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Fish farming or pisciculture involves commercial breeding of fish, most often for food, in fish tanks or artificial enclosures such as fish ponds. It is a particular type of aquaculture , which is the controlled cultivation and harvesting of aquatic animals such as fish, crustaceans , molluscs and so on, in natural or pseudo-natural environments.
Fish farming is the principal form of aquaculture, while other methods may fall under mariculture. It involves raising fish commercially in tanks or enclosures, usually for food. A facility that releases juvenile fish into the wild for recreational fishing or to supplement a species' natural population is generally referred to as a fish hatchery.
SeaMonkey consists of a web browser, which is a descendant of the Netscape family, [10] an email and news client program (SeaMonkey Mail & Newsgroups, which shares code with Mozilla Thunderbird), an HTML editor (SeaMonkey Composer) and an IRC client ().
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The species does not meet any of the criteria that would categorise it as risking extinction but it is likely to do so in the future. LC: Least concern: There are no current identifiable risks to the species. DD: Data deficient: There is inadequate information to make an assessment of the risks to this species.
This fish is common in lakes in the whole of Sweden, with the exceptions of the northernmost regions where it is only sporadic. Commercial fishing is practically non-existent. Most epox are caught by sport-fishers; it is the largest fish in fresh waters, with the official record weight (in Swedish fresh waters) being 31 kg. [12]
Yearlings of A. gueldenstaedtii (a) and P. spathula (d), and their hybrids: (b) typical LH (larger genome) hybrid, (c) typical SH (smaller genome) hybrid. [1]The sturddlefish is a hybrid of the American paddlefish (Polyodon spathula) and the Russian sturgeon (Acipenser gueldenstaedtii), accidentally created by researchers in 2019 and announced in 2020. [2]
The eulachon (/ ˈ j uː l ə k ɒ n / (Thaleichthys pacificus), also spelled oolichan / ˈ uː l ɪ k ɑː n /, ooligan / ˈ uː l ɪ ɡ ə n /, hooligan / ˈ h uː l ɪ ɡ ə n /), or the candlefish, is a small anadromous species of smelt that spawns in some of the major river systems along the Pacific coast of North America from northern California to Alaska.