Paracheirodon
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Paracheirodon is a genus of freshwater ray-finned fishes belonging to the family Acestrorhamphidae, the American characins, 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 Neotropical realm, occurring in the Orinoco and Amazon Basins in northern South America.
Paracheirodon tetras reach maximum overall lengths of Script error: No such module "convert". 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:[1]
| Image | Species | Common name | Range |
|---|---|---|---|
| File:Neontetra-vis.jpg | Paracheirodon axelrodi
(L. P. Schultz, 1956) |
Cardinal tetra | Upper Orinoco and |
| File:Neonsalmler Paracheirodon innesi.jpg | Paracheirodon innesi
(G. S. Myers, 1936) |
Neon tetra | Blackwater and
clearwater stream tributaries of the Solimões River.[3] |
| File:Paracheirodon simulans (cropped).jpg | Paracheirodon simulans
(Géry, 1963) |
Green neon tetra | Upper Orinoco and |
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References
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