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💧 Freshwater Least Concern 🍽️ Edible 🌡️ Tropical

Mormyrids

Mormyrus rume Valenciennes, 1847
Max Length
100 cm
Max Weight
5.3 kg
Lifespan
6 yrs
Trophic Level
2.5
Depth
Climate
Tropical
Resilience
Low
Vulnerability
63.00/100
Typical Length
Depth Zone
demersal

📖 Overview

Affinities: look-alike of M. subundulatus and M. tapirus. Feeds on insects and larvae. Generates electric organ discharge (EOD) of long duration that seems to correlate with territorial behavior of the species.

Scientific Name
Mormyrus rume
Authority
Valenciennes, 1847
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
100 cm
Max Weight
5.3 kg
Lifespan
6 years
Trophic Level
2.5
Resilience
Low
Vulnerability
63.00/100
Migration
Potamodromous
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 72 - 95; Anal spines: 0; Anal soft rays: 16 - 21. Anal fin base 4.6-6.5x that of dorsal fin; 20-26 scales on caudal peduncle; body height 3.5-6.1x SL; height of caudal peduncle 1.3-3.0x of its length.: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Mormyrids is currently being reviewed.

🦐 Diet

Diet information for Mormyrids is currently being compiled.

🥚 Reproduction

Reproduction data for Mormyrids is currently being compiled.

🌍 Habitat & Distribution

Freshwater; demersal; potamodromous . Tropical West Africa and Chad System; Mormyrus rume proboscirostris: middle and upper Congo River.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Migration
Potamodromous
Trophic Level
2.5±0.86
Food Items

insects and larvae (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00933 × L2.84 (TL)
Max TL
100cm
Max Weight
5,300g
Dorsal Rays
84
Anal Rays
19

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
63.00/100
High vulnerability
Trophic Level
2.5
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Valenciennes, 1847

🍽️ Edibility & Flavour

"Mormyrids 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 18.4 g
Omega-3 (total) 452 mg

🔬 Mercury Safety

Mercury data for Mormyrids 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 Senegal mormyrid
🌍CES rypoun rume
🇷🇺Russian Мормир-руме

Scientific Synonyms

Scientific Name Author Year Status
Mormyrops bozai Pellegrin 1903 Synonym
Mormyrops bozasi Pellegrin 1903 Synonym
Mormyrus bozae Pellegrin 1903 Synonym
Mormyrus bozasi Pellegrin 1903 Synonym
Mormyrus jubelini Valenciennes 1847 Synonym
Mormyrus proboscirostris Boulenger 1898 Synonym
Mormyrus rume proboscirostris Boulenger 1898 Synonym
Mormyrus rume rume Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 109 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Mormyrids ↗
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