Galjoen
📖 Overview
Found in inshore reefs, rocky and sandy areas. Feeds on mollusks, crustaceans, and other invertebrates . Abundant in winter, breeding occurs in deeper water. Becoming scarce because of overfishing .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 10; Dorsal soft rays (total): 18 - 19; Anal spines: 3; Anal soft rays: 13 - 14. Changes from black to silver almost instantly to blend with environment; occasionally mottled or with 7-9 crossbars .: short and / or deep.
🌀 Behaviour
Behavioural data for Galjoen is currently being reviewed.
🦐 Diet
The species usually feeds on red and coraline seaweed and red bait, small mussels and barnacles found off rocky shores, and appear in particular to be a partial to the white mussels residing in the sandy beaches and inlets of the rocky outcrops along the southern coast.
🥚 Reproduction
🌍 Habitat & Distribution
Marine; reef-associated; depth range 10 - ? m . Subtropical; 12°S - 36°S, 10°E - 34°E Southeast Atlantic to southwestern Indian Ocean: southern Angola to Natal, South Africa.
🌿 Ecology
mollusks, crustaceans, and other invertebrates (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Galjoen is an edible species."
- 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
- Cloudy or sunken eyes
- Strong fishy or ammonia odour
- Soft, mushy flesh that doesn't spring back
- Discoloured or dry flesh
⚡ Nutrition
Per 100g cooked - Source: USDA FoodData Central
| Nutrient | Amount |
|---|---|
| Protein | 19.3 g |
| Omega-3 (total) | 155 mg |
🔬 Mercury Safety
Mercury data for Galjoen has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Coracinus aper | Gronow | 1854 | Synonym |
| Coracinus capensis | Cuvier | 1831 | Synonym |
| Dichistius falcatus | Smith | 1935 | Synonym |
| Dipterodon capensis | Cuvier | 1831 | Synonym |
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 5 records indexed .
👥 Community & Contribute
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