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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]
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 pregnant Southern platyfish. Pregnancy has been traditionally defined as the period of time eggs are incubated in the body after the egg-sperm union. [1] Although the term often refers to placental mammals, it has also been used in the titles of many international, peer-reviewed, scientific articles on fish.
Hemigrammus erythrozonus, commonly known as the glowlight tetra, is a small tropical fish from the Essequibo River, Guyana, South America.It is silver in colour and a bright iridescent orange to red stripe extends from the snout to the base of its tail, the front of the dorsal fin being the same color as the stripe.
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.
Pregnant women have been warned off fish because of concerns about mercury levels, but new research suggests that eating certain kinds of fish in the later stages of pregnancy can be helpful in ...
While rummy-nose tetras do not need their eggs to be kept in total darkness as is the case for neon and cardinal tetras, the eggs are known to exhibit some degree of photosensitivity, and subdued lighting is highly advisable during egg development in the breeding aquarium.
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 ...