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💧 Freshwater Least Concern 🍽️ Edible 🌡️ Tropical

Okavango robber

Rhabdalestes maunensis Fowler, 1935
Max Length
8.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Shoals in shallow, vegetated marginal and floodplain habitats. Appears to prefer a swampy environment to open water . Feeds on small aquatic insects and other invertebrates. A partial spawner, breeding during high-water periods . Known to migrate up rivers and on to floodplains during flood season .

Scientific Name
Rhabdalestes maunensis
Authority
Fowler, 1935
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
8.5 cm
Trophic Level
3.3
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 2; Dorsal soft rays (total): 7 - 9; Anal spines: 2 - 3; Anal soft rays: 16 - 19. Can be easily confused with Micralestes acutidens but has a more slender body with no black tip to the dorsal fin. Does not possess a pair of conical teeth behind row of teeth in lower jaw as in M. acutidens.: fusiform / normal.

🌀 Behaviour

Behavioural data for Okavango robber is currently being reviewed.

🦐 Diet

Diet information for Okavango robber is currently being compiled.

🥚 Reproduction

Reproduction data for Okavango robber is currently being compiled.

🌍 Habitat & Distribution

Freshwater; pelagic. Tropical; 11°S - 20°S occurs in the Zambian Congo system (Lakes Bangweulu and Mweru, and Luapula River).

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.3±0.39
Food Items

small aquatic insects and other invertebrates

📐 Morphometrics

Length–Weight Relationship: W = 0.01072 × L3.02 (TL)
Max TL
8.5cm
Dorsal Spines
2
Dorsal Rays
8
Anal Spines
3
Anal Rays
18

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2007

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Fowler, 1935

🍽️ Edibility & Flavour

"Okavango robber 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

Detailed nutritional data for Okavango robber is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Okavango robber 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 Okavango Robber · Slender Robber
🌍AFR Slanke Rower
🌍CES afrotetra maunská
🇷🇺Russian Окавангская тетра

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 10 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Okavango robber ↗
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