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Red Phantom Tetra (Hyphessobrycon sweglesi) Care Guide

A beautiful tetra from the Orinoco River basin with a translucent red body and a prominent black shoulder spot. Males develop elongated dorsal fins and intensely red coloration.

Overview

Hyphessobrycon sweglesi is a species in the family Characidae. A beautiful tetra from the Orinoco River basin with a translucent red body and a prominent black shoulder spot. Males develop elongated dorsal fins and intensely red coloration. Thrives in soft, acidic water with tannins and does best in densely planted tanks. A peaceful schooler that looks spectacular in large groups against a dark background.

Taxonomy

  • Family: Characidae
  • Genus: Hyphessobrycon
  • Scientific name: Hyphessobrycon sweglesi
  • Other names: Hyphessobrycon sweglesi, Swegles' Tetra
  • Origin: South America

Habitat

Native to the upper Orinoco basin of Colombia and Venezuela. Inhabits soft, acidic blackwater streams shaded by forest. A small shoaling characin with translucent red colouration and a dark shoulder spot; closely related to the black phantom tetra.

Tank requirements

  • Minimum tank volume: 60 L
  • Temperature: 22-27 °C
  • pH: 5-7
  • GH: 1-10 °dGH
  • Water flow: low
  • Adult size: 3-4 cm
  • Lifespan: 3-5 years
  • Recommended group size: ≥ 6
  • Difficulty: beginner

Diet

Classified as omnivore. Recommended feeding frequency: 2x daily. In captivity, offer a varied diet appropriate to the species — quality prepared foods supplemented with frozen or live items of suitable size.

Compatibility

  • Temperament: peaceful
  • Swimming level: middle
  • Compatible tank mates: Black Phantom Tetra, Corydoras, Cardinal Tetra, Harlequin Rasbora, Cherry Shrimp
  • Avoid with: Large aggressive fish, Fin-nippers

Breeding

  • Breeding strategy: egg-scatterer
  • Breeding difficulty: intermediate

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