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💧 Freshwater Endangered 🌡️ Tropical

Arfak rainbowfish

Melanotaenia arfakensis Allen, 1990
Max Length
8 cm
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
34.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Occurs in streams flowing through rainforest and agricultural (mainly oil palm) lands on a flat, alluvial plain.

Scientific Name
Melanotaenia arfakensis
Authority
Allen, 1990
Habitat
Freshwater
Climate
Tropical
IUCN Status
EN
Max Length
8 cm
Trophic Level
2.9
Resilience
Medium
Vulnerability
34.00/100
Water Temp
24–28 °C
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 5 - 7; Dorsal soft rays (total): 12 - 16; Anal spines: 1; Anal soft rays: 22 - 25.

🌀 Behaviour

Behavioural data for Arfak 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; pH range: 6.5 - 7.5. Tropical; 24°C - 28°C ; 1°S - 2°S

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.9±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
8cm
Dorsal Spines
6
Dorsal Rays
14
Anal Spines
1
Anal Rays
24

🌡️ Water Parameters & Tolerance

Temperature Range
24–28°C
pH Range
6.5–7.5
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
34.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Allen, 1990

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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