Bottom-dwelling aquarium fish: N
All bottom dwellers whose common name starts with N, in alphabetical order. Each card links to its care guide.
22 species

Nain dwarf cory
Gastrodermus nanus
Freshwater1.8 in (4.5 cm) · 16 gal (60 L)72–79°F (22–26°C)
Nan River loach
Hemimyzon nanensis
Freshwater2.8 in (7 cm) · 24 gal (90 L)64–75°F (18–24°C)
Nano cory
Gastrodermus gracilis
Freshwater1.4 in (3.5 cm) · 12 gal (45 L)72–79°F (22–26°C)
Napo cory
Gastrodermus napoensis
Freshwater2 in (5 cm) · 16 gal (60 L)72–79°F (22–26°C)
Narrow-fronted tandan
Neosilurus ater
Freshwater17.7 in (45 cm) · 119 gal (450 L)70–82°F (21–28°C)
Neambi eartheater
Geophagus neambi
Freshwater9.4 in (24 cm) · 119 gal (450 L)77–84°F (25–29°C)
Neon golden-stripe shark
Sarcocheilichthys parvus
Freshwater3.5 in (9 cm) · 30 gal (112 L)61–75°F (16–24°C)
Nguti cichlid
Etia nguti
Freshwater6.3 in (16 cm) · 66 gal (250 L)73–81°F (23–27°C)
Nicaragua cichlid
Hypsophrys nicaraguensis
Freshwater9.8 in (25 cm) · 75 gal (285 L)73–82°F (23–28°C)
Night aulonocara
Aulonocara hueseri
Freshwater3.9 in (10 cm) · 63 gal (240 L)75–81°F (24–27°C)
Nigrodorsalis benitochromis
Benitochromis nigrodorsalis
Freshwater3.7 in (9.5 cm) · 42 gal (160 L)73–81°F (23–27°C)
Nigrofasciatus pelmatochromis
Pelmatochromis nigrofasciatus
Freshwater5.5 in (14 cm) · 66 gal (250 L)73–81°F (23–27°C)
Nijssen's cory
Gastrodermus nijsseni
Freshwater1.8 in (4.5 cm) · 16 gal (60 L)72–79°F (22–26°C)
Nile bichir
Polypterus bichir
Freshwater27.6 in (70 cm) · 185 gal (700 L)77–84°F (25–29°C)
Nile bottlenose mormyrid
Mormyrus kannume
Freshwater35.4 in (90 cm) · 185 gal (700 L)75–82°F (24–28°C)
Nilgiri loach
Schistura nilgiriensis
Freshwater2.4 in (6 cm) · 20 gal (75 L)64–75°F (18–24°C)
Ninja tatia
Centromochlus musaicus
Freshwater2.4 in (6 cm) · 21 gal (80 L)73–82°F (23–28°C)
Nocturnal panaqolus
Panaqolus nocturnus
Freshwater4.7 in (12 cm) · 30 gal (112 L)75–84°F (24–29°C)
Norbert's dwarf cichlid
Apistogramma norberti
Freshwater2 in (5 cm) · 16 gal (60 L)75–82°F (24–28°C)
Northern blue melanochromis
Melanochromis kaskazini
Freshwater5.1 in (13 cm) · 66 gal (250 L)75–82°F (24–28°C)
Northern longnose cory
Corydoras septentrionalis
Freshwater2.4 in (6 cm) · 20 gal (75 L)75–82°F (24–28°C)
Nsess cichlid
Stomatepia mariae
Freshwater5.5 in (14 cm) · 66 gal (250 L)73–81°F (23–27°C)
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