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Van Heurn's rainbowfish (Melanotaenia vanheurni) — Melanotaeniidae

Van Heurn's rainbowfish

Melanotaenia vanheurni

The Van Heurn's rainbowfish (Melanotaenia vanheurni) is a freshwater fish of the family Melanotaeniidae that grows up to 16 cm.

Length
16 cm
Water
Freshwater
Behaviour
Schooling
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Open water
Danger
Harmless
Range
Asia: Indonesia

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Description

The Van Heurn's rainbowfish is a rainbowfish (Melanotaeniidae) from clear streams, lakes and swamps of northern 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 Van Heurn's rainbowfish?

The Van Heurn's rainbowfish has a torpedo-shaped body and is mainly multicoloured.

Where does the Van Heurn's rainbowfish live?

The Van Heurn's rainbowfish lives in fresh water and is mostly found around open water. Asia: Indonesia

How big does the Van Heurn's rainbowfish get?

The Van Heurn's rainbowfish grows to a maximum of about 16 cm.

Is the Van Heurn's rainbowfish dangerous to humans?

No, the Van Heurn's rainbowfish is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

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All data

Identification

English name
Van Heurn's rainbowfish sourced
Scientific name
Melanotaenia vanheurni
Family
Melanotaeniidae
Other names
Van Heurn's rainbowfish verified

Appearance

Size class
Medium verified
Max length (cm)
16.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Multicoloured sourced
Tail shape
Forked inferred

Habitat & distribution

Water type
Freshwater sourced
Substrate
Open water sourced
Natural range
Asia: Indonesia sourced
Origin
Native inferred

Behaviour & biology

Social behaviour
Schooling sourced
Territorial
No inferred
Activity
Diurnal inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
Yes inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

Fishing method
Can be caught with natural bait or lures, matched to the size and habitat of the species. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified
First aid
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. 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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