Duboulay's rainbowfish (Melanotaenia duboulayi) fish species and information / pictures of Duboulay's rainbowfish - Melanotaenia duboulayi

Duboulay's rainbowfish (Melanotaenia duboulayi) fish species information

Scientific Name
Melanotaenia duboulayi

Common Name
Duboulay's rainbowfish

Biology
Found in rivers, creeks, drains, ponds, dune lakes and reservoirs. Usually occurs in still or slow-flowing conditions near the surface or around vegetation, log snags, or other debris. Occurs in both sandy coastal habitats and forested areas farther inland. Water conditions vary from very soft and acidic (coastal) to relatively alkaline (inland). The pH and temperature ranges are 5.4-7.8 and 16?-28?C, respectively (Ref. 44894). Omnivore (Ref. 75154). A popular aquarium fish which readily breeds in captivity. Life span in the wild is probably 3-4 years (Ref. 44894).

Classification

Classified By

Castelnau, 1878

Class

Ray-finned fishes (Actinopterygii)

Order

Silversides (Atheriniformes)

Family

Rainbowfishes, blue eyes (Melanotaeniidae)

Distribution

Region

Oceania

Distribution

Oceania: endemic to Australia.

Range

Unknown

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; benthopelagic; potamodromous (Ref. 51243)

Trophic Level

2.88 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

False

Physical Size and Genetics

Maximum Length

11.0 cm

Common Length

6 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

Unknown

Vulnerability

Moderate vulnerability (38 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

Not Evaluated