Striped silver biddy
📖 Overview
Adults inhabit coastal waters including estuaries. They form schools . They feed on invertebrates . Fry about 10 cm in length enter the estuaries and stay until they reach maturity .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 9; Dorsal soft rays (total): 10 - 11; Anal spines: 3; Anal soft rays: 7. Silvery in color but olive brown above; brown stripes following scale rows above lateral line and the 4 rows below it; spinous dorsal fin with black margins . Squamation pattern on the preopercular flange 5-17 scales .: short and / or deep.
🌀 Behaviour
Behavioural data for Striped silver biddy is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; brackish; benthopelagic. Subtropical; 11°S - 36°S, 24°E - 51°E South Africa; also reported from Madagascar.
🌿 Ecology
invertebrates (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Gerres Methueni 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 | 18.6 g |
| Omega-3 (total) | 282 mg |
🔬 Mercury Safety
Mercury data for Striped silver biddy has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🔬 Full Nutritional Profile
Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (generic fish average)
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Gerres rappi | Barnard | 1927 | Synonym |
| Xystaema rappi | Barnard | 1927 | Synonym |
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .
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