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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]
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 .
Characidae, the characids or characins, is a family of freshwater subtropical and tropical fish belonging to the order Characiformes.The name "characins" is a historical one, [2] but scientists today tend to prefer "characids" to reflect their status as a, by and large, monophyletic group (at family rank).
Neon tetra: Paracheirodon innesi: 3.75 cm (1.48 in) Neon tetras must be kept in groups of at least a half-dozen, as they are a shoaling species. With peaceful dispositions, they are also able to be kept with other species of non-aggressive fish. [36] 38 L (10 gal) [36] 68 to 79 F (20 to 26 C) [36] 6.0–7.0 [37] Ornate tetra: Hyphessobrycon bentosi
During the 1940s and 1950s, White Cloud Mountain minnows acquired the nickname, the "Poor Man's Neon Tetra", because they were much more affordable in price than the colorful and then expensive neon tetras. [9] Two variants are commonly available: the "Golden Cloud" and the longer-finned "Meteor Minnow", which can be gold as well.
The primary host of Pleistophora hyphessobryconis is the neon tetra; however, this parasite demonstrates a broad range of host specificity and has been isolated from numerous species of aquarium fish. [3] P. hyphessobryconis primarily infects the skeletal muscle with no involvement of smooth or cardiac muscle. [2]
Black neon tetras are kept in soft acidic water, although captive-bread they can often survive in mature tap water with a range of 5.5 - 7.5. [ 7 ] [ 5 ] [ 6 ] Aquarists recommend that the water be kept clean at all times; that the tank contain live plants, a darker substrate and open water for swimming; and that the fish be kept in groups of ...
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).