New 🐟 2024 Mercury Safety Guide Now Available. Omega-3 Rankings Updated. View Omega-3 Rankings →

💧 Freshwater Least Concern 🍽️ Edible 🌡️ Tropical

Dwarf rasbora

Boraras maculatus Duncker, 1904
Max Length
2.5 cm
Max Weight
Lifespan
Trophic Level
3.3
Depth
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
Depth Zone

📖 Overview

Inhabits quiet forest streams with slow-flowing acidic water . Feeds on worms and small crustaceans . One of the world's smallest cyprinid species.

Scientific Name
Boraras maculatus
Authority
Duncker, 1904
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
2.5 cm
Trophic Level
3.3
Resilience
High
Vulnerability
10.00/100
Water Temp
24–26 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Dwarf rasbora is currently being compiled.

🌀 Behaviour

Behavioural data for Dwarf rasbora is currently being reviewed.

🦐 Diet

Diet information for Dwarf rasbora is currently being compiled.

🥚 Reproduction

The water where spawning occurs has a maximum depth of 15cm and thick vegetation.

🌍 Habitat & Distribution

Freshwater; benthopelagic; pH range: 5.0 - 6.0; dH range: 5 - 12. Tropical; 24°C - 26°C

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.4
Food Items

worms and small crustaceans (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00891 × L3.02 (TL)
Max TL
2.5cm

🌡️ Water Parameters & Tolerance

Temperature Range
24–26°C
pH Range
5–6
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Tropical
Described By
Duncker, 1904

🍽️ Edibility & Flavour

"Dwarf rasbora 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 Dwarf rasbora is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Dwarf rasbora 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

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet — be the first to log one!

View all observations for Dwarf rasbora ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.