Bottom-dwelling aquarium fish: U
All bottom dwellers whose common name starts with U, in alphabetical order. Each card links to its care guide.
6 species
Uaupes dwarf cichlid
Apistogramma uaupesi
Freshwater1.6 in (4 cm) · 15 gal (55 L)79–86°F (26–30°C)
Ufermann's benitochromis
Benitochromis ufermanni
Freshwater3.9 in (10 cm) · 42 gal (160 L)73–81°F (23–27°C)
Umbee cichlid
Kronoheros umbrifer
Freshwater21.7 in (55 cm) · 238 gal (900 L)75–84°F (24–29°C)
Underwoodi cichlid
Talamancaheros underwoodi
Freshwater11 in (28 cm) · 106 gal (400 L)75–84°F (24–29°C)
Upside-down catfish
Synodontis nigriventris
Freshwater3.9 in (10 cm) · 30 gal (115 L)75–82°F (24–28°C)Uruguayan eartheater
Gymnogeophagus australis
Freshwater6.1 in (15.5 cm) · 66 gal (250 L)61–79°F (16–26°C)
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