Aquarium Fish ∣ Detailed Guides to Choosing & Caring for Nano Species
Difficult
Lake Tanganyika rock-dwelling cichlid
The five-bar cichlid, also called the five-striped cichlid, is a robust Lake Tanganyika predator with a dark blue-gray body marked by five broad black bars. Neolamprologus tretocephalus is territorial...
Moderate
West African killifish
Gardner’s splendid carp is a small West African killifish valued for its iridescent body, red markings and patterned fins. The supplied image appears to show a brightly colored male, while the source ...
Moderate
West African dwarf cichlid
Pelvicachromis taeniatus, commonly known as the striped krib or taeniatus cichlid, is a small West African riverine cichlid valued for its parental behavior and locality-based color variation. “Nigeri...
Moderate
South American dwarf cichlid
Apistogramma agassizii is a small South American cichlid valued for its intricate markings, elongated fins and interesting parental behavior. “Fire Red” is a selectively bred aquarium color form rathe...
Easy - Moderate
South American dwarf cichlid
The Cockatoo Cichlid is a small South American dwarf cichlid known for its elongated dorsal fin, bold facial markings and colorful orange fin forms. Apistogramma cacatuoides comes from slow-moving wat...
Easy - Moderate
Asian labyrinth fish
The red dwarf gourami is a selectively bred color form of the dwarf gourami, a small labyrinth fish formerly widely known as Colisa lalia. It is suited to mature, planted community aquariums with gent...
Moderate
South American dwarf cichlid
The Cockatoo Cichlid is a small South American dwarf cichlid valued for its personality, breeding behavior and colorful finnage. Apistogramma cacatuoides is generally adaptable when provided with clea...
Difficult
South American freshwater cichlid
Symphysodon aequifasciatus is a large, laterally compressed cichlid from the Amazon Basin, valued for its calm behavior and striking disc-shaped body. It requires warm, clean, stable water and careful...
Moderate
West African non-annual killifish
The Cape Lopez killifish is a small, peaceful West African freshwater fish prized for its patterned body, flowing fins and manageable size. It inhabits slow-moving and temporary waters around coastal ...
Moderate
East African haplochromine cichlid
Burton’s mouthbrooder, Astatotilapia burtoni, is a moderately aggressive East African haplochromine cichlid known for strong social hierarchies and maternal mouthbrooding. Males become more vividly pa...
Moderate
Lake Malawi haplochromine cichlid
Cyrtocara moorii is a large, distinctive haplochromine cichlid from Lake Malawi, recognised for its blue adult coloration and rounded forehead, which becomes more pronounced with age. It is a maternal...
Easy - Moderate
Peaceful labyrinth fish
The blue dwarf gourami is a selectively colored form of a small labyrinth fish native to the Indian subcontinent. It spends much of its time in the upper and middle aquarium, using its specialized lab...
Moderate
South American freshwater cichlid
The supplied label identifies these fish as Blue Acara, Aequidens pulcher, a South American freshwater cichlid often placed in the genus Andinoacara in current aquarium literature. The photograph is c...
Moderate
Lake Tanganyika rock-dwelling cichlid
Julidochromis transcriptus is a small rock-dwelling cichlid from Lake Tanganyika, recognized by its compact, elongated body and irregular black-and-white pattern. It is a territorial cave dweller that...
Moderate
Lake Malawi haplochromine cichlid
The Azur cichlid is commonly sold as Sciaenochromis fryeri, a predatory haplochromine cichlid from Lake Malawi. Mature males develop vivid electric-blue coloration, while females and juveniles are gen...
Moderate
South American freshwater cichlid
The marble angelfish is a captive-bred color form of Pterophyllum scalare, a tall-bodied South American cichlid valued for its elegant fins and distinctive irregular black patterning. It needs a matur...