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Guppies prefer water temperatures around 22.2–26.1 °C (72–79 °F) for reproduction. Pregnant female guppies have enlarged and darkened gravid spots near their anal vents. Just before birth, the eyes of fry may be seen through the translucent skin in this area of the female's body. [64]
A few species, most notably Dermogenys pusillius, have traditionally been kept in slightly brackish water, though some authors aver that those found in brackish water are estuarine juveniles. [6] [17] Most traded species of Nomorhamphus and Hemirhamphodon prefer soft, neutral to slightly acidic, fresh water conditions. [12] [21]
Guppies are a common example of feeder fish. Feeder fish is the common name for certain types of small, inexpensive fish commonly fed as live food to other captive animals such as predatory fishes (e.g. aquarium sharks, farmed salmon and tuna) or carnivorous aquarium fish (e.g. oscars, gar, grouper and rays), turtles, crocodilians and other piscivores that naturally hunt in fresh, brackish or ...
Requires brackish aquarium conditions with very low Nitrite and Nitrate levels to be kept successfully. Freshwater compromises immune system, harms puffer, and shortens life extremely. Commonly kept in freshwater. Green spotted puffer Tetraodon nigroviridis: 6" Often sold as freshwater fish, but this species actually thrives in brackish water.
The Mediterranean Agronomic Institute, Valenzano, Bari, Italy South coast grew 5 cultivars of lentil irrigated with sea water of different salinity levels. Saline water was prepared by mixing fresh water (EC = 0.9 dS/m) with sea water (EC = 48 dS/m) to achieve salinity levels of 3.0, 6.0, 9.0 and 12.0 dS/m. [10]
An aquascaped freshwater aquarium. Fishkeeping is a popular hobby, practiced by aquarists, concerned with keeping fish in a home aquarium or garden pond.It is a practice that encompasses the art of maintaining one's own aquatic ecosystem, featuring a lot of variety with various water systems, all of which have their own unique features and requirements.
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Platys will usually live for around 3 years if their aquarium water parameters are satisfactory. [4] The platys' ideal water parameters are: Water hardness – between 10 and 28 dGH [4] Temperature – 72 to 82 °F (22 to 28 °C) [5] Water pH – in range from 6.8 to 8.0 [4]