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💧 Freshwater Vulnerable 🌡️ Tropical

aquarium

Melanotaenia garylangei Graf, Herder & Hadiaty, 2015
Max Length
7.8 cm
Max Weight
Lifespan
Trophic Level
2.9
Depth
Climate
Tropical
Resilience
Medium
Vulnerability
33.00/100
Typical Length
Depth Zone

📖 Overview

Found in small rainforest creeks. The collection sites have clear and tannin-stained water. The typical habitats were composed of muddy substrate, with only one site consisting of submerged aquatic vegetation (Barclaya sp.) . Undisturbed habitats were partially covered by forest canopy, whereas disturbed sites were exposed to sunlight. Occurs together with Melanotaenia goldiei, Melanotaenia rubrostriata, Pseudomugil sp., and Ambassis agrammus. Prefers shallow (10-20 cm depth) areas usually covered with floating grass. Attains sexual maturity at approximately 2.5 cm SL and age of 6 months based on aquarium observations .

Scientific Name
Melanotaenia garylangei
Authority
Graf, Herder & Hadiaty, 2015
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
VU
Max Length
7.8 cm
Trophic Level
2.9
Resilience
Medium
Vulnerability
33.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 5 - 7; Dorsal soft rays (total): 12 - 15; Anal spines: 1; Anal soft rays: 16 - 20. Melanotaenia garylangei is distinguished by the following combination of characters: dorsal fin rays IV-VI + I,12-15; anal fin rays I,16-20; in life, adult males have a blue nape and an olive green upper side, a midlateral blackish stripe covering two rows of scales of which the line above the upper scale row is regularly broken and the scales are of greenish, 1-2 red stripes above and below the mid-lateral stripe; second dorsal, pectoral, anal and middle portion of caudal fin red; and dorsal and anal fins elongated in males .: elongated.

🌀 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; benthopelagic. Tropical West Papua Province, Indonesia.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.9±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
7.8cm
Dorsal Spines
6
Dorsal Rays
14
Anal Spines
1
Anal Rays
18

🌡️ 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
33.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Body Shape
Elongated
Climate Zone
Tropical
Described By
Graf, Herder & Hadiaty, 2015

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