Iridescent shark
Pangasianodon hypophthalmus
Photo: Vassil · CC0
- Adult size
- 90 cm35 in
- Group
- 6+
- Tank length
- 600 cmabout 20 ft (236 in)
- Lifespan
- 10–20 yrs
- Temperature
- 22–26 °C72–79 °F
- pH
- 6–8
- Hardness
- 5–15 dGH
- Diet
- carnivore
Do not buy for a home aquarium; juveniles grow into enormous nervous fish.Do not buy for a home aquarium; juveniles grow into enormous nervous fish.
Tank sizes
Good tankmates
Avoid with
- Acei cichlid
Iridescent shark may eat Acei cichlidIridescent shark may eat Acei cichlid
- African butterfly cichlid
Iridescent shark may eat African butterfly cichlidIridescent shark may eat African butterfly cichlid
- African clawed frog
Iridescent shark may eat African clawed frogIridescent shark may eat African clawed frog
- Agassiz's cory
Iridescent shark may eat Agassiz's coryIridescent shark may eat Agassiz's cory
- Ajamaru rainbowfish
Iridescent shark may eat Ajamaru rainbowfishIridescent shark may eat Ajamaru rainbowfish
Amano shrimpIridescent shark may eat Amano shrimpIridescent shark may eat Amano shrimp
- American flagfish
Iridescent shark may eat American flagfishIridescent shark may eat American flagfish
- Angfa rainbowfish
Iridescent shark may eat Angfa rainbowfishIridescent shark may eat Angfa rainbowfish
- Arfak rainbowfish
Iridescent shark may eat Arfak rainbowfishIridescent shark may eat Arfak rainbowfish
Assassin snailIridescent shark may eat Assassin snailIridescent shark may eat Assassin snail
- Banded gourami
Iridescent shark may eat Banded gouramiIridescent shark may eat Banded gourami
- Bandit cory
Iridescent shark may eat Bandit coryIridescent shark may eat Bandit cory
Sources
| temperature | 22–26 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium |
|---|---|---|
| ph | 6–8 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium |
| gh | 5–15 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low |
| origin | Tropical freshwater; regional origin needs review | curated-v0 (needs expert review) · low |
| notes | Do not buy for a home aquarium; juveniles grow into enormous nervous fish. | curated-v0 (needs expert review) · medium |
| beginner friendly | false | curated-v0 (needs expert review) · medium |
| care level | advanced | curated-v0 (needs expert review) · medium |
| color palette | #9EAA99, #465858 | curated-v0 (needs expert review) · low |
| activity | active | curated-v0 (needs expert review) · medium |
| swim zone | middle | curated-v0 (needs expert review) · medium |
| temperament | predatory | curated-v0 (needs expert review) · medium |
| fin nipper | false | curated-v0 (needs expert review) · medium |
| long finned | false | curated-v0 (needs expert review) · medium |
| territorial | false | curated-v0 (needs expert review) · medium |
| schooling | true | curated-v0 (needs expert review) · medium |
| schooling min | 6 | curated-v0 (needs expert review) · medium |
| diet | carnivore | curated-v0 (needs expert review) · medium |
| lifespan years | 10–20 | curated-v0 (needs expert review) · low |
| growth to adult months | 24 | curated-v0 (needs expert review) · low |
| length weight | {"a":0.006,"b":3} | curated-v0 (needs expert review) · low |
| planted safe | false | curated-v0 (needs expert review) · medium |
| min tank length | 600 | curated-v0 (needs expert review) · medium |
| body shape | shark | curated-v0 (needs expert review) · medium |