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The ram cichlid (Mikrogeophagus ramirezi) is a species of freshwater fish endemic to the Orinoco River basin, in the savannahs of Venezuela and Colombia in South America. [3] The species has been examined in studies on fish behaviour [4] and is a popular aquarium fish, traded under a variety of common names, including ram, blue ram, German blue ram, Asian ram, butterfly cichlid, Ramirez's ...
Mikrogeophagus is a genus of cichlids native to the Llanos wetlands (Orinoco basin) and Guaporé–Mamoré river system (southern Amazon basin) in tropical South America. [2] They are dwarf cichlids that reach up to 6 cm (2.4 in) in standard length. [2] [3] They are popular with aquarists, especially M. ramirezi.
Although less popular than its close relative Mikrogeophagus ramirezi, the Bolivian ram remains a commonly encountered cichlid for the aquarium. [4] The species is also more tolerant of lower temperatures (22–26 °C (72–79 °F)) and a greater range of water conditions than M. ramirezi. [9]
Cichlids (/ ˈ s ɪ k l ɪ d z /) [a] are fish from the family Cichlidae in the order Cichliformes.Traditionally Cichlids were classed in a suborder, the Labroidei, along with the wrasses (), in the order Perciformes, [3] but molecular studies have contradicted this grouping. [4]
Pterophyllum is a small genus of freshwater fish from the family Cichlidae known to most aquarists as angelfish.All Pterophyllum species originate from the Amazon Basin, Orinoco Basin and various rivers in the Guiana Shield in tropical South America.
The male cockatoo dwarf cichlid reaches a body length of 8 centimetres. The female is considerably smaller, reaching only 5 centimetres. The body shape is long and of middle height and the mouth is rather big with thick lips. The male is more colorful than the female, usually with red/orange dorsal and caudal fins.
Ram cichlid: Short lived fish have particular value in genetic studies on aging. In particular, the ram cichlid is used in laboratory studies because of its ease of breeding and predictable aging pattern. [34] [35] Rougheye rockfish: Some of the longest living fishes are rockfish.
Herotilapia multispinosa (previously: Archocentrus multispinosus) also known as the rainbow cichlid is a Central American freshwater fish of the cichlid family. It is found on the Atlantic slope of Honduras, Nicaragua, and Costa Rica from Patuca River (Honduras) south to Matina River (Costa Rica), and on the Pacific slope of Nicaragua and Costa Rica from Guasaule River south to Tempisque River.