Search results
Results from the WOW.Com Content Network
For those seeking to breed them in the aquarium, the best way to do so is by mimicking the same natural setup. A study conducted in Manaus, Brazil, subjected cardinal tetras to adverse water conditions for 96 hours. The fish perished at a low temperature of 19.6 °C (67.3 °F) and a high of 33.7 °C (92.7 °F), and pH below 2.9 or above 8.8. [5]
Vietnamese cardinal minnows do best in a water temperature ranging from 19–23 degrees Celsius. Softer water within the range of 37–142 ppm is also preferable. They are peaceful, though males constantly challenge one another, harmlessly, and do well with a variety of fish, such as cyprinids, catfish, loaches, and tetras.
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.
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 hyanuary: 4 cm (1.6 in) Lemon tetra: Hyphessobrycon pulchripinnis
The fish are also not caught by fish farmers during their breeding season. [9] The cardinal tetra, especially, is considered a renewable resource. [10] Project Piaba assesses the sustainability of the species farmed in the Rio Negro area by using the "F value" which estimates the portion of the catch from the total biomass. [11]
A group of 6 fishes will feel comfortable in a 15-gallon tank, but a bigger tank (preferably 30 gallons) and more fishes are recommended. According to the Encyclopedia of Aquarium and Pond Fish, it prefers water of 23–28 °C (73–82 °F) that is soft (50–100 mg/L) and acidic (pH 5.6-6.9), and a diet of prepared foods and small live foods. [2]
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.
While the preference of the lemon tetra with respect to water chemistry lies within the realm of soft (hardness less than 8° dH) and acidic (pH around 6.6) parameters, the species is notably hardy, and will accommodate itself to a wide range of conditions, the pH range for the fish being from 6.0 to 7.4. Temperature range for the species is 21 ...