cichlid


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cichlid

(sĭk`lĭd), common name for members of the family Cichlidae, several hundred 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, and small species are popular as aquarium fish. Cichlids are noted for the care they give their young; the eggs are laid in a basin hollowed in the sand and, until they hatch, are stored in the mouth of either the male or the female, depending on the species. Cichlids are classified in the phylum ChordataChordata
, phylum of animals having a notochord, or dorsal stiffening rod, as the chief internal skeletal support at some stage of their development. Most chordates are vertebrates (animals with backbones), but the phylum also includes some small marine invertebrate animals.
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, subphylum Vertebrata, class Actinopterygii, order Perciformes, family Cichlidae.

Bibliography

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

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References in periodicals archive ?
Clearly, by all available evidence the cichlid species flock in Lake Victoria has arisen recently, within the last few thousand years.
The relative abundance of major taxa (CPUE summed across species for each major taxon, divided by total CPUE) was predictably related to the transparency gradient; the relative abundances of characiforms, cichlids, and clupeomorphs were highest in clear lakes, whereas catfishes, knifefishes, and other taxa (mostly the sciaenid Plagioscion squamosissimus, a piscivorous croaker) were most abundant in turbid lakes (Fig.
The resulting sounds vary in timbre, number of pulses and intervals of dead space to produce the low growl of the cichlids, the chirp of the domino damselfish, the croak of the croaking gourami.
These 13 landmarks have previously been used in geometric morphometric analyses of bodyshape variation in Neotropical cichlids including the studied species (McMahan et al.
Effect of natural pigment sources on colouration of cichlid (Cichlasoma severum sp.
Native cichlid showed a linear growth over time, slowly increasing its biomass compared with tilapia (Fig.
In contrast, a territorial, intact cichlid fish can be demoted simply by placing him into a tank with a larger territorial male; and a nonterritorial cichlid fish can be promoted by putting him into a tank with females and smaller male fish.
76) were lower than those registered by Chukwuemeka, Tsadu, Ayanwale, Erhabor, and Falusi (2014) in Tilapia aurea, Tilapia galileae and Auchenoglanius occidentalis and lower than those reported by Anene (2005) in four cichlid fishes (4.
54 cm diameter) were placed to provide shelter for the fish at the possibility of the emergence of aggressive behavior typical of species in the cichlid family (Grant et al.
Histochemical study on the intestine goblet cells in cichlid and poecilid species (Teleostei).
The 'littoral' cichlid is yellow and prefers shallower water, while the "benthic' cichlid is blue and prefers a deeper habitat.