Scientific name: Acarichthys heckelii 		Common name: Thread-finned cichlid 		Family: Cichlidae 		Usual size in fish tanks: 11 - 13 cm (4.33 - 5.12 inch) 		0 14    		Recommended pH range for the species: 6.8 - 7.2 		Recommended water hardness (dGH): 6 - 12°N (107.14 - 214.29ppm) 		0°C 	32°F 30°C 	86°F    		Recommended temperature: 24 - 28 °C (75.2 - 82.4°F) 		The way how these fish reproduce: Spawning 		Where the species comes from: South America 		Temperament to its own species: peaceful 		Temperament toward other fish species: aggressive/territorial 		Usual place in the tank: Bottom levels 		Food and feeding All foods offered will be accepted. Quality flakes and cichlid pellets should provide the staple diet. Supplements of blood worm and brine shrimp should be given on a weekly basis. Include some vegetable matter to bring out the best from Thread-finned cichlids.  Origin South America; Thread-finned cichlids are to be found on the Rio Negro, Brazil.  Sexing Males will have an extended dorsal fin and display more coloration.  Breeding Breeding is not too difficult with these fish. Provide some caves in the set up and they should spawn. The male will protect the spawning site while the female tends the eggs in the cave. After 3 days the eggs should hatch and 3 days later the fry will be free swimming. They can be fed on newly hatched brine shrimp initially.  Lifespan The expected life span for Thread-finned cichlids is 6-8 years.  Short description These are relatively peaceful fish but will occupy territories. Add hiding places to the tank but leave open swimming spaces. Frequent water changes must be performed.  Picture Bought by aqua-fish.net from jjphoto.dk.