Common Name(s)
Fat oscar
Scientific Name
Astronotus crassipinnis
Family
Cichlidae
Origin
Paraguay, Peru, Brazil, Bolivia
Temperament
Peaceful with fish properly sized and in the right size tank.
Maximum Size
10 inches
Minimum Tank Size
75 gallons
Tank Setup
Nothing in particular, but its colors will be stronger with floating plants, a dark substrate and background.
Tank Region
Everywhere
Diet
Omnivore, messy eater just like its cousin. Feed as you would a normal Oscar.
Breeding
Unknown
Compatibility
With robust species that are too large to fit in its mouth.
Ease of Keeping
Intermediate
Care
pH: Doesn't matter; Temperature: 70-83 Fahrenheit
Fat oscar.jpg

By Sebastian jurado garcia - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=29986902

Resembling its larger cousin, A. ocellatus, A. crassipinnis is more rare and unknown in the hobby. They're often confused with A. ocellatus when they are being sold.
Needs heavy filtration as, like A. ocellatus, it produces a lot of waste.