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The oscar (Astronotus ocellatus) is a species of fish from the cichlid family known under a variety of common names, including tiger oscar, velvet cichlid, and marble cichlid. [2] In tropical South America, where the species naturally resides, A. ocellatus specimens are often found for sale as a food fish in the local markets.
Astronotus is a genus of South American fish from the family Cichlidae.There are two commonly recognized species in the genus (listed below), though genetic evidence suggests that additional species exist; several of these possibly distinct populations also have very different juvenile coloration from the two recognized species.
Unlike its close relative Parachromis managuensis, P. motaguensis isn't as commonly encountered in the aquarium trade. Although their visual appearance is very similar, the motaguensis (traded by many names, including Red tiger, Red dragon cichlid) displays an array of bright red dots, (hence the variants of the common name), which run along the flanks to the base of the caudal fin.
The Cichlid Room Companion (CRC) is a membership-based webpage dedicated to the fishes of the Cichlid family ().The site was launched in May 1996 and offers arguably the most comprehensive authoritative catalogue of cichlids on the web, which is illustrated with more than 25,000 photographs of fishes and 2,000 of habitats, as well as over 300 videos [1] of cichlids and their habitats.
Cichlids have a great variety of behaviors associated with substrate brooding, including courtship and parental care alongside the brooding and nest-building behaviors needed for pit spawning. Cichlids' behavior typically revolves around establishing and defending territories when not courting, brooding, or raising young.
The spotted tilapia (Pelmatolapia mariae [2]), also known as the spotted mangrove cichlid or black mangrove cichlid, is a species of fish of the cichlid family. [3] It is native to fresh and brackish water in West and Central Africa , [ 3 ] but has been introduced to other regions where it is considered invasive .
The convict cichlid (Amatitlania nigrofasciata) is a fish species from the family Cichlidae, native to Central America, [3] also known as the zebra cichlid. [4] Convict cichlids are popular aquarium fish [ 3 ] and have also been the subject of numerous studies on fish behaviour.
The largest species in the genus, the speckled peacock bass (C. temensis), reaches up to 13 kg (29 lb) in weight and 1 m (3.3 ft) in length, possibly making it the largest species of cichlid [16] (others suggest that record goes to the African giant cichlid, Boulengerochromis microlepis). [17] Other peacock bass species are smaller. [18]