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Australian rainbowfish (Melanotaenia australis) — Melanotaeniidae

Australian rainbowfish

Melanotaenia australis
LC · Least Concern

The Australian rainbowfish (Melanotaenia australis) is a freshwater fish of the family Melanotaeniidae that grows up to 11 cm.

Length
11 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Open water
Danger
Harmless
Edibility
Not eaten

Description

The western rainbowfish is a colourful freshwater fish of the rainbowfish family (Melanotaeniidae) from north-western Australia. The species grows to about 11 cm and has a laterally compressed body that, depending on light and mood, shows a beautiful sheen of green, blue, yellow and red; males are more brightly coloured. It inhabits a wide range of habitats: rivers, creeks, swamps, lagoons, lakes and reservoirs. As an omnivore it eats small invertebrates, insects, algae and plant matter. Rainbowfishes live in schools and are popular in the aquarium. The species is harmless to humans.

Frequently asked questions

How do you recognise the Australian rainbowfish?

The Australian rainbowfish has a torpedo-shaped body, is mainly multicoloured and shows a plain pattern.

Where does the Australian rainbowfish live?

The Australian rainbowfish lives in fresh water and is mostly found around open water.

How big does the Australian rainbowfish get?

The Australian rainbowfish grows to a maximum of about 11 cm. On average the species is around 8 cm.

Is the Australian rainbowfish dangerous to humans?

No, the Australian rainbowfish is harmless to humans.

Is the Australian rainbowfish edible?

The Australian rainbowfish is not usually eaten.

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All data

Identification

Dutch name
Westelijke regenboogvis sourced
English name
Australian rainbowfish verified
Scientific name
Melanotaenia australis
Family
Melanotaeniidae
Other names
Red-tailed rainbowfish; Western Australian jewel-fish; Western Australian sun-fish; Western rainbowfish; Westralian sunfish verified

Appearance

Size class
Small verified
Max length (cm)
11.0 verified
Average length (cm)
8.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Multicoloured inferred
Pattern
Plain inferred
Tail shape
Forked inferred
Mouth position
Terminal inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
Two separate inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Open water sourced
Origin
Native sourced

Behaviour & biology

Diet
Omnivore sourced
Social behaviour
Schooling inferred
Territorial
No inferred
Activity
Diurnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
Yes inferred

For anglers

Edibility
Not eaten sourced
Fishing method
Geen doelsoort voor de hengelsport; hooguit incidentele vangst of bruikbaar als aasvisje. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Melanotaenia

More from the family Melanotaeniidae

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