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💧 Freshwater Least Concern 🐠 Aquarium 🌡️ Tropical

Waigeo rainbowfish

Melanotaenia catherinae de Beaufort, 1910
Max Length
7.5 cm
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
33.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Waigeo rainbowfish (Melanotaenia catherinae) is a ray-finned fish of the family Melanotaeniidae. It inhabits freshwater waters. This species can reach a maximum total length of 7.5 cm. With a trophic level of 2.9, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Melanotaenia catherinae
Authority
de Beaufort, 1910
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
7.5 cm
Trophic Level
2.9
Resilience
Medium
Vulnerability
33.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 6 - 7; Dorsal soft rays (total): 11 - 13; Anal spines: 1; Anal soft rays: 19 - 21. : fusiform / normal.

🌀 Behaviour

Behavioural data for Waigeo rainbowfish is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

Distinct pairing .

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical; 0° - 1°S northwest of Irian Jaya, Indonesia).

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.9±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01122 × L3.04 (TL)
Max TL
7.5cm
Dorsal Spines
7
Dorsal Rays
12
Anal Spines
1
Anal Rays
20

🌡️ 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
33.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
de Beaufort, 1910

👥 Community & Contribute

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