Arter
- Neolamprologus pulcher Cichlider, Tanganyika - Huleleger
- Neolamprologus savoryi Cichlider, Tanganyika - Huleleger
- Neolamprologus schreyeni Cichlider, Tanganyika - Huleleger
- Neolamprologus sexfasciatus Cichlider, Tanganyika - Huleleger
- Neolamprologus signatus Cichlider, Tanganyika - Sneglehusleger
- Neolamprologus similis Cichlider, Tanganyika - Sneglehusleger
- Neolamprologus splendens Cichlider, Tanganyika - Huleleger
- Neolamprologus tetracanthus Cichlider, Tanganyika - Huleleger
- Neolamprologus toae Cichlider, Tanganyika - Huleleger
- Neolamprologus tretocephalus Cichlider, Tanganyika - Huleleger
- Neolamprologus variostigma Cichlider, Tanganyika - Huleleger
- Neolamprologus ventralis Cichlider, Tanganyika - Huleleger
- Neopetrolisthes maculata Saltvand, Invertebrater - Krabber
- Neopomacentrus azysron Saltvand, Fisk - Damsel
- Neothauma tanganyicense Cichlider, Tanganyika - Andet
- Neritina natalensis Ferskvand, Andre akvariedyr
- Nimbochromis fuscotaeniatus Cichlider, Malawi - Rovcichlide
- Nimbochromis linni Cichlider, Malawi - Rovcichlide
- Nimbochromis livingstonii Cichlider, Malawi - Rovcichlide
- Nimbochromis maculimanus Cichlider, Malawi - Rovcichlide
- Nimbochromis pardalis Cichlider, Malawi - Rovcichlide
- Nimbochromis polystigma Cichlider, Malawi - Rovcichlide
- Nimbochromis venustus Cichlider, Malawi - Rovcichlide
- Nomorhamphus celebensis Ferskvand, Diverse
- Nomorhamphus liemi Ferskvand, Diverse
- Nothobranchius guentheri Ferskvand, Tandkarper - æglæggende
- Nothobranchius rachovii Ferskvand, Tandkarper - æglæggende
- Notopterus notopterus Ferskvand, Diverse
- Notropis chrosomus Ferskvand, Karpe
- Nyassachromis boadzulu Cichlider, Malawi - Sandsild
- Nyassachromis breviceps Cichlider, Malawi - Sandsild
- Nyassachromis leuciscus Cichlider, Malawi - Fritsvømmer
- Nyassachromis microcephalus Cichlider, Malawi - Sandsild
- Nyassachromis nigritaeniatus Cichlider, Malawi - Sandsild
- Nyassachromis prostoma Cichlider, Malawi - Sandsild
- Nyassachromis purpurans Cichlider, Malawi - Sandsild
- Nyassachromis serenus Cichlider, Malawi - Sandsild
- Nyassachromis sp. "interruptus" Cichlider, Malawi - Sandsild
- Nyassachromis sp. "mpanga" Cichlider, Malawi - Sandsild
- Odontanthias borbonius Saltvand, Fisk - Anthias