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Arfak rainbowfish (Melanotaenia arfakensis) — Melanotaeniidae

Arfak rainbowfish

Melanotaenia arfakensis

The Arfak rainbowfish (Melanotaenia arfakensis) is a freshwater fish of the family Melanotaeniidae that grows up to 8 cm.

Length
8 cm
Water
Freshwater
Behaviour
Schooling
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Open water
Danger
Harmless

Description

The Arfak rainbowfish is a rainbowfish (Melanotaeniidae) from clear streams, lakes and swamps of the Arfak Mountains of New Guinea. The species grows to about 10 cm and has a deep, laterally compressed body; dominant males colour up spectacularly with blue, yellow, red or green tints that glow in the morning light. As a social schooling fish it swims in the upper and middle layer and snaps at insects, larvae, small invertebrates and algae. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Arfak rainbowfish?

The Arfak rainbowfish has an elongate, eel-like body and is mainly multicoloured.

Where does the Arfak rainbowfish live?

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

How big does the Arfak rainbowfish get?

The Arfak rainbowfish grows to a maximum of about 8 cm.

Is the Arfak rainbowfish dangerous to humans?

No, the Arfak rainbowfish is harmless to humans.

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All data

Identification

Dutch name
Arfak-regenboogvis sourced
English name
Arfak rainbowfish sourced
Scientific name
Melanotaenia arfakensis
Family
Melanotaeniidae
Other names
Arfak rainbowfish verified

Appearance

Size class
Small verified
Max length (cm)
8.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Multicoloured sourced
Tail shape
Forked inferred

Habitat & distribution

Water type
Freshwater sourced
Substrate
Open water sourced
Origin
Native inferred

Behaviour & biology

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

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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