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Protein skimmer. A protein skimmer or foam fractionator is a device used to remove organic compounds such as food and waste particles from water. It is most commonly used in commercial applications like municipal water treatment facilities, public aquariums, and aquaculture facilities.
Orthetrum villosovittatum, known as the fiery skimmer, [3] is a species of dragonfly in the family Libellulidae. [ 4 ] [ 5 ] Its range is from the Moluccas , New Guinea and neighbouring islands as well as Australia. [ 6 ]
The great blue skimmer (Libellula vibrans) is a dragonfly of the skimmer family. With a total length of 50 to 63 millimetres (2.0 to 2.5 in), it is one of the largest skimmers. The immature forms of the skimmer are brown in color and mature forms are blue-hued.
The keeled skimmer (Orthetrum coerulescens) is a species of dragonfly belonging to the family Libellulidae. [2] Distribution.
A spherical airstone at the Osaka Aquarium alongside a trio of red stingray pups, Hemitrygon akajei. An airstone, also called an aquarium bubbler, is a piece of aquarium furniture, traditionally a piece of limewood or porous stone, whose purpose is to gradually diffuse air into the tank, eliminating the noise and large bubbles of conventional air filtration systems, and providing other ...
The roseate skimmer (Orthemis ferruginea) is a species of dragonfly in the family Libellulidae. It is native to the Americas, where its distribution extends from the United States to Brazil. It is common and widespread. [1] It is an introduced species in Hawaii. [2] The male of the species has a rose pink and red abdomen. The female has an ...