Flag Acara
Laetacara curviceps
Also known as: Blunt Head Cichlid, flag cichlid, Sheepshead Acara, Smiling Acara, Smiling Dwarf Cichlid
A shy, peaceful dwarf cichlid that earns its 'smiling' nickname with gentle charm.

About
The Blunt Head Cichlid (Laetacara curviceps) is one of those small South American cichlids that consistently wins over keepers who give it a chance. Native to the lower tributaries of the Amazon basin in Brazil, it stays compact in the aquarium. Most fish top out well under three inches. The common name refers to the somewhat rounded, blunt profile of the head, and the alternate nickname 'Smiling Acara' reflects a facial expression that many keepers find endearing. Coloration is subtle rather than flashy, with iridescent highlights that reward close observation, and males often display a dark spot at the base of the dorsal fin and another near the caudal fin. Useful markers if you're trying to identify your fish or sort it from close relatives like Laetacara dorsigera. Temperament is genuinely peaceful for a cichlid, though pairs will become more assertive during spawning events. They're biparental substrate spawners, meaning both parents share duties raising the fry, which is one of the rewarding behaviors that keeps cichlid keepers hooked. A planted setup with plenty of cover suits them well. This species isn't the easiest beginner fish, it appreciates good water quality and a settled, low-stress environment, but it isn't particularly demanding once a stable tank is established.
Similar species
Other fish you might consider
Good tank mates
Species that tend to coexist peacefully with Flag Acara
From the same region
Share the same natural habitat. Great for a biotope-themed tank
Frequently asked questions
- How big does the Flag Acara get?
- The Flag Acara reaches about 1–3" as an adult.
- What size tank does the Flag Acara need?
- A minimum of 45 gallons is recommended for the Flag Acara.
- What water parameters does the Flag Acara need?
- The Flag Acara does best with a temperature of 68–82°F, a pH of 5–7.5, hardness around 2–15 dGH.
- Is the Flag Acara aggressive?
- The Flag Acara is generally peaceful and suits a community tank with similarly calm tankmates.
- What does the Flag Acara eat?
- The Flag Acara is an omnivore. It does well on a varied diet of quality flake or pellet plus occasional frozen or live foods.
- How long does the Flag Acara live?
- With good care, the Flag Acara typically lives 5-8 years.