Red Tail Shark Stats Minimum Tank Size: 29 Gallons (55 Gallons Recommended) Care Level: Easy Water Conditions: PH 6.8-7.5 and Soft to Fairly Hard Temperature: 72-79 F (22-26C) Maximum Size: 6 inches (15.2cm) The red tail shark (Epalzeorhynchos bicolor) was once found inhabiting streams throughout Thailand, but after decades of habitat loss, it was declared extinct … [Read more...] about Red Tail Shark (Red Tailed Black Shark) – The Care, Feeding and Breeding of Red Tail Sharks