Goldhead Nannacara Care Guide - Aquarium Setup, Diet & Breeding

The Goldhead Nannacara is a small, relatively uncommon South American dwarf cichlid named for the warm golden colour that develops across the male’s head and upper body. Males have an elongated shape and can display blue-green iridescence, dark markings and strongly contrasting fins, while females remain smaller and may become particularly dark when guarding a brood.

This species is alert and intelligent, spending much of its time exploring the lower and middle areas of the aquarium. It is not a shoaling fish, but it has the engaging territorial behaviour typical of dwarf cichlids and may investigate anything that enters its range.

In the wild, Goldhead Nannacaras inhabit slow-moving, heavily vegetated waters in the Guianan rainforest. Fallen leaves, submerged roots and shaded banks provide cover, while the surrounding forest can tint the water with tannins.

Like many small cichlids, they form temporary breeding territories rather than living in large permanent groups. Their rarity in the aquarium hobby makes them an especially interesting choice for keepers who enjoy observing natural courtship, parental care and individual personality.

The Goldhead Nannacara is native to Guyana in northern South America, where it occurs in the Essequibo River drainage. It is associated with quiet forest streams and small tributaries, often among leaf litter, roots and submerged vegetation.

A pair should be kept in an aquarium of at least 60 litres, with a footprint of approximately 60 x 30 cm; a larger tank is advisable for a community setup or when keeping more than one female. Use fine sand or smooth small-grain substrate, along with dense planting, driftwood, leaf litter, rockwork and several caves or shaded retreats. Gentle filtration, subdued lighting and open areas for foraging suit their forest-stream lifestyle, while floating plants can provide additional cover. Secure territorial boundaries and broken sightlines are particularly important during breeding.

Males reach a maximum of about 8 cm (3.1 inches), while females are usually smaller at around 5 cm (2 inches).

Offer a varied diet of quality small pellets or granules supplemented with frozen or live foods such as daphnia, brine shrimp, bloodworm and mosquito larvae. Their natural diet includes small aquatic invertebrates and other tiny prey, so occasional live or frozen foods help maintain condition and encourage natural feeding behaviour. Feed small portions once or twice daily, removing uneaten food promptly.

Goldhead Nannacaras can be kept with peaceful, similarly sized South American community fish such as pencilfish, small tetras, hatchetfish and peaceful Corydoras. Small, calm rasboras may also work in suitable water conditions. Avoid boisterous fish, fin-nippers and large or aggressive cichlids, as well as other territorial dwarf cichlids in a modest-sized aquarium. During breeding, a pair may defend a substantial area and can become noticeably more assertive towards tankmates.

Goldhead Nannacaras are cave-spawning dwarf cichlids. Provide a small cave, overturned flowerpot or similar sheltered site, where the female can attach her eggs to the roof or walls. The female usually guards the eggs and fry, while the male may defend the surrounding territory. Keep the water clean and offer finely crushed food or newly hatched brine shrimp to the free-swimming fry. A bonded pair is preferable, as males can become aggressive towards females outside the breeding period.

Males are larger, more elongated and generally more colourful, developing a distinctive golden head with blue-green iridescence and more extended fins. Females are smaller and stockier, with subtler colouration, although a breeding female may become very dark with contrasting pale markings.