Penguin tetra
Thayeria boehlkei
- Adult size
- 6 cm2 in
- Group
- 8+
- Tank length
- 36 cm14 in
- Lifespan
- 3–5 yrs
- Temperature
- 23–27 °C73–81 °F
- pH
- 5.5–7.5
- Hardness
- 1–15 dGH
- Diet
- omnivore
Hardy schooling tetra that holds a tail-down posture; a lively group of eight or more suits a planted community tank.Hardy schooling tetra that holds a tail-down posture; a lively group of eight or more suits a planted community tank.
Tank sizes
Good tankmates
Avoid with
- Acei cichlid
No shared pH rangeNo shared pH range
- Brevis shell dweller
No shared pH rangeNo shared pH range
- Caudopunctatus
No shared pH rangeNo shared pH range
- Multies
No shared pH rangeNo shared pH range
- Pindani
No shared pH rangeNo shared pH range
- Rusty cichlid
No shared pH rangeNo shared pH range
- Saulosi cichlid
No shared pH rangeNo shared pH range
- Similis shell dweller
No shared pH rangeNo shared pH range
- Afra cichlid
No shared pH rangeNo shared pH range
- African knifefish
African knifefish may eat Penguin tetraAfrican knifefish may eat Penguin tetra
- African pike
African pike may eat Penguin tetraAfrican pike may eat Penguin tetra
- Alligator gar
Alligator gar may eat Penguin tetraAlligator gar may eat Penguin tetra
Sources
| temperature | 23–27 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium |
|---|---|---|
| ph | 5.5–7.5 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04; agrees with FishBase (fishbase.se), retrieved 2026-10-04 · medium |
| gh | 1–15 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low |
| origin | Amazon basin, Peru and Brazil | curated-v0 (needs expert review) · low |
| notes | Hardy schooling tetra that holds a tail-down posture; a lively group of eight or | curated-v0 (needs expert review) · medium |
| beginner friendly | true | curated-v0 (needs expert review) · medium |
| care level | easy | curated-v0 (needs expert review) · medium |
| color palette | #C8CCC0, #1A1A1A | curated-v0 (needs expert review) · low |
| activity | active | curated-v0 (needs expert review) · medium |
| swim zone | middle | curated-v0 (needs expert review) · medium |
| temperament | peaceful | 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 | 8 | curated-v0 (needs expert review) · medium |
| diet | omnivore | curated-v0 (needs expert review) · medium |
| lifespan years | 3–5 | curated-v0 (needs expert review) · low |
| growth to adult months | 8 | curated-v0 (needs expert review) · low |
| length weight | {"a":0.012,"b":3} | curated-v0 (needs expert review) · low |
| planted safe | true | curated-v0 (needs expert review) · medium |
| body shape | tetra | curated-v0 (needs expert review) · medium |