Aquarium Fish ∣ Detailed Guides to Choosing & Caring for Nano Species
Moderate
Osphronemid labyrinth fish
Betta imbellis, commonly called the peaceful fighting fish, is a small labyrinth fish from shallow, slow-moving waters of the Malay Peninsula and nearby parts of Sumatra. It is generally less combativ...
Moderate - Difficult
Large Central American cichlid
The Nicaraguan cichlid is a robust Central American species known for its changing gold, orange, blue and black patterning. It is often sold under the older name Cichlasoma nicaraguense, while Hypsoph...
Easy - Moderate
Peaceful freshwater labyrinth fish
The pearl gourami is a peaceful, labyrinth fish recognized by its pearly spots, dark midlateral stripe, and warm orange throat. It originates in vegetated, slow-moving waters of Southeast Asia and is ...
Moderate
Southeast Asian labyrinth fish
The moonlight gourami is a peaceful, laterally compressed labyrinth fish from mainland Southeast Asia. Its silvery body, long thread-like pelvic fins and calm, deliberate swimming make it a distinctiv...
Moderate
South American freshwater cichlid
The fish supplied is consistent with the keyhole cichlid, commonly listed as Aequidens maronii and currently placed by many authorities in the genus Cleithracara. It is a relatively peaceful South Ame...
Easy - Moderate
Freshwater labyrinth fish
The marble gourami, commonly sold as the Cosby gourami, is a selectively bred color form of the three-spot gourami, Trichopodus trichopterus. It is a labyrinth fish that can breathe atmospheric air an...
Easy - Moderate
Freshwater labyrinth fish
The marble gourami is a selectively bred color form of the three-spot gourami, a labyrinth fish from mainland and island Southeast Asia. The supplied trade label identifies these fish as a gold-orange...
Easy - Moderate
Small freshwater labyrinth fish
The honey gourami is a small, peaceful labyrinth fish suited to planted freshwater aquariums. The supplied source identifies a gold pair as Colisa chuna, an older name now generally treated as Trichog...
Easy - Moderate
Small freshwater labyrinth fish
The honey gourami is a small, peaceful labyrinth fish from the slow-moving waters of South Asia. Aquarium specimens may be natural honey-colored fish or selectively bred red and orange forms, like tho...
Easy - Moderate
Labyrinth fish; freshwater anabantoid
The blue gourami is a hardy labyrinth fish suited to a spacious, planted community aquarium. It is the blue color form of the three-spot gourami, a species that can become territorial, particularly wh...
Difficult
Lake Malawi predatory haplochromine cichlid
Nimbochromis venustus is a large predatory haplochromine cichlid from Lake Malawi, known in aquariums as the giraffe perch or giraffe cichlid. Juveniles are comparatively subdued, while adults develop...
Moderate
Small freshwater labyrinth fish
The dwarf gourami is a small labyrinth fish from vegetated, slow-moving waters of South Asia. Trichogaster lalius is generally peaceful, colorful and suitable for a planted community aquarium, althoug...
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...