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As herbivores, hippos peacefully graze throughout the night, eating grasses and aquatic plants. However, they won’t hesitate to attack anything that threatens their space, food, or young.
Sea-Monkeys is a marketing term for brine shrimp (Artemia) sold as novelty aquarium pets. Developed in the United States in 1957 [1] by Harold von Braunhut, they are sold as eggs intended to be added to water, and most often come bundled in a kit of three pouches and instructions. Sometimes a small tank and additional pouches are included.
[107] [108] Starting in 2015, the Cincinnati Zoo built a US$73 million exhibit to house three adult hippos, featuring a 250,000 L (55,000 imp gal; 66,000 US gal) tank. Modern hippo enclosures also have a complex filtration system for the animal's waste, an underwater viewing area for the visitors, and glass that may be up to 9 cm (3.5 in) thick ...
Earthen raceways with plastic liners cost little and are easy to build, but cleaning and disinfecting them is difficult and plastic linings are fragile. Reinforced concrete is more expensive, but is durable and can be shaped in complex ways. Raceway tanks can also be built from polyester resin. These tanks have smooth walls, and are mobile and ...
A federal judge has given the U.S. Fish and Wildlife Service three more years to determine whether the common hippopotamus should be protected under the U.S. Endangered Species Act.
Seahorses can coexist with many species of shrimp and other bottom-feeding creatures. Gobies also make good tank-mates. Keepers are generally advised to avoid eels, tangs, triggerfish, squid, octopus, and sea anemones. [54] Water quality is very important for the survival of seahorses in an aquarium.
The mantis shrimp can see a spectrum of colors derived from 16 different hues. The closest we can get to seeing that many colors is by admiring the mantis shrimp's beauty. They come in vibrant ...
This is a list of invertebrates, animals without a backbone, that are commonly kept in freshwater aquaria by hobby aquarists.Numerous shrimp species of various kinds, crayfish, a number of freshwater snail species, and at least one freshwater clam species are found in freshwater aquaria or '0' salinity water body.