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Goldfish are able to survive short periods of entirely anoxic conditions. Survival is shorter under higher temperatures, suggesting that this is a cold weather adaptation. Researchers speculate that this is specifically an adaptation to survival in frozen water bodies over winter. Energy is obtained from liver glycogen.
Neither rain, nor snow, nor sleet nor hail shall keep the Bedford-Stuyvesant goldfish pond from welcoming curious visitors. Brooklyn’s viral fire-hydrant goldfish pond is as popular as ever ...
Fish from multiple groups can live out of the water for extended time periods. Amphibious fish such as the mudskipper can live and move about on land for up to several days, or live in stagnant or otherwise oxygen depleted water. Many such fish can breathe air via a variety of mechanisms. The skin of anguillid eels may absorb oxygen directly.
When adding goldfish to a new tank, it is important to place no more than two at a time [citation needed]. This allows helpful bacteria (which turn ammonia to nitrite and finally to nitrate) to grow. If introduced in too great a number before these bacteria grow, the goldfish will die from breathing in too much of their own untreated excrement ...
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A fish's hypoxia tolerance can be represented in different ways. A commonly used representation is the critical O 2 tension (P crit), which is the lowest water O 2 tension (P O 2) at which a fish can maintain a stable O 2 consumption rate (M O 2). [2]
A former ballerina was sentenced to 20 years in prison Tuesday in the 2020 shooting death of her estranged husband in Florida. CBS affiliate WTSP reports that Ashley Benefield was sentenced to 20 ...
The shared trait of breathing via gills in bony fish and cartilaginous fish is a famous example of symplesiomorphy. Bony fish are more closely related to terrestrial vertebrates, which evolved out of a clade of bony fishes that breathe through their skin or lungs, than they are to the sharks, rays, and the other cartilaginous fish. Their kind ...