Rainbow shark
Epalzeorhynchos frenatum
Also called Ruby shark
Essential gear
- 90 cm+ long tank
- Filter
- Heater
- Thermometer
- Driftwood caves
- Tank lid
Lifespan
5–8years
Water temperature
24–27°C
pH
6.5–7.5
Water column
Lower-mid level
Patrols territory along the substrate and hardscape
Keep in groups
Usually kept alone
Only consider conspecifics in a large tank, and risk remains high
Diet
Omnivore
Algae wafers, sinking pellets, frozen foods
Suggested habitat
Aim for a long tank of at least 900 × 300 × 300 mm. Keep bottom patrol space and caves; mid–upper levels can hold schooling tetras—don’t expect it as nano-tank décor.
Plates are husbandry references—not build plans or generator parameters. Check your own water, vessel, and stocking before you act.