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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]
For breeding, these tetras need water similar to the waters in which they live in the wild; extremely soft water with a pH of about 6 and a temperature of around 77 °F (25 °C). Ideally, the water should be highly stained by the tannins from peat, [3] in subdued light, shaded by plants. It spawns in a school, although in the actual act of ...
The emperor tetra is a placid aquarium fish and will be disturbed by more boisterous species. It grows to 4.2 cm. [3] It prefers a pH of 6.5, a hardness of 3–6 dKH and a temperature of 23–27 °C. It does not school as readily as most tetras, and a pair appears happier than with most tetras.
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 ...
Unlike those tetra species which adapt to surface feeding in the aquarium, rummy-nose tetras are not considered likely to add live mosquito larvae to their diet in the aquarium, though instances where these fishes discover and enjoy this food are possible: usually, rummy-nose tetras prefer to take their foods in the middle and lower regions of ...
Bamboo Shrimp need stable water conditions, and they do best in well-established aquariums, like one of the best tropical fish tanks, that have lots of plants and places to hide. 16. Mystery Snails
The surface and cave forms of the Mexican tetra have proven powerful subjects for scientists studying evolution. [28] When the surface-dwelling ancestors of current cave populations entered the subterranean environment, the change in ecological conditions rendered their phenotype—which included many biological functions dependent on the presence of light—subject to natural selection and ...
The Black phantom tetra is an egg-scattering species. [4] To stimulate breeding, pH is lowered to about 5.5-6, the general hardness of the water is also reduced below four degrees. The breeding tank should have plants, both rooted and floating, and low light. A female black phantom tetra will produce about 300 eggs.