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This fish is able to survive in oxbow lakes with dissolved oxygen as low as 0.5 ppm. In the wetlands of the Araguaia , one of the most important refuges for this species, it is the top predator in such lakes during the low-water season, when the lakes are isolated from the rivers and oxygen levels drop, rendering its prey lethargic and vulnerable.
The Ouachita National Forest is the oldest National Forest in the southern United States. The forest encompasses 1,784,457 acres (7,221 km 2), including most of the scenic Ouachita Mountain Range. Six locations in the forest, comprising 65,000 acres (263 km 2), have been congressionally-designated as wilderness areas.
Optima Lake was built to be a reservoir in Texas County, Oklahoma.The site is just north of Hardesty and east of Guymon in the Oklahoma Panhandle. [2]The earthen Optima Lake Dam (National ID # OK20510) was completed in 1978 (46 years ago) () by the United States Army Corps of Engineers, with a height of 120 feet (37 m), and a length at its crest of 16,875 feet (5,144 m). [3]
A freshwater swamp forest is a type of wetland ecosystem characterized by its unique hydrology and vegetation. These forests are typically found in low-lying areas, riverbanks, and floodplains where there is a consistent supply of freshwater. [3] A forest that is frequently flooded with relatively fresh water rich in minerals is referred to as ...
Species of fish living in cold or cool water can see a reduction in population of up to 50% in the majority of U.S. freshwater streams, according to most climate change models. [102] The increase in metabolic demands due to higher water temperatures, in combination with decreasing amounts of food will be the main contributors to their decline ...
The Tropical Wet Forests are a Level I ecoregion of North America designated by the Commission for Environmental Cooperation (CEC) in its North American Environmental Atlas. As the CEC consists only of Mexico, the United States, and Canada, the defined ecoregion does not extend outside these countries to Central America nor the Caribbean.
Periophthalmidae. Mudskippers are any of the 23 extant species of amphibious fish from the subfamily Oxudercinae of the goby family Oxudercidae. [2] They are known for their unusual body shapes, preferences for semiaquatic habitats, limited terrestrial locomotion and jumping, and the ability to survive prolonged periods of time both in and out ...
[3] [29] Swimming near fishermen may increase the risk of attacks due to the commotion caused by struggling fish and the presence of bait in the water. [30] [31] Splashing attracts piranhas and for this reason children are more often attacked than adults. [29] Being in the water when already injured or otherwise incapacitated also increases the ...