Species Profile
Phoenix Rasbora
Boraras merah
Rasboraspeaceful
Adult size
0.7″
Minimum tank
5 gal
Temperature
72–82°F
pH
5–7
Schooling
Group of 8+
Water level
mid
Diet
Micro foods, baby brine shrimp
Notes
Tiny red nano fish almost indistinguishable from the chili rasbora; many shops sell them interchangeably. Both work the same way: heavily planted nano tanks, soft acidic water, schools of 10+ for proper behavior.
Photo: Andrewbogott / Wikimedia Commons · Source · CC-BY-SA-4.0