly on diatoms and detritus, but also on planktonic crustaceans . Oviparous, eggs are pelagic and non-adhesive . A primary target species of the inshore net fishery and much of it is sold salted and dried and known as 'bokkoms'. It is also an important exhibit species in public aquaria in South Africa. It is parasitised by the monogenean Gyrodactylus molweni on the external body surface .

Scientific Name
Chelon richardsonii
Authority
Smith, 1846
Habitat
Diadromous
Climate
Subtropical
Body Shape
Fusiform / normal
Max Length
40.5 cm
Trophic Level
2.4
Resilience
Medium
Vulnerability
34.00/100
Migration
Catadromous
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 5; Dorsal soft rays (total): 8 - 9; Anal spines: 3; Anal soft rays: 9. : fusiform / normal.

🌀 Behaviour

Behavioural data for South African mullet is currently being reviewed.

🦐 Diet

Diet information for South African mullet is currently being compiled.

🥚 Reproduction

Size at Maturity
25cm TL

🌍 Habitat & Distribution

Marine; freshwater; brackish; demersal; catadromous . Subtropical; 16°S - 36°S Southeast Atlantic: South African coastal waters from Walfish Bay to Natal.

🌿 Ecology

Zone Preferences
🌊 Marine 💧 Freshwater 🌿 Brackish ⬇️ Benthic
Migration
Catadromous
Trophic Level
2.4±0.16
Food Items

diatoms and detritus, but also on planktonic crustaceans (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01096 × L2.95 (TL)
Max TL
40.5cm
Dorsal Spines
5
Dorsal Rays
9
Anal Spines
3
Anal Rays
9

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
34.00/100
Low vulnerability
Trophic Level
2.4
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Smith, 1846

🍽️ Edibility & Flavour

"Chelon Richardsonii 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) 681 mg

🔬 Mercury Safety

Mercury data for South African mullet 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

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet — be the first to log one!

View all observations for South African mullet ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.