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Australian rainbowfish (Melanotaenia fluviatilis) — Melanotaeniidae

Australian rainbowfish

Melanotaenia fluviatilis

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

Length
11 cm
Water
Freshwater
Behaviour
Schooling
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Mixed bottom
Danger
Harmless

Description

The Australian rainbowfish is a rainbowfish (Melanotaeniidae) from fresh water of the Murray-Darling basin in eastern Australia. The species grows to about 11 cm and has a deep, laterally compressed body that gleams handsomely; courting males colour more intensely. The silvery body bears rows of red dots and gleams greenish. As a schooling fish it lives in clear, plant-rich streams and lakes and eats small insects, larvae and algae. The fish is harmless to humans and is popular in the aquarium trade.

Frequently asked questions

How do you recognise the Australian rainbowfish?

The Australian rainbowfish has a torpedo-shaped body and is mainly silver-grey.

Where does the Australian rainbowfish live?

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

How big does the Australian rainbowfish get?

The Australian rainbowfish grows to a maximum of about 11 cm. On average the species is around 9 cm.

Is the Australian rainbowfish dangerous to humans?

No, the Australian rainbowfish is harmless to humans.

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All data

Identification

Dutch name
Australische regenboogvis sourced
English name
Australian rainbowfish sourced
Scientific name
Melanotaenia fluviatilis
Family
Melanotaeniidae
Other names
Crimson-spotted jewelfish; Crimson-spotted rainbowfish; Murray River rainbowfish; Murray river sunfish; Murray-Darling sunfish verified

Appearance

Size class
Small verified
Max length (cm)
11.0 verified
Average length (cm)
8.5 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey sourced
Tail shape
Forked inferred

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Origin
Native inferred

Behaviour & biology

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

For anglers

Fishing method
Klein van stuk en nauwelijks een hengelsportdoel; wordt vooral incidenteel of als aasvis gevangen. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified

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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