UNDERGROUNDAQUARIUM
Oddballs & Specialty

Red Tail Shark

Epalzeorhynchos bicolor

A jet-black body with a brilliant red tail — striking, but territorial toward similar fish.

Water
Freshwater
Temperature
72–79°F
pH
6.5–7.8
Hardness
5–15 dGH
Max size
6 in
Min tank
55 gal
Temperament
Aggressive
Social
Solitary
Swim level
Bottom
Diet
Omnivore
Care level
Intermediate
Lifespan
6-8 years
Breeding
Egg-scatterer
Suitability
Intermediate
Origin
Thailand

Red tail sharks are bold and territorial, especially toward other bottom-dwellers and look-alikes, so keep just one with room to claim. They are nearly extinct in the wild and sustained by captive breeding.