fish-tank › fish species
Threadfin Rainbowfish (Iriatherina werneri)
Delicate trailing fins — never mix with nippers; tiny mouth needs powdered/micro foods.
Specifications
- ecosystem
- freshwater
- min tank gallons
- 20
- adult size in
- 1.5
- temperature range f
- 75-82
- ph range
- 6.0-7.5
- gh range dgh
- 8-15
- care difficulty
- intermediate
- aggression
- peaceful
- community compatible
- yes
- schooling min count
- 6
- diet
- omnivore
- lifespan years
- 3-4
- tank zone
- mid
Sources
- Aquarium Co-Op video / blog content · ingest 2026-05-06
- Practical Fishkeeping public articles · ingest 2026-05-06