- Scientific name: Apistogramma hongsloi
- Common name: Red-lined dwarf cichlid, Red Streak Cichlid, Rotstrich Cichlid, Blackseam Cichlid
- Group: Cichlids
- Habitat: South America; Colombia, Venezuela
- Size: Male: 7,5 cm, female: 4,5 cm
- Biotope: Rio Vichada and Rio Meta in the Orinoco basin, where they live in the shallows near the banks.
- Social behavior: A peaceful, territorial dwarf cichlid which rarely digs. When associated with smaller surface fishes Apistogramma hongsloi, becomes more self-confident. Male may harrass the female at spawning.
- Diet: Carnivorous; small live foods of all kinds. These fish do not accept flake foods easily.
- Breeding: Quite easy
- Tank: Minimum 65 litres
- Population: 1 male and 3 females for 100 litres
- Decoration: Make a planted aquarium rich in hiding places and provide a fine-grained dark bottom. Small caves should be provided. This species will also benefit from the use of dead leaves on the substrate.
- Temperature: 24-27 °C
- pH: 5-6.5
- Hardness: 0-15 NK°
- Lifespan: 3-5 years
Description: Apistogramma hongsloi males differ from all other Apistogramma males by having the caudal peduncle spot in red. In selected animals, this can extend to a red line above the anal fin. The fins are red-brown in colour whereas the body is brown/green/blue with a bold lateral black line from the nose to the base of the caudal fin. Male is larger and more colorful with a red spot at the base of the caudal fin and elongated dorsal fin membranes. Female is smaller, grayish, yellow with contrasting black when breeding. Wild forms of Apistogramma hongsloi are not nearly as colorful as the domesticated strains.
Breeding is quite easy: the water should be extremely soft and acid. The males spawn with several females in larger tanks. Cave spawner, the female cares for the 60-90 eggs while the male secures the territory, where several females can have their spawning territories, against other tankmates. The female places her eggs inside the roof of a cavity or underneath a leaf. The eggs are salmon colored. Eggs hatch in around 3 days and the fry are free swimming 4-5 days later. They are excellent parents and both fish play an active role in protecting the free-swimming fry. Fry can be fed on newly-hatched brineshrimp.
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