Mikolji Oscar (Astronotus mikolji)


Only officially described in 2022, the Mikolji Oscar (Astronotus mikolji) is a new species of Astronotus, or oscar, that is genetically and physically distinct from other oscar species. It is named after Ivan Mikolji, a Venezuelan explorer, researcher, and author famous for his work with fish biodiversity and aquatic ecosystem conservation. Native to the Orinoco River Basin and the Gulf of Paria Basin, these South American cichlids have silver bodies with a red-fringed dorsal fin and a bright orange-rimmed black spot near the caudal fin. Mikolji Oscars grow up to 12 inches long and are generally aggressive, especially towards other cichlids. Beware, as they will also eat almost any tankmate small enough to fit in their mouth!


Mikolji Oscar (Astronotus mikolji)

Origin: Wild Venezuela
Locale: Rio Orinoco
Diet: Omnivore and predator
Adult Size: 12″
Recommended Tank Size: 90 Gallon
Compatibility: Moderately aggressive, especially towards other cichlids. Will eat any fish that can fit in their large mouths

Preferred Water Parameters
pH:                          6.2 – 7.2
Temp:                     76-82F
Ammonia:              0ppm
Nitrite:                    0ppm
Nitrate:                  <30ppm