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・ Parachalciope longiplaga
・ Parachalciope monoplaneta
・ Parachalciope trigonometrica
・ Parachan
・ Parachan, Alborz
・ Parachan, Qazvin
・ Parachanda
・ Parachanna
・ Parachanna africana
・ Parachanna fayumensis
・ Parachariesthes marshalli
・ Parachartergus apicalis
・ Parachartergus colobopterus
・ Parachartergus fraternus
・ Paracheilinus
Paracheirodon
・ Parachela
・ Parachela maculicauda
・ Parachela oxygastroides
・ Parachela siamensis
・ Parachesis
・ Parachi language
・ Parachico
・ Parachilna (album)
・ Parachilna, South Australia
・ Parachiloglanis
・ Parachiloglanis hodgarti
・ Parachinar
・ Parachinar Airport
・ Parachinar Malana


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Paracheirodon : ウィキペディア英語版
Paracheirodon

''Paracheirodon'' is a genus of freshwater fish in the family Characidae of the order Characiformes. The type species is ''P. innesi,'' the well-known neon tetra, and the ''Paracheirodon'' species are among the fishes known as tetras. All species of this genus are native to the Neotropic ecozone, occurring in the Orinoco and Amazon Basins in northern South America.
''Paracheirodon'' tetras reach maximum overall lengths of depending on the species, and are of elongated, tetra shapes. All share a distinctive iridescent blue lateral line, but differ slightly in their other colorations.
Preferring soft, acidic waters, these midwater shoaling fishes feed predominantly on small crustaceans, insects, worms, and zooplankton. When spawning, they scatter their eggs and guard neither eggs nor young.
The generic name ''Paracheirodon'' derives from the Ancient Greek χείρ (hand), and οδών (teeth), prefixed with παρά (beside) to distinguish it from the similar characin genus ''Cheirodon.''
==Species==
The currently recognized species in this genus are:
* ''Paracheirodon axelrodi'' (L. P. Schultz, 1956) (cardinal tetra)
* ''Paracheirodon innesi'' (G. S. Myers, 1936) (neon tetra)
* ''Paracheirodon simulans'' (Géry, 1963) (green neon tetra)

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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