Aquarium fish feeders are electric or electronic devices that are designed to feed aquarium fish at regular intervals.
 They are often used to feed fish when the aquarist is on vacation or is too busy to maintain a regular feeding schedule.
Aquarium fish feed is plant or animal material intended for consumption by pet fish kept in aquariums or ponds.
 Fish foods normally contain macro nutrients, 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 are produced in flake, pellet or tablet form.
 Pelleted forms, some of which sink rapidly, are often used for larger fish or bottom feeding species such as loaches or catfish.
 Some fish foods also contain additives such as sex hormones or beta carotene to artificially enhance the color of ornamental fish.
Reason is an American libertarian monthly magazine published by the Reason Foundation.
 The magazine has a circulation of around 50,000 and was named one of the 50 best magazines in 2003 and 2004 by the "Chicago Tribune".
Live-bearing aquarium fish, often simply called livebearers, are fish that retain the eggs inside the body and give birth to live, free-swimming young.
 Among aquarium fish, livebearers are nearly all members of the Poeciliidae family and include guppies, mollies, platies and swordtails.
Neolamprologus brichardi is a species of cichlid endemic to the alkaline waters of Lake Tanganyika in East Africa.
 It is a popular aquarium fish kept in the fishkeeping hobby, where it is known under a variety of common names including Princess cichlid, Princess of Burundi, Lyretail cichlid, Fairy cichlid and Brichard's lamprologus.
 In addition, the species is also the subject of numerous studies on fish behaviour.
 It is closely related to "N. pulcher" from the southern half of Lake Tanganyika ("N. brichardi" is more widespread) and some have recommended merging the two into a single species.
Aquarium fish clubs or aquarium societies are social rather than academic associations for fishkeepers.
 They are to be found around the world.
 Some clubs include members in all the different aspects of the hobby, while others concentrate on one particularly field, such as cichlids or marine fishkeeping.
 The first aquarium society ever formed was the "Gotha Aquarium" in Germany, founded in 1882.
 The oldest continuous aquarium club still in existence is the Boston Aquarium Society, founded in 1916.
 A Brooklyn Aquarium Society in New York City founded in 1911, but disbanded mid-century, and later reformed in the 1950s with the same name.
The orange clownfish ("Amphiprion percula") is widely known as a popular aquarium fish.
 Like other clownfishes (also known as anemonefishes), it often lives in association with sea anemones. "A. percula" is associated specifically with "Heteractis magnifica" and "Stichodactyla gigantea", and as larva use chemical cues released from the anemones to identify and locate the appropriate host species to use them for shelter and protection.
 This causes preferential selection when finding their anemone host species.
 Although popular, maintaining this species in captivity is rather complex.
 The Great Barrier Reef Marine Park Authority regulates the number of collection permits that are issued to aquarium fish dealers who seek this, and other tropical fish within the Great Barrier Reef Marine Park.
In fishkeeping, suitable species of aquarium fish, plants and other organisms vary with the size, water chemistry and temperature of the aquarium.
"Aquarium Fish International" (AFI) was a North American monthly magazine, published by BowTie Inc. of Irvine, California, and dedicated to freshwater and saltwater fishkeeping and the aquarium/fishkeeping hobby in general.
Jack Dempsey cichlids ("Rocio octofasciata") are aggressive aquarium fish named after the heavyweight boxer Jack Dempsey.
 They are native to Central America but were discovered in a flooded quarry in New South Wales (NSW) Australia in 2004.
 Although efforts were made to eradicate them in 2004 and 2005, the fish remain.
 Jack Dempsey cichlids are one of about 30 aquarium fish species that have become established in Australian waterways, and have been shown to have a significant impact on Australian aquatic ecosystems.
 They highlight the importance of preventing the importation of invasive fish species because they are extremely difficult or impossible to eradicate once they become established in the wild.

Question: Which is dedicated to fishkeeping, Reason or Aquarium Fish International?
Answer: Aquarium Fish International