Tank setup
A minimum 45L aquarium suits Rosy Loach. Match décor to natural behaviour — plants, rockwork, or open swimming room as needed.
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Freshwater Fish
Catfish & Loaches
Uncommon
Rosy Loach
Petruichthys sp. ‘Rosy’
Petruichthys sp. ‘Rosy’
Temperature
22° - 26 °C
Max size
3 cm
Min tank
45 L
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What to know before you buy.
A tiny, sociable loach that spends its time bustling in mid-water rather than hiding. Males flush a warm rose when settled in a group of eight or more.
Select a tank to see how this species fits.
Everything you need to keep Rosy Loach healthy in a South African setup.
A minimum 45L aquarium suits Rosy Loach. Match décor to natural behaviour — plants, rockwork, or open swimming room as needed.
Keep pH 6.5–7.5 and 22–26°C. Stable parameters matter more than chasing perfect numbers — acclimate new arrivals slowly.
Rosy Loach is omnivore — micro foods, frozen. Feed a varied diet appropriate for freshwater fish — quality flakes, pellets, or frozen foods sized to the mouth.
Rosy Loach is generally peaceful, sociable nano loach. Observe during feeding and at lights-out for true temperament.
Pair with similarly sized peaceful, sociable nano loach tankmates in freshwater fish. Avoid fin-nippers or species that outgrow this fish.
Breeding notes for Rosy Loach vary by line and water chemistry — ask your local shop about proven pairs in SA.
From hobbyists across SA.
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Species that typically work alongside Rosy Loach in a similar setup.
Bristlenose Pleco
Ancistrus sp.
Otocinclus
Otocinclus vittatus
Corydoras Bronze
Corydoras aeneus
Corydoras Sterbai
Corydoras sterbai
Weather Loach
Misgurnus anguillicaudatus
Kuhli Loach
Pangio kuhlii
Glass Catfish
Kryptopterus vitreolus
Hillstream Loach
Sewellia lineolata