Threespot Headstander (Pseudanos trimaculatus)


An uncommon and interestingly patterned Anostomid found throughout several major river systems in South America, the Threespot Headstander is a loosely schooling species similar to the more well-known banded Leporinus (L. fasciatus). In the wild, they tend to inhabit moderate to fast moving acidic waters, usually in open water where they feed on insects and crustaceans. In the aquarium, they require plenty of open swimming space and will do best in fast-moving, well-oxygenated water with a tight fitting lid as they are impressive jumpers.


Threespot Headstander (Pseudanos trimaculatus)

Origin: Wild Venezuela
Locale: Rio Orinoco
Diet: Omnivore and insect/crustacean eater, will readily accept most frozen or prepared foods
Adult Size: 5″
Recommended Tank Size: 90 gallons
Compatibility: Generally peaceful toward larger tankmates, can be territorial with each other unless kept in groups of 3

Preferred Water Parameters
pH:                          6.0 – 7.2
Temp:                     76-82F
Ammonia:              0ppm
Nitrite:                    0ppm
Nitrate:                  <30ppm