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(sĭk`lĭd), common name for members of the family Cichlidae, more that 1,600 species of spiny-finned freshwater fishes of moderate or small size, native to Africa, S Asia, Mexico, and Central and South America. Cichlids are found in tropical waters. The larger species are food fish of some importance (e.g., the tilapiatilapia
or St. Peter's fish,
a spiny-finned freshwater fish of the family Cichlidae, native chiefly to Africa and the Middle East. Fish of the genera Oreochromis, Sarotherodon, and Tilapia,
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), and small, often very colorful species are popular as aquarium fish. Cichlids are noted for the care they give their young; the eggs are often laid in a basin hollowed in the sand and, the fertilized eggs or larvae are typically brooded in the mouth of either the male or the female, depending on the species. Cichlids are classified in the phylum ChordataChordata
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, subphylum Vertebrata, class Actinopterygii, order Perciformes, family Cichlidae.


See study by G. W. Barlow (2000).


(graphics, tool)
A tool for rapidly visualising arbitrary data in high-quality 3D, while allowing the viewer to explore and interact with the data in real time. Cichlid was designed with remote data generation and machine independence in mind; data is transmitted via TCP from any number of sources (data servers) to the visualisation code (the client), which displays them concurrently.

References in periodicals archive ?
The expression of these genes in natural populations of African cichlids is affected by genetic and environmental mechanisms in which populations of the same species may differ in expression even within small spatial scales (Smith et al., 2011).
Hypoxia tolerance in twelve species of east African cichlids: potencial for low oxygen refugia in Lake Victoria.
At North Side, customers can expect to find all sorts of fresh and saltwater fish, including African cichlids. The 1,800-SF store also offers a variety of tanks, food, equipment, vitamins and lots of experience.
The animal lineages include cicindelid beetles, Hawaiian Drosophila, North American Daphnia, Caribbean Anolis lizards, African cichlids, British Columbian sticklebacks and other lake fishes, Old World fruitbats, New World monkeys, post-Gondwanaland marsupials, and post-paleozoic echinoids.
What would a recent species flock (such as the African cichlids) look like, phylogenetically, several million years from now.9 Although we cannot predict the future, an analogous question can be posed by looking backward in time: What phylogenetic footprints might characterize an ancient species flock viewed today?
And there's plenty of running water; from the colorful tile "waterfall" that greets visitors in the foyer to the pyramid-shaped oriental fountain in the living room to the huge aquarium filled with African cichlids that separates the foyer and the enclosed patio.
By collecting cichlid fish DNA and then sequencing more than 500 selected fish genes via cutting-edge genomic sequencing techniques, the research team was able to establish new evolutionary trees for the East African cichlids and explain why new species sometimes appear in bursts.
When East African cichlids were evaluated, the bmp4 gene could be found mainly associated with species that have undergone a rapid speciation and a high replacement rate (PUEBLA, 2009).
Biological versatility, evolution and food resource exploitation in African cichlids fishes.
coli but also Darwin's finches, three-spined sticklebacks, African cichlids, apple and hawthorn maggot flies, naked mole rats, and more.
Researchers have nearly unanimously concluded that animals are adapted for exploiting resources relied upon during periods of food scarcity (e.g., British finches [Newton 1967, 1972], North American shorebirds [Baker and Baker 1973], African cichlids [McKaye and Marsh 1983], Central American cichlids [Liem and Kaufman 1984], Darwin's finches [Schluter and Grant 1984; Grant 1986], African seedcrackers [Smith 1990, 1991]; but see Greenberg 1979, 1981).

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