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The Jack Dempsey is found widely throughout Central America, however the majority of specimens available within the aquarium trade are commercially produced. Some feral/invasive populations have been established in the United States, Thailand and Australia. A popular cichlid for its beautiful iridescent spots, hobbyists should take into account the large adult size and long lifespan [approximately 10 – 15 years] of a Jack dempsey before considering one for their aquarium. For its large size (10 – 12″) however, the Jack dempsey is a relatively non-aggressive cichlid so long as it is not kept with small fishes that can become a meal. Maintaining the aquascape in an aquarium with a Jack dempsey can often feel like a losing battling, as they can dig and move around what decor is present. There are few reliable diagnosable differences between male and female Jack dempseys, but the males will develop much more pointed dorsal and anal fins. Jack dempseys can suddenly exhibit aggressive behavior if they are in spawning condition.


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