Lake Kutubu rainbowfish (Melanotaenia lacustris) fish species and information / pictures of Lake Kutubu rainbowfish - Melanotaenia lacustris

Lake Kutubu rainbowfish (Melanotaenia lacustris) fish species information

Scientific Name
Melanotaenia lacustris

Common Name
Lake Kutubu rainbowfish

Biology
Dorsal spines (total): 5 - 7; Dorsal soft rays (total): 11-14; Anal spines: 1; Anal soft rays: 17 - 21

Classification

Classified By
Munro, 1964
Class
Ray-finned fishes (Actinopterygii)
Order
Silversides (Atheriniformes)
Family
Rainbowfishes, blue eyes (Melanotaeniidae)

Distribution

Region
Oceania
Distribution
Oceania: known only from Lake Kutubu and its outlet, the Soro River, in the Kikori River drainage of the Southern Highlands, Papua New Guinea.
Range
6°S - 7°S

Environment

Climate
Tropical
Water Temperature From
20 °C
Water Temperature To
24 °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
benthopelagic
Environment
Freshwater; ; pH range: 7.0 - 8.0; dH range: 9 - 12 benthopelagic
Trophic Level
2.89 s.e. 0.35 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
False
Occurs in Brackish water
False
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
True

Physical Size and Genetics

Maximum Length
10.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Gamefish: yes; aquarium: commercial
Vulnerability
Moderate vulnerability (37 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Vulnerable (VU) (A1ac)