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In an enclosed tank habitat, the fish's territorial, aggressive nature is heightened, so don't house angelfish with shy species that are intimidated by pushy, boisterous fish. [44] 75–82 °F (25–28 °C) [44]
In Boulder, Colorado, white sucker fish found downstream of a municipal waste water treatment plant exhibit impaired or abnormal sexual development. The fish have been exposed to higher levels of estrogen, and leading to feminized fish. Males display female reproductive organs, and both sexes have reduced fertility, and a higher hatch mortality.
Marine debris, also known as marine litter, is human-created solid material that has deliberately or accidentally been released in seas or the ocean.Floating oceanic debris tends to accumulate at the center of gyres and on coastlines, frequently washing aground, when it is known as beach litter or tidewrack.
Fin Rot is a common bacterial infection affecting the fins of aquarium fish. It is characterized by the fraying, discoloration, and gradual degradation of the fish's fins, giving them a ragged appearance. If left untreated, the condition can progress from the fins to the body, leading to a more severe form known as body rot.
The clip of Burns driving a military tank in his campaign montage is similar to a clip featured in Michael Dukakis's 1988 United States presidential campaign, in which he can be seen driving a tank. A re-run of the episode that aired on June 25, 1992, included a new chalkboard gag in the opening credits that featured Bart writing "It's potato ...
Toxic waste is any unwanted material in all forms that can cause harm (e.g. by being inhaled, swallowed, or absorbed through the skin). Mostly generated by industry, consumer products like televisions, computers, and phones contain toxic chemicals that can pollute the air and contaminate soil and water.
The treatment of waste water issuing from raceway farms is a major concern. Fish fecal matter and uneaten feed are typically the major elements of solid waste produced in raceway aquaculture farms. These can adversely impact the environment in the receiving water body. Of particular environmental concern is the waste product phosphorus.
Facultative lagoons are waste stabilization ponds providing stable stratified habitat for both aerobic organisms near the surface and anaerobic organisms in deeper water. Infiltration basins are ponds designed to percolate their contents into groundwater though underlying permeable soils serving as a filter to remove solids and some dissolved ...