Delicate blue-eye
Pseudomugil tenellus
- Tank length
- 15 cm6 in
- Group
- 8+
- Temperature
- 23–28 °C73–82 °F
- pH
- 6–8
- Adult size
- 2.5 cm1 in
- Lifespan
- 1–2 yrs
Tiny and short-lived; keep only with other very small peaceful fish and feed fine live or frozen foods.Tiny and short-lived; keep only with other very small peaceful fish and feed fine live or frozen foods.
Tank sizes
Good tankmates
Avoid with
- African clawed frog
African clawed frog may eat Delicate blue eyeAfrican clawed frog may eat Delicate blue eye
- Abei puffer
Abei puffer may eat Delicate blue eyeAbei puffer may eat Delicate blue eye
- African butterflyfish
African butterflyfish may eat Delicate blue eyeAfrican butterflyfish may eat Delicate blue eye
- African knifefish
African knifefish may eat Delicate blue eyeAfrican knifefish may eat Delicate blue eye
- African pike
African pike may eat Delicate blue eyeAfrican pike may eat Delicate blue eye
- Alligator gar
Alligator gar may eat Delicate blue eyeAlligator gar may eat Delicate blue eye
- Amazon leaffish
Amazon leaffish may eat Delicate blue eyeAmazon leaffish may eat Delicate blue eye
- Amazon toadfish
Amazon toadfish may eat Delicate blue eyeAmazon toadfish may eat Delicate blue eye
- Antenna ray
Antenna ray may eat Delicate blue eyeAntenna ray may eat Delicate blue eye
- Arapaima
Arapaima may eat Delicate blue eyeArapaima may eat Delicate blue eye
- Arrowhead puffer
Arrowhead puffer may eat Delicate blue eyeArrowhead puffer may eat Delicate blue eye
- Asian arowana
Asian arowana may eat Delicate blue eyeAsian arowana may eat Delicate blue eye
Data used by the planner
| Temperature | 23–28 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · low confidence |
|---|---|---|
| pH | 6–8 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium confidence |
| Hardness (dGH) | 5–15 | AqAdvisor (aqadvisor.com), retrieved 2026-10-04 · medium confidence |
| Origin | Northern Australia and southern New Guinea | curated-v0 (needs expert review) · low confidence |
| Beginner friendly | No | curated-v0 (needs expert review) · medium confidence |
| Care level | moderate | curated-v0 (needs expert review) · medium confidence |
| Activity | active | curated-v0 (needs expert review) · medium confidence |
| Swimming level | top | curated-v0 (needs expert review) · medium confidence |
| Temperament | peaceful | 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 | No | curated-v0 (needs expert review) · medium confidence |
| Lives in groups | Yes | curated-v0 (needs expert review) · medium confidence |
| Minimum group | 8 | curated-v0 (needs expert review) · medium confidence |
| Diet | omnivore | curated-v0 (needs expert review) · medium confidence |
| Lifespan (years) | 1–2 | curated-v0 (needs expert review) · low confidence |
| Months to adult size | 4 | curated-v0 (needs expert review) · low confidence |
| Safe with plants | Yes | curated-v0 (needs expert review) · medium confidence |