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Adult male emerald green tetra with pale adipose fin — AI illustration

Emerald green tetra

Hyphessobrycon comodoro

Green-gold sheen, orange fins and a broad dark shoulder mark

Males have a pointed front anal lobe and concave distal margin. The pale adipose fin may be absent in some individuals.

Adult length
Up to 3.9 cm (standard length, without the tail fin)
pH
5.5–7
Natural habitat
Inhabits clear streams and road-impounded tributaries over sand, silt and organic matter, with aquatic plants and filamentous algae at some sites.
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Appearance and identification

Similar trade labels exist, so colour alone does not identify it.

Same-species behaviour

Keep at least ten.

Space requirements

Use an 80 cm tank.

Diet and feeding

Accepts dry and frozen or live food.

Compatibility limits

Monitor feeding and interactions.

Aquarium environment

Keep open swimming space; it may eat plant tissue.

Sources

doi.org ↗ 2026-10-23

www.fishbase.se ↗ 2026-10-25

zierfische-aquarium.at ↗ 2026-10-23

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