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Fingerling – refers to a fish that has reached the stage where the fins can be extended and protective scales have covered the body. [4] At this stage, the fish is typically about the size of a human finger, [5] hence the name. Once reaching this stage, the fish can be considered a juvenile, and is usually active enough to move around a large ...
Tilapia are very susceptible to diseases such as whirling disease and ich. [26] Mozambique tilapia are resistant to wide varieties of water quality issues and pollution levels. Because of these abilities they have been used as bioassay organisms to generate metal toxicity data for risk assessments of local freshwater species in South Africa ...
Many cultured fishes (tilapia, carp, catfish, many others) can be raised on a strictly herbivorous diet. Top-level carnivores (most salmonidae species in particular) on the other hand, depend on fish feed, of which a large portion is usually derived from wild-caught fish ( anchovies , menhaden , etc.).
The Nile Tilapia (Oreochromis niloticus) is a species of tilapia, a cichlid fish native to the northern half of Africa and the Levante area (Lowe-McConnell, 1988). [4] Numerous introduced populations exist outside its natural range. The Nile Tilapia reaches up to 60 cm in length, and can exceed 5 kg.
Death occurs below 50 °F (10 °C). Therefore, only the southernmost states are suitable for tilapia production. In the southern region, tilapia can be held in cages from five to 12 months per year, depending on location. [14] About 1.5 million tons of tilapia were consumed in the US in 2005, with 2.5 million tons projected by 2010. [15]
The Nile tilapia can be found in most types of freshwater habitats, such as rivers, streams, canals, lakes, and ponds, and ranging from sea level to an altitude of 1,830 m (6,000 ft). [ 1 ] [ 2 ] It also occurs in brackish water, but is unable to survive long-term in full salt water. [ 2 ]
[2] [3] In other cases, tilapia have been established into new aquatic habitats via aquarists or ornamental fish farmers. [4] [5] Because tilapia are generally large, fast growing, breed rapidly, and can tolerate a wide variety of water conditions (even marine environments), tilapia establish themselves into new habitats rather quickly.
The Wami tilapia is a tilapiine cichlid that grows to over 20 cm in length and is considered a useful food fish in Tanzania and the island of Zanzibar, which is recognized as a potential origin. It is tolerant of brackish water and grows well in saline pools, making it particularly suitable for aquaculture by communities living close to the sea.