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💧 Freshwater Endangered 🌡️ Tropical

aquarium

Melanotaenia arguni Kadarusman, Hadiaty & Pouyaud, 2012
Max Length
7.3 cm
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
32.00/100
Typical Length
-
Depth Zone
-

📖 Overview

The type locality, Jasu Creek in Egerwara village, is a stream characterized by less than 5 m width. Habitats in the vicinity of the type locality include shallow and slow flowing water over sandy substrate in secondary forest and cocoa plantations .

Scientific Name
Melanotaenia arguni
Authority
Kadarusman, Hadiaty & Pouyaud, 2012
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
EN
Max Length
7.3 cm
Trophic Level
2.9
Resilience
Medium
Vulnerability
32.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 4 - 5; Dorsal soft rays (total): 12 - 16; Anal spines: 1; Anal soft rays: 20 - 24. Differs from other species of the genus Melanotaenia in the Bomberai Peninsula and Bird’s Neck region by the combination of the following characters: dorsal rays IV to V-I,12 to 16; anal rays I,20-24; lateral scales 34-37; transverse scales 10-11; predorsal scales 16-18; cheek scales 14-20; gillrakers 17-18; a short snout length, 8.3-9.1% of SL; a thin interorbital width, 8.3-9.0% of SL; a small eye diameter, 6.6-7.2% of SL; a thin body width, 11.0-13.0% of SL; a short and thin caudal peduncle (its length, 14.1-16.1 and depth, 10.0-10.8% of SL); a moderately long predorsal length, 36.8-39.7% of SL; a long preanal length, 49.7-52.9% of SL .: fusiform / normal.

🌀 Behaviour

Behavioural data for aquarium is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.9±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01122 × L3.04 (TL)
Max TL
7.3cm
Dorsal Spines
5
Dorsal Rays
14
Anal Spines
1
Anal Rays
22

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
32.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Kadarusman, Hadiaty & Pouyaud, 2012

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