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AI illustration of Melanotaenia oktediensis, complete left-facing side view

Melanotaenia oktediensis

Melanotaenia oktediensis

A lower-positioned flank stripe that extends less far forward; compare with vanheurni.

Adult length
Up to 10 cm (standard length, without the tail fin)
Water temperature
23–26 °C
pH
6.5–7.5
Native range
Oceania: known only from the Ok Tedi River and its tributaries, in the Upper Fly River system of southern Papua New Guinea.
Natural habitat
Inhabits inland mountain streams.
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Diet and feeding

Feeds mainly on small insects.

Sources

www.fishbase.se ↗ 2026-10-25

www.rainbowfish.de ↗ 2026-10-23

PeekFish · Ornamental fish

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