Key Characteristics of the Firemouth Cichlid:

1. Appearance: Firemouth Cichlids are named for the bright red coloration on their throat and chest, resembling a fiery display. They have a distinct black spot on their gill cover and a lateral stripe that runs from their eye to the caudal fin.

2. Size: Adult Firemouth Cichlids can reach a size of around 6 inches (15 cm).

3. Behavior: While they can be territorial, Firemouth Cichlids are generally considered to be more peaceful compared to some other cichlid species. However, aggression can increase during the breeding season.

4. Habitat: In their natural habitat, Firemouth Cichlids inhabit slow-moving rivers and lagoons with sandy or muddy substrates. They often seek shelter among rocks and plants.

5. Tank Setup: When kept in aquariums, Firemouth Cichlids appreciate a setup that includes caves, rocks, and driftwood. They may also benefit from the presence of live plants, although they can be somewhat destructive towards them.

6. Water Conditions:

   • Temperature: 75-79°F (24-26°C)
   • pH Level: 6.5-8.0
   • Water Hardness: 6-12 dGH

7. Diet: Firemouth Cichlids are omnivores, and their diet should include a mix of high-quality cichlid pellets, flakes, and live or frozen foods like brine shrimp and bloodworms.

8. Breeding: These cichlids are known for their interesting breeding behaviors. They are substrate spawners and will often lay their eggs on a flat surface, such as a rock or a piece of slate.

9. Tank Mates: While generally peaceful, Firemouth Cichlids can show aggression, especially during breeding. Compatible tank mates are those that can withstand some territorial behavior. Avoid keeping them with overly aggressive species.

10. Coloration: The intensity of the "fire" coloration on the throat and chest can vary among individuals, and it often becomes more vibrant during times of excitement or aggression.

Remember that individual fish may have varying temperaments, and their behavior can be influenced by factors such as tank size, decoration, and the presence of other tank mates. Always monitor their interactions and be prepared to provide hiding spots if needed. If there have been developments in the cichlid hobby since my last update, it's advisable to check with reputable sources for the most current information.