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Aquatic plants are used to give the freshwater aquarium a natural appearance, oxygenate the water, absorb ammonia, and provide habitat for fish, especially fry (babies) and for invertebrates. Some aquarium fish and invertebrates also eat live plants. Hobbyists use aquatic plants for aquascaping, of several aesthetic styles.
Many color and tail pattern varieties exist. They generally need a ratio of 1 male to 2 females or more. All guppies and mollies are hardy fish that tolerate lower oxygen levels and temperatures than most aquarium fish, give birth to live young, and readily breed in home tanks. can live in full sea water: 66°F - 84°F (19°C - 29°C) 7 - 8
There is a variety of the common rudd, popular among pond -keepers, known as the golden rudd, which has a gold-coloured body. [2] The rudd can grow to a size of about 45–50 cm with an average of about 25 cm. The dorsal fin and pectoral fins are greyish with a reddish tint and all the other fins are bright red.
Freshwater aquarium. A freshwater aquarium is a receptacle that holds one or more freshwater aquatic organisms for decorative, pet-keeping, or research purposes. Modern aquariums are most often made from transparent glass or acrylic glass. Typical inhabitants include fish, plants, amphibians, and invertebrates, such as snails and crustaceans.
A brackish-water aquarium is an aquarium where the water is brackish (semi-salty). The range of "saltiness" varies greatly, from near freshwater to near marine and is often referred to as specific gravity (SG) or salinity. Brackish water aquaria is a popular specialization within the fishkeeping hobby. Many species of fish traded as freshwater ...
P. zealandicus (White, 1847) Paranephrops is a genus of freshwater crayfish found only in New Zealand. They are known by the English common names freshwater crayfish [1] and koura, [2] the latter from their Māori name of kōura. [1] The two species are the northern koura, Paranephrops planifrons, found mainly in the North Island, but also in ...
Coastal Rainbow Trout or Steelhead Trout. Oncorhyncus mykiss irideus. Y. California Golden Trout. Oncorhynchus mykiss aguabonita. Y. Little Kern Golden Trout.
The Black kokanee or Kunimasu, once thought to be extinct, is now classed as extinct in the wild. This list of freshwater fish recorded in Japan is primarily based on the IUCN Red List, which, for fish found in inland waters, details the conservation status of some two hundred and sixty-one species, seventy-three of them endemic.
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