Fish
Peacock Cichlid
Aulonocara nyassae · also called peacock cichlids, nyassa peacock cichlid
Hovering just above open sand on Lake Malawi’s floor, a peacock cichlid reads the faint tremors of hidden prey through sensory pores across its head, a hunting method built for feel rather than sight in the lake’s shifting, sun-dappled shallows.
Overview
The peacock cichlid, Aulonocara nyassae, is a sand-hunting fish endemic to Lake Malawi in East Africa. Its enlarged sensory pores for detecting buried prey, vivid iridescent blue-and-orange breeding colouration in males, and maternal mouthbrooding breeding strategy make it one of the most distinctive and popular groups of Lake Malawi cichlids kept in aquariums worldwide.
Hunting by feel, not just sight
While many cichlids rely primarily on vision to locate food, the peacock cichlid’s enlarged sensory pores let it detect small invertebrates hidden beneath open sand, a specialised hunting adaptation suited to the shifting sandy zones of its lake habitat.
Status
Least Concern, though restricted entirely to Lake Malawi, where it remains present across suitable sandy shoreline habitat.
Peacock Cichlid: common questions
What are the enlarged pores on a peacock cichlid's head for?
This species has noticeably enlarged sensory pores across the head, part of a system used to detect the faint movements of small invertebrates buried in sand, an adaptation that lets it hunt effectively even in low light or turbid water where sight alone would be less reliable.
How did the peacock cichlid get its name?
Males of this species display vivid iridescent blue body colouring paired with orange or yellow fins during breeding, a striking and varied combination of colours across the wider group that gives rise to the common "peacock" name applied to these Lake Malawi cichlids.
How does the peacock cichlid hunt for food?
This species hunts by hovering close to open sandy areas of the lake floor, using its enlarged sensory pores to detect small invertebrates hidden just beneath the surface before digging them out, a specialised feeding style suited to Lake Malawi's open sandy zones.
How does the peacock cichlid protect its young?
Females of this species are maternal mouthbrooders, carrying fertilised eggs and newly hatched young inside the mouth for protection through much of early development, a breeding strategy shared with many other cichlids native to Lake Malawi.