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Yellow phantom tetra — AI-generated side-view illustration

Yellow phantom tetra

Hyphessobrycon roseus

A golden-to-rose body with an oval shoulder blotch and reddish tail

A pale olive-gold to silver body has a pink sheen, a conspicuous oval shoulder blotch and a reddish tail.

Adult length
Up to 1.9 cm (standard length, without the tail fin)
Water temperature
20–28 °C
pH
5–7
Hardness
1–10 dGH
Natural habitat
Native to the Maroni and Oyapock drainage systems.

Provide conspecific company and cover.

View comparison →

Appearance and identification

A shoulder blotch and red tail without large dark fin patches fit this species, though trade forms vary. Roseus and rosaceus are distinct species.

Same-species behaviour

Keep eight to ten or more. Observe chasing, feeding and retreats.

Space requirements

Allow a 60 × 30 cm footprint as a starting point, with plant or wood cover and swimming space; allow more for a larger group.

Diet and feeding

Offer suitably sized dry foods with small frozen or live foods. Watch for smaller fish being excluded.

Compatibility limits

Choose companions of similar size and suitable behaviour, and watch feeding competition.

Aquarium environment

Plants, roots and patches of cover provide retreats while leaving a swimming lane.

Sources

www.fishbase.se ↗ 2026-10-25

www.seriouslyfish.com ↗ 2026-10-22

researcharchive.calacademy.org ↗ 2026-10-22

aquaticarts.com ↗ 2026-10-22

www.acshop.com.tw ↗ 2026-10-22

mcmerwe.co.za ↗ 2026-10-22

biodiversite.parc-amazonien-guyane.fr ↗ 2026-10-23

doi.org ↗ 2026-10-23

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