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💧 Freshwater Least Concern 🌡️ Temperate

Crimsonspotted rainbowfish

Melanotaenia duboulayi Castelnau, 1878
Max Length
11 cm
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
-
Climate
Temperate
Resilience
Medium
Vulnerability
38.00/100
Typical Length
8 cm
Depth Zone
-

📖 Overview

Found in rivers, creeks, drains, ponds, dune lakes and reservoirs. Usually occurs in still or slow-flowing conditions near the surface or around vegetation, log snags, or other debris. Occurs in both sandy coastal habitats and forested areas farther inland. Water conditions vary from very soft and acidic (coastal) to relatively alkaline (inland). The pH and temperature ranges are 5.4-7.8 and 16°-28°C, respectively . Omnivore . A popular aquarium fish which readily breeds in captivity. Life span in the wild is probably 3-4 years .

Scientific Name
Melanotaenia duboulayi
Authority
Castelnau, 1878
Habitat
Freshwater
Climate
Temperate
IUCN Status
LC
Max Length
11 cm
Trophic Level
2.9
Resilience
Medium
Vulnerability
38.00/100
Migration
Potamodromous
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Crimsonspotted rainbowfish is currently being compiled.

🌀 Behaviour

Behavioural data for Crimsonspotted rainbowfish is currently being reviewed.

🦐 Diet

Diet information for Crimsonspotted rainbowfish is currently being compiled.

🥚 Reproduction

Distinct pairing .

🌍 Habitat & Distribution

Freshwater; benthopelagic; potamodromous . Temperate endemic to Australia.

🌿 Ecology

Zone Preferences
💧 Freshwater
Migration
Potamodromous
Feeding Mode
Omnivore
Trophic Level
2.9±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01122 × L3.04 (TL)
Max TL
11cm

🌡️ Water Parameters & Tolerance

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
38.00/100
Moderate vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Climate Zone
Temperate
Described By
Castelnau, 1878

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Atherinichthys duboulayi Castelnau 1878 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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