Common Name(s)
Blue acara
Scientific Name
Andinoacara pulcher
Family
Cichlidae
Origin
Central and South America, from Panama to Colombia
Temperament
Mainly peaceful
Maximum Size
6 inches
Minimum Tank Size
40g for species only, 55 for a community around them
Tank Setup
Best kept with a sandy substrate. It will dig up plants.
Tank Region
Middle-bottom
Diet
Carnivorous. Bloodworms, brine shrimp, earthworms, mosquito larvae. Dried foods are accepted
Breeding
Substrate spawner. Easy to breed.
Compatibility
Peaceful, just keep with species too large to swallow whole.
Ease of Keeping
Easy
Care
pH: Doesn't matter; Temperature: 75-82 Fahrenheit
blue acara.jpg

By Loïc Tremblay - Loïc Tremblay, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=2963613

Males have more pointed anal and dorsal fins, and females have a more rounded shape.

Often confused with the green terror, a much more aggressive cichlid.

There is also a variant which is called the 'electric blue acara' which is obviously extremely blue.
This article can help: http://www.tropical-fish-keeping.com/tag/electric-blue-acara#sthash.QW6fvsnX.dpbs