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Iridescent Shark (Pangasianodon hypophthalmus) Care Guide

A massive catfish that grows to 130cm and is absolutely NOT suitable for home aquariums despite being commonly sold as a juvenile. A nervous, fast-swimming fish that needs enormous tanks or ponds.

Overview

Pangasianodon hypophthalmus is a species in the family Pangasiidae. A massive catfish that grows to 130cm and is absolutely NOT suitable for home aquariums despite being commonly sold as a juvenile. A nervous, fast-swimming fish that needs enormous tanks or ponds. Often sold irresponsibly to unsuspecting beginners.

Taxonomy

  • Family: Pangasiidae
  • Genus: Pangasianodon
  • Scientific name: Pangasianodon hypophthalmus
  • Other names: Pangasius, Sutchi Catfish
  • Origin: Southeast Asia

Habitat

Pangasianodon hypophthalmus is a large migratory catfish from the Mekong and Chao Phraya basins of Southeast Asia. An active open-water swimmer that grows to well over a metre, it is unsuitable for typical home aquariums despite being sold small.

Tank requirements

  • Minimum tank volume: 3000 L
  • Temperature: 22-26 °C
  • pH: 6.5-7.5
  • GH: 2-20 °dGH
  • Water flow: moderate
  • Adult size: 60-130 cm
  • Lifespan: 15-20 years
  • Recommended group size: ≥ 3
  • Difficulty: advanced

Diet

Classified as omnivore. Recommended feeding frequency: 1x 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
  • Position in tank: middle
  • Compatible tank mates: Other Large Fish, Arowana
  • Avoid with: Small Fish, Slow Fish, All Home Aquarium Fish

Breeding

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

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