Species Profile
Threadfin Rainbowfish
Iriatherina werneri
RainbowfishpeacefulLong-finned
Adult size
1.5″
Minimum tank
15 gal
Temperature
75–82°F
pH
5.5–7.5
Schooling
Group of 6+
Water level
mid
Diet
Micro pellets, baby brine shrimp
Notes
Long delicate fins. Vulnerable to fin-nippers and fast feeders.
Photo: Unknown / Wikimedia Commons · Source · CC-BY-SA-2.5