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A Green neon tetra with the lack of red stripe clearly visible This fish loses its brilliant blue and red colors when lights are switched off, but regains them when lights are switched on again. The green neon tetra comes from extremely soft, acidic water at temperatures around 24 to 29 °C (75 to 84 °F).
A neon tetra can appear slightly plump in the belly due to having overeaten. Neon tetras need dim lighting, a DH less than one, about 5.5 pH, and a temperature of 75 °F (24 °C) to breed. There also needs to be a lot of tannins in the water. Neon tetras are old enough to breed at 12 weeks. [23]
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.
Costello tetras have been kept in the aquarium hobby. Some foods aquarists feed them include flakes, pellets, and live foods. Wild caught specimens sport a characteristic golden sheen to their scales, this is due to the presence of a parasite found within their native range that causes the unusual pigmentation, captive bred Costello tetra do not display this coloration, and instead present ...
Green neon tetra: Paracheirodon simulans: 2.5 cm (0.98 in) Similar to Neon Tetras and Cardinal Tetras, they are the same to Neon Tetras beside having a green tiny near their top dorsal fin [35] Head and tail light tetra: Hemigrammus ocellifer: 4 cm (1.6 in) Hummingbird tetra: Trochilocharax ornatus: 2 cm (0.79 in) January tetra: Hemigrammus ...
The characteristic iridescence of this and related fishes, such as the neon tetra, is a structural color, caused by refraction of light within guanine crystals that develop within special cells called iridocytes in the subcutaneous layer. The exact shade of blue seen depends on the viewing angle of the viewer relative to the fish - if the ...