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Aulonocara is a genus of haplochromine cichlids endemic to Lake Malawi in East Africa. All Aulonocara species are maternal mouth brooders. Particularly in the aquarium hobby, Aulonocara species are also known as peacock cichlids, aulonocaras or simply "peacocks". This genus is strongly sexually dichromic, even by haplochromine standards.
Of the African cichlids, the West African or Lake Tanganyika cichlids are the most basal. [71] [76] Cichlids' common ancestor is believed to have been a spit-spawning species. [77] Both Madagascar and Indian cichlids retain this feature. However, of the African cichlids, all extant substrate brooding species originate solely from Lake Tanganyika.
The flavescent peacock (Aulonocara stuartgranti), also known as Grant's peacock, is a species of haplochromine cichlid. Its common name refers to its "flavescent" (yellowish) colour. It is endemic to Lake Malawi where found in the countries of in Malawi , Mozambique , and Tanzania .
C. temensis resembles other peacock bass species, but is generally more elongate and slender in body shape. [2] It is one of the largest cichlids in the world, reaching a maximum recorded length of 99 centimetres (39 in) and 12.2 kg (27 lb) in weight, [3] [4] with only the African giant cichlid (Boulengerochromis microlepis) possibly reaching similar proportions. [5]
Males reach a length up to 90 cm (3.0 ft) and females up to 75 cm (2.5 ft), possibly making it the largest extant species of cichlid; [5] only the speckled peacock bass (Cichla temensis) of South America attains similar sizes as an adult. [6]
The Nkhomo-benga peacock inhabits sandy areas interspersed with rocks where it hunts small invertebrates, [3] which are detected in the sand using enlarged cephalic pores. [1] Feeding may be by sifting the substrate in its mouth or by using a more active predatory method where it watches the substrate for movement and grabs the prey item. [2]