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Pearl cichlid
The pearl cichlid (''Geophagus brasiliensis'') is a species of fish in the cichlid family. It is native to southeastern Brazil and Uruguay where found in rivers, lakes and nearby slightly brackish lagoons.〔SeriouslyFish: ''('Geophagus' brasiliensis. )'' Retrieved 27 August 2014.〕 It has been introduced to several countries far from its native range, including United States, Australia, the Philippines and Taiwan.〔 In Australia it has been released into the Tweed River system, New South Wales, and the Swan River system, Western Australia where it inhabits fresh and brackish water at a wide range of pH.
This species is popular among aquarists.〔
==Appearance==
The males can reach a length of up to , while females only reach a bit more than half that size.〔 Its main body colour can be anything from pale light brown to dark blue almost purple; their colours change with moods and during mating sessions. The pearl cichlid has one dark spot which may or may not be visible on its body, located towards its tail, it also may display several black bands running top to bottom down its body. Its markings, which cover its body, are bright blue speckles which shine bright in a healthy fish; they have red fins which may have blueish tones and be tipped in black; but again these colours may change, brighten or fade depending on the mood. They can grow quite large, with males reaching just over a foot and females generally a little smaller. In a group they will usually pair up once they are around 2–3 inches; at this time they can be quite territorial, and will keep other fish away from their breeding space.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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