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💧 Freshwater Vulnerable 🌡️ Tropical

aquarium

Melanotaenia synergos Allen & Unmack, 2008
Max Length
6.7 cm
Max Weight
Lifespan
Trophic Level
2.9
Depth
0–3 m
Climate
Tropical
Resilience
Medium
Vulnerability
31.00/100
Typical Length
Depth Zone
pelagic

📖 Overview

Inhabits narrow (to about 15-20 m wide), clear rivers with gradual gradients flowing initially through second growth forest, but entering primary, nearly closed canopy forest after about 1 km upstream from the sea. Collected from deeper pools (to about 2-3 m) over limestone cobble/-gravel bottoms with slow to moderate flow rates; temperature of 25.5° and pH 8.7 .

Scientific Name
Melanotaenia synergos
Authority
Allen & Unmack, 2008
Habitat
Freshwater
Climate
Tropical
IUCN Status
VU
Max Length
6.7 cm
Depth Range
0–3 m
Trophic Level
2.9
Resilience
Medium
Vulnerability
31.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 4 - 6; Dorsal soft rays (total): 11 - 14; Anal spines: 1; Anal soft rays: 19 - 22. This rainbowfish is distinguished by the following set of characters: D IV to VI-I,11-14; A I,19-22; pectoral rays 13 or 14; lateral scales 31-33 (often 33); colour generally brownish on back (blue in life), pale tan or whitish below with blackish (bluish black in life) midlateral stripe from upper edge of preopercle to caudal-fin base, covering about one and a half scale rows for most of its length and more strongly contrasted in males .

🌀 Behaviour

Behavioural data for aquarium is currently being reviewed.

🦐 Diet

Diet information for aquarium is currently being compiled.

🥚 Reproduction

Reproduction data for aquarium is currently being compiled.

🌍 Habitat & Distribution

Freshwater; pelagic; depth range 0 - 3 m . Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
2.9±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01122 × L3.04 (TL)
Max TL
6.7cm
Dorsal Spines
5
Dorsal Rays
13
Anal Spines
1
Anal Rays
21

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
31.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Allen & Unmack, 2008

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