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The convict cichlid (Amatitlania nigrofasciata) is a fish species from the family Cichlidae, native to Central America, [3] also known as the zebra cichlid. [4] Convict cichlids are popular aquarium fish [ 3 ] and have also been the subject of numerous studies on fish behaviour.
The convict julie (Julidochromis regani) is a cichlid species in the subfamily Pseudocrenilabrinae family endemic to Lake Tanganyika. Hence it is found in Burundi, the Democratic Republic of the Congo, Tanzania, and Zambia. The fish is named after Charles Tate Regan. [2] This species is closely related to Julidochromis marlieri.
Amatitlania is a genus of cichlid fishes native to freshwater habitats in Central America from El Salvador and Guatemala to Panama.They are fairly small cichlids, typically reaching up to 6.4–10 cm (2.5–4 in) in standard length depending on exact species, [1] although captives may grow larger.
Amatitlania coatepeque, the Lago Coatepeque convict cichlid, is a freshwater fish species endemic to El Salvador. [1] The species was first identified in 1924 and takes its name from Lake Coatepeque in the interior highlands of western El Salvador.
In convict cichlids, for example, a leucistic coloration is recessively inherited, [123] while in Oreochromis niloticus niloticus, red coloration is caused by a dominant inherited mutation. [124] This selective breeding may have unintended consequences. For example, hybrid strains of Mikrogeophagus ramirezi have health and fertility problems. [125]
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In convict cichlid fish, males are more likely to desert when there is a female-biased sex ratio, as males have a higher chance of remating and increasing reproductive success. Furthermore, probability of male desertion in this particular species is also increased where there is low predation (high predation leads to biparental care for ...
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