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Pygmy Cory — AI-generated left-facing adult illustration

Pygmy Cory

Gastrodermus pygmaeus

A continuous dark flank stripe runs along the slender body; it also swims above the substrate.

A continuous dark flank stripe runs along the slender body. This fish also swims above the substrate.

Adult length
Up to 3 cm (standard length, without the tail fin)
Water temperature
22–26 °C
Lifespan
5–10 years
pH
6.4–7.4
Natural habitat
Inhabits small tributaries, creeks, pools and flooded forest, often sheltering in groups among marginal plants and roots.

Keep a group and offer suitably tiny food. Combine planted shelter with lower-midwater swimming space and avoid predatory or strongly competitive tankmates.

View comparison →

Appearance and identification

G. hastatus has a prominent tail-base patch rather than the same bold continuous stripe.

Floor and movement space

Use a 45 × 30 cm base.

Aquarium environment

Leave clean, smooth substrate and open foraging space.

Diet and feeding

Provide suitably sized sinking food and a varied diet; leftovers are not enough.

Same-species behaviour

Keep at least six conspecifics.

Compatibility limits

Choose suitably sized peaceful companions; small shrimp may be eaten.

Sources

www.seriouslyfish.com ↗ 2026-10-22

aquaticarts.com ↗ 2026-10-22

PeekFish · Ornamental fish

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