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🌊 Marine Least Concern 🍽️ Edible 🌡️ Tropical

Guinean striped mojarra

Gerres nigri Günther, 1859
Max Length
20 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
15 cm
Depth Zone
-

📖 Overview

Occurs on littoral mud and sand bottoms to about 60 m depth . Often enters estuaries and coastal lagoons during reproduction . Feeds on fish, shrimps, mollusks, plankton and detritus .

Scientific Name
Gerres nigri
Authority
Günther, 1859
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
20 cm
Latitude
17°S – 18°N
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 9; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 8. Diagnosis: body oblong and compressed; snout pointed, shorter than eye diameter; mouth strongly protrusible; nostrils contiguous, situated at midpoint between eye and snout tip; dorsal fin deeply notched; pectoral fins long, reaching to, or extending beyond anal-fin origin; large cycloid scales; scales of the interocular space not reaching anterior border of eyes; spinous part of dorsal fin greyish, without a black spot at tip . Coloration: back olivaceous-brown, sides silvery, with longitudinal dark bands; young individuals with narrow, dark vertical bars on sides; spinous part of dorsal fin distally greyish, but without a distinct black spot at tip; juveniles with 2 longitudinal series of dark spots on dorsal fin .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Guinean striped mojarra is currently being reviewed.

🦐 Diet

Diet information for Guinean striped mojarra is currently being compiled.

🥚 Reproduction

Size at Maturity
8.8cm TL

🌍 Habitat & Distribution

Marine; brackish; benthopelagic; depth range ? - 60 m . Tropical; 18°N - 17°S, 29°W - 14°E west African coast, from Guinea to Congo (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish
Trophic Level
3.2±0.51
Food Items

fish, shrimps, mollusks, plankton and detritus (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.01047 × L3.07 (TL)
Max TL
20cm
Dorsal Spines
9
Dorsal Rays
10
Anal Spines
3
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2014

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
18°N – 17°S
Described By
Günther, 1859

🍽️ Edibility & Flavour

"Guinean striped mojarra 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 g
Omega-3 (total) 267 mg

🔬 Mercury Safety

Mercury data for Guinean striped mojarra 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

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Guinean Striped Mojarra
🌍CES ostnušíček guinejský
🇫🇷French Friture Rayée
🌍GLV Fatoumata ndingho
🇵🇹Portuguese Peixe-prata
🇪🇸Spanish Mojarra Guineana · Mojarra Plateada
🌍WOL Dabbé · Kamaro

Scientific Synonyms

Scientific Name Author Year Status
Diapterus nigri Günther 1859 Synonym
Gerres octactis Bleeker 1863 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 42 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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