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Definition of red rainbowfish

red rainbowfish

Plural:red rainbowfish
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• noun

1

A freshwater species of rainbowfish (Glossolepis incisus) endemic to Lake Sentani in Papua, Indonesia, noted for the vibrant, iridescent red coloration developed by mature males.

Example

"The aquarist carefully adjusted the tank's water parameters and diet to ensure the red rainbowfish would display its brightest breeding colors."

Word Nuance & Usage

In the aquarium hobby, beginners are often confused by the species' appearance, as the vibrant red coloration for which it is named is only present in mature, dominant males, while females remain a subdued silvery-olive.

• Nearby Words

red oscar
red panda
red phantom tetra
red rainbowfish
red river
red river hog
red snapper

Cite this Entry

Wordmom. (2026). Definition of Red rainbowfish. In Wordmom Dictionary. Retrieved Nov 13, 2026, from https://wordmom.com/dictionary/red-rainbowfish
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