All aquarium species: U

All species whose common name starts with U, in alphabetical order. Each card links to its care guide.

14 species

Uaru cichlid
Uaru amphiacanthoides
Freshwater
11.8 in (30 cm) · 65 gal (245 L)81–86°F (27–30°C)
Uaupes dwarf cichlid
Apistogramma uaupesi
Freshwater
1.6 in (4 cm) · 15 gal (55 L)79–86°F (26–30°C)
Uberis betta
Betta uberis
Freshwater
1.4 in (3.6 cm) · 11 gal (40 L)73–81°F (23–27°C)
Ufermann's benitochromis
Benitochromis ufermanni
Freshwater
3.9 in (10 cm) · 42 gal (160 L)73–81°F (23–27°C)
Ulrey's tetra
Hemigrammus ulreyi
Freshwater
1.7 in (4.4 cm) · 20 gal (75 L)72–81°F (22–27°C)
Umbee cichlid
Kronoheros umbrifer
Freshwater
21.7 in (55 cm) · 238 gal (900 L)75–84°F (24–29°C)
Umbrella cichlid
Apistogramma borellii
Freshwater
2.6 in (6.5 cm) · 18 gal (70 L)68–79°F (20–26°C)
Umbrella mushroom
Discosoma neglecta
Saltwater
5.9 in (15 cm) · 11 gal (40 L)75–81°F (24–27°C)
Undata montipora
Montipora undata
Saltwater
11.8 in (30 cm) · 26 gal (100 L)75–81°F (24–27°C)
Underwoodi cichlid
Talamancaheros underwoodi
Freshwater
11 in (28 cm) · 106 gal (400 L)75–84°F (24–29°C)
Undulated triggerfish
Balistapus undulatus
Saltwater
11.8 in (30 cm) · 180 gal (680 L)75–81°F (24–27°C)
Unicorn tetra
Erythrocharax altipinnis
Freshwater
1.3 in (3.3 cm) · 14 gal (54 L)75–82°F (24–28°C)
Upside-down catfish
Synodontis nigriventris
Freshwater
3.9 in (10 cm) · 30 gal (115 L)75–82°F (24–28°C)
Uruguayan eartheater
Gymnogeophagus australis
Freshwater
6.1 in (15.5 cm) · 66 gal (250 L)61–79°F (16–26°C)

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