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A humanoid figurine with pins stuck into it: this was one method by which cunning folk battled witches using magical means. Artifact at the Museum of Witchcraft and Magic in Cornwall, England. The term Voodoo doll commonly refers to an effigy that is typically used for the insertion of pins. [1] Such practices are found in various forms in the ...
TetraMin. Aquarium fish feed is plant or animal material intended for consumption by pet fish kept in aquariums or ponds. Fish foods normally contain macronutrients, trace elements and vitamins necessary to keep captive fish in good health. Approximately 80% of fishkeeping hobbyists feed their fish exclusively prepared foods that most commonly ...
Infusoria is a word used to describe various freshwater microorganisms, including ciliates, copepods, euglenoids, planktonic crustaceans, protozoa, unicellular algae and small invertebrates. Some authors (e.g., Bütschli) have used the term as a synonym for Ciliophora. In modern, formal classifications, the term is considered obsolete; the ...
Zacco platypus. The pale chub (Zacco platypus), also known as pale bleak or fresh-water sprat, is one of the most extensively distributed Asiatic cyprinids and is found in Korea, Japan, Taiwan, and most of Southeast China. [2] This species of fish is native to freshwater rivers and mountainous streams from northern China and Korea to northern ...
Labrus jaculator. Shaw, 1803. The archerfish (also known as spinner fish or archer fish) or Toxotidae are a monotypic family (although some include a second genus) of perciform tropical fish known for their unique predation technique of "shooting down" land-based insects and other small prey with jets of water spit from their specialized mouths.
These fish are best kept with live or frozen feed and they easily outgrow the tank within eight to ten months. An aquarium with the minimum diameter of 6 by 3.5 feet (1.8 by 1.1 m) and 300 US gallons (1,100 L; 250 imp gal) is suggested as a bare minimum but 400–800 US gallons (1,500–3,000 L; 330–670 imp gal) is the best way to go. [ 9 ]
The neon tetra (Paracheirodon innesi) is a freshwater fish of the characin family (family Characidae) of order Characiformes. The type species of its genus, it is native to blackwater and clearwater streams in the Amazon basin of South America. [2][3] Its bright colouring makes the fish visible to conspecifics in the dark blackwater streams, [4 ...
Refugium (fishkeeping) A refugium in an all-in-one aquarium. In fishkeeping, a refugium is an appendage to a marine, brackish, or freshwater fish tank that shares the same water supply. It is a separate sump, connected to the main show tank. [1] It is a "refugium" in the sense that it permits organisms to be maintained that would not survive in ...