Siamese tigerfish
Datnioides pulcher
- Tank length
- 180 cmabout 6 ft (71 in)
- Start with
- 1
- Temperature
- 24–28 °C75–82 °F
- pH
- 6.5–7.5
- Adult size
- 35 cm14 in
- Lifespan
- 10–20 yrs
Grows into a large, shy predator that eats any fish it can swallow; plan a long tank and big tankmates from day one.Grows into a large, shy predator that eats any fish it can swallow; plan a long tank and big tankmates from day one.
Tank sizes
Good tankmates
Avoid with
- Acei cichlid
No shared pH rangeNo shared pH range
- African butterfly cichlid
Siamese tigerfish may eat African butterfly cichlidSiamese tigerfish may eat African butterfly cichlid
- African clawed frog
Siamese tigerfish may eat African clawed frogSiamese tigerfish may eat African clawed frog
- Agassiz's cory
Siamese tigerfish may eat Agassiz's corySiamese tigerfish may eat Agassiz's cory
- Ajamaru rainbowfish
Siamese tigerfish may eat Ajamaru rainbowfishSiamese tigerfish may eat Ajamaru rainbowfish
Amano shrimpSiamese tigerfish may eat Amano shrimpSiamese tigerfish may eat Amano shrimp
- American flagfish
Siamese tigerfish may eat American flagfishSiamese tigerfish may eat American flagfish
- Angfa rainbowfish
Siamese tigerfish may eat Angfa rainbowfishSiamese tigerfish may eat Angfa rainbowfish
- Arfak rainbowfish
Siamese tigerfish may eat Arfak rainbowfishSiamese tigerfish may eat Arfak rainbowfish
Assassin snailSiamese tigerfish may eat Assassin snailSiamese tigerfish may eat Assassin snail
- Banded gourami
Siamese tigerfish may eat Banded gouramiSiamese tigerfish may eat Banded gourami
- Bandit cory
Siamese tigerfish may eat Bandit corySiamese tigerfish may eat Bandit cory
Data used by the planner
| Temperature | 24–28 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium confidence |
|---|---|---|
| pH | 6.5–7.5 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium confidence |
| Hardness (dGH) | 1–15 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium confidence |
| Origin | Mekong and Chao Phraya basins, Southeast Asia | curated-v0 (needs expert review) · low confidence |
| Beginner friendly | No | curated-v0 (needs expert review) · medium confidence |
| Care level | advanced | curated-v0 (needs expert review) · medium confidence |
| Activity | sedentary | curated-v0 (needs expert review) · medium confidence |
| Swimming level | middle | curated-v0 (needs expert review) · medium confidence |
| Temperament | predatory | curated-v0 (needs expert review) · medium confidence |
| Nips fins | No | curated-v0 (needs expert review) · medium confidence |
| Long fins | No | curated-v0 (needs expert review) · medium confidence |
| Territorial | Yes | curated-v0 (needs expert review) · medium confidence |
| Lives in groups | No | curated-v0 (needs expert review) · medium confidence |
| Minimum group | 1 | curated-v0 (needs expert review) · medium confidence |
| Diet | carnivore | curated-v0 (needs expert review) · medium confidence |
| Lifespan (years) | 10–20 | curated-v0 (needs expert review) · low confidence |
| Months to adult size | 36 | curated-v0 (needs expert review) · low confidence |
| Safe with plants | Yes | curated-v0 (needs expert review) · medium confidence |
| Minimum tank length | 180 | curated-v0 (needs expert review) · medium confidence |