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Freshwater fish are fish species that spend some or all of their lives in bodies of fresh water such as rivers, lakes and inland wetlands, where the salinity is less than 1.05%. These environments differ from marine habitats in many ways, especially the difference in levels of osmolarity. To survive in fresh water, fish need a range of ...
The quillback is a medium-sized, deep-bodied fish found throughout North America. It has a small head, humped back and deeply forked caudal fin. The compressed body of the quillback makes it look flattened when viewed from the side. [8] The quillback has a subterminal mouth with no barbels, and no nipple-like protrusions on the bottom lip.
They predominantly prefer swift currents, however, they can also be found in well oxygenated pools. As their name suggests they are often found at the base of waterfalls. Before the introduction of fish such as smallmouth bass, largemouth bass, and brown trout, the fallfish was the apex predator in many streams. [5]
This is a list of freshwater fish pursued by recreational anglers. Alligator gar; American paddlefish; Amur catfish; Amur pike; Arapaima; Arctic grayling; Asian arowana; Asp (fish) Atlantic salmon; Atlantic sturgeon; Australian bass; Australian grayling; Bagarius yarrelli; Barramundi; Basa (fish) Bayad; Beluga (sturgeon) Biara; Black arowana ...
The goliath tigerfish is described as the "Monster Fish of the Congo" by a 2008 documentary by National Geographic, a reflection of its monster-like qualities and of its perception by local people and hunters. This large-toothed, highly predatory fish grows to an average length of 1.5 m (4.9 ft) and a weight of 50 kg (110 lb). [8]
Of North American freshwater species, an estimated 48.5% of mussels, 22.8% of gastropods, 32.7% of crayfishes, 25.9% of amphibians, and 21.2% of fish are either endangered or threatened. [24] Extinction rates of many species may increase severely into the next century because of invasive species, loss of keystone species, and species which are ...
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