Van Heurn's rainbowfish
📖 Overview
Van Heurn's rainbowfish (Melanotaenia vanheurni), first described by Weber & de Beaufort, 1922 is a medium-sized fish in the family Melanotaeniidae (order Atheriniformes). Adults typically reach 16.00 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Melanotaeniidae kept in the hobby.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 5 - 7; Dorsal soft rays (total): 18 - 28; Anal spines: 1; Anal soft rays: 21 - 26. : fusiform / normal.
🌀 Behaviour
Behavioural data for Van Heurn's rainbowfish is currently being reviewed.
🦐 Diet
🥚 Reproduction
Distinct pairing .
🌍 Habitat & Distribution
Freshwater; benthopelagic. Tropical; 2°S - 4°S known thus far only from the Idenburg ( now Taritatu) and Doorman Rivers in Irian Jaya, Indonesia.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
| Language | Common Names |
|---|---|
| 🇬🇧English | Van Heurn's Rainbowfish · Van Heurn’s Rainbowfish |
| 🌍CES | duhovka van Heurnova |
🦠 Common Diseases
The following diseases are known to affect Van Heurn's rainbowfish.
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .
👥 Community & Contribute
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