How Many Red Tail Shark in a 75-Gallon Tank?
A 75-gallon tank suits 1 Red Tail Shark. This species is territorial and is best kept singly unless the tank is large enough to break up aggression.
Why
Stocking is driven by adult size and waste output, not just fish count. Red Tail Shark reaches about 5" with a heavy bioload, and needs 72–79°F water at pH 6.5–7.5. Always cycle the tank and test water before adding livestock.
| Adult size | 5" |
|---|---|
| Minimum tank | 55 gallons |
| Temperature | 72–79°F |
| pH | 6.5–7.5 |
| Temperament | Aggressive |
| Schooling | No |
| Diet | Omnivore |
| Care level | Moderate |
| Origin | Thailand |