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Care Guides

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Trigonostigma heteromorpha – A Comprehensive Guide (Purple Harlequin Rasbora)
by Bob Steenfott April 27, 2026

Trigonostigma heteromorpha (Purple Harlequin Rasbora) is a peaceful schooling fish known for its iconic wedge pattern and rich coloration. Learn how to care for this species, including tank setup, diet, and behavior.

Posted in active schooling fish, freshwater schooling fish, harlequin rasbora, nano schooling fish, peaceful schooling fish, purple harlequin rasbora, schooling fish, small schooling fish, trigonostigma heteromorpha

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Harlequin Rasbora Care Guide (Trigonostigma heteromorpha)
by Bob Steenfott June 09, 2024

Harlequin Rasbora (Trigonostigma heteromorpha) is one of the most popular peaceful schooling fish in the aquarium hobby. This guide covers care, tank setup, water parameters, diet, tank mates, and breeding.

Posted in community fish, harlequin rasbora, rasbora, rasbora fish, schooling fish, trigonostigma heteromorpha

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