Beginner – IntermediateBolivian Ram Cichlid
Mikrogeophagus altispinosus
- Adult size
- up to 8 cm
- Aquarium size
- 120 L or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 23–25 °C
Aquarium Fish Database
Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.
Beginner – Intermediate
IntermediateBonti Rainbowfish
Telmatherina bonti
- Adult size
- up to 8 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–24 °C
IntermediateBonylip Barb
Osteocheilus vittatus
- Adult size
- up to 32 cm
- Aquarium size
- 300 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–26 °C
Beginner – IntermediateBorneo Red Fin Silver Shark
Cyclocheilichthys janthochir
- Adult size
- up to 20 cm
- Aquarium size
- 240 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 21–26 °C
Intermediate – AdvancedBorneo Redline Halfbeak
Hemirhamphodon tengah
- Adult size
- up to 6 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Top swimmer
- Temp
- 24–27 °C
Beginner – IntermediateBoulenger’s Featherfin Tetra
Bryconaethiops boulengeri
- Adult size
- up to 25 cm
- Aquarium size
- 300 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–26 °C
Beginner – IntermediateBrevirostris Corydoras
Corydoras brevirostris
- Adult size
- up to 5 cm
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 20–26 °C
IntermediateBrichard’s Slender Cichlid
Teleogramma brichardi
- Adult size
- up to 10 cm
- Aquarium size
- 200 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Bottom dweller
- Temp
- 20–23 °C
Beginner – IntermediateBristlenose Plecostomus
Ancistrus cirrhosus
- Adult size
- up to 13 cm
- Aquarium size
- 160 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–27 °C
IntermediateBrittanichthys Axelrodi Tetra
Brittanichthys axelrodi
- Adult size
- up to 3 cm
- Aquarium size
- 30 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 24–27 °C
Beginner – IntermediateBrittans Rasbora
Kottelatia brittan
- Adult size
- up to 5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–26 °C
Beginner – IntermediateBroadstripe Shiner
Pteronotropis euryzonus
- Adult size
- up to 7 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 12–17 °C
Beginner – IntermediateBroken Line Tetra
Hemigrammus ulreyi
- Adult size
- up to 5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–26 °C
Beginner – IntermediateBronze Corydoras Var Longfin
Corydoras aeneus
- Adult size
- up to 7 cm
- Aquarium size
- 100 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 23–26 °C
Beginner – IntermediateBrown Fork Tail Loach
Vaillantella cinnamomea
- Adult size
- up to 5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–26 °C
Intermediate – AdvancedBrown Ghost Knifefish
Apteronotus leptorhynchus
- Adult size
- up to 20 cm
- Aquarium size
- 240 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Bottom dweller
- Temp
- 24–28 °C
Intermediate – AdvancedBucktooth Tetra
Exodon paradoxus
- Adult size
- up to 12 cm
- Aquarium size
- 200 L or larger
- Temperament
- Aggressive
- Zone
- Middle to top swimmer
- Temp
- 22–27 °C
BeginnerBuenos Aires Tetra
Hyphessobrycon anisitsi
- Adult size
- up to 7 cm
- Aquarium size
- 120 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Middle to top swimmer
- Temp
- 17–28 °C
Intermediate – AdvancedBumblebee Goby
Brachygobius doriae
- Adult size
- up to 4 cm
- Aquarium size
- 120 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 22–26 °C
Intermediate – AdvancedBumblebee Otocinclus
Rhinotocinclus isabelae
- Adult size
- up to 2 cm
- Aquarium size
- 30 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–26 °C
Beginner – IntermediateBurgess Corydoras
Corydoras burgessi
- Adult size
- up to 5.5 cm
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 20–28 °C
Intermediate – AdvancedBurmese Spotted Snakehead
Channa ornatipinnis
- Adult size
- up to 25 cm
- Aquarium size
- 300 L or larger
- Temperament
- Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 12–25 °C
Intermediate – AdvancedButterfly Barb
Barbus hulstaerti
- Adult size
- up to 3.5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 16–23 °C
Intermediate – AdvancedButterfly Peacock Bass
Cichla ocellaris
- Adult size
- up to 75 cm
- Aquarium size
- 900 L or larger
- Temperament
- Aggressive
- Zone
- Middle swimmer
- Temp
- 24–29 °C
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