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💧 Freshwater Least Concern 🍽️ Edible 🌡️ Tropical

Banded rainbowfish

Melanotaenia trifasciata Rendahl, 1922
Max Length
13 cm
Max Weight
Lifespan
Trophic Level
2.9
Depth
Climate
Tropical
Resilience
Medium
Vulnerability
39.00/100
Typical Length
8 cm
Depth Zone

📖 Overview

Lives mainly in small streams and waterholes in clear to moderately turbid water. Occurs over rocky or gravel bottoms or in well-vegetated areas, frequently around submerged logs and branches. Occurs at temperature and pH ranging from 22°-30° C and 5.2-7.0 respectively. Inhabits small creeks and waterholes in semi-rainforest or open grassland areas. Occasionally abundant in partly stagnant waterholes with leaf litter bottoms during the dry season. Species is easy to maintain and thrives in captivity .

Scientific Name
Melanotaenia trifasciata
Authority
Rendahl, 1922
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
13 cm
Trophic Level
2.9
Resilience
Medium
Vulnerability
39.00/100
Water Temp
25–30 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Banded rainbowfish is currently being compiled.

🌀 Behaviour

Behavioural data for Banded rainbowfish is currently being reviewed.

🦐 Diet

Diet information for Banded rainbowfish is currently being compiled.

🥚 Reproduction

Distinct pairing .

🌍 Habitat & Distribution

Freshwater; benthopelagic; pH range: 7.0 - 8.0; dH range: 9 - 19. Tropical; 25°C - 30°C

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.9±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.01122 × L3.04 (TL)
Max TL
13cm

🌡️ Water Parameters & Tolerance

Temperature Range
25–30°C
pH Range
7–8
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
39.00/100
Moderate vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Rendahl, 1922

🍽️ Edibility & Flavour

"Banded rainbowfish 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 Banded rainbowfish is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Banded rainbowfish 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

Scientific Synonyms

Scientific Name Author Year Status
Rhombosoma trifasciata Rendahl 1922 Synonym

🗺️ 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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