Beginner – IntermediateBrittans Rasbora
Kottelatia brittan
- Adult size
- ≤ 5 cm (≤ 2 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–26 °C
Aquarium Fish Database
Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.
Beginner – Intermediate
Beginner – IntermediateBroadstripe Shiner
Pteronotropis euryzonus
- Adult size
- ≤ 7 cm (≤ 2.8 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 12–17 °C
Beginner – IntermediateBroken Line Tetra
Hemigrammus ulreyi
- Adult size
- ≤ 5 cm (≤ 2 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–26 °C
Beginner – IntermediateBronze Corydoras Var Longfin
Corydoras aeneus
- Adult size
- ≤ 7 cm (≤ 2.8 in)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 23–26 °C
Beginner – IntermediateBrown Fork Tail Loach
Vaillantella cinnamomea
- Adult size
- ≤ 5 cm (≤ 2 in)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–26 °C
Intermediate – AdvancedBrown Ghost Knifefish
Apteronotus leptorhynchus
- Adult size
- ≤ 20 cm (≤ 7.9 in)
- Temperament
- Semi-Aggressive
- Zone
- Bottom dweller
- Temp
- 24–28 °C
Intermediate – AdvancedBucktooth Tetra
Exodon paradoxus
- Adult size
- ≤ 12 cm (≤ 4.7 in)
- Temperament
- Aggressive
- Zone
- Middle to top swimmer
- Temp
- 22–27 °C
BeginnerBuenos Aires Tetra
Hyphessobrycon anisitsi
- Adult size
- ≤ 7 cm (≤ 2.8 in)
- Temperament
- Semi-Aggressive
- Zone
- Middle to top swimmer
- Temp
- 17–28 °C
Intermediate – AdvancedBumblebee Goby
Brachygobius doriae
- Adult size
- ≤ 4 cm (≤ 1.6 in)
- Temperament
- Semi-Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 22–26 °C
Intermediate – AdvancedBumblebee Otocinclus
Rhinotocinclus isabelae
- Adult size
- ≤ 2 cm (≤ 0.8 in)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–26 °C
Beginner – IntermediateBurgess Corydoras
Corydoras burgessi
- Adult size
- ≤ 5.5 cm (≤ 2.2 in)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 20–28 °C
Intermediate – AdvancedBurmese Spotted Snakehead
Channa ornatipinnis
- Adult size
- ≤ 25 cm (≤ 9.8 in)
- Temperament
- Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 12–25 °C
Intermediate – AdvancedButterfly Barb
Barbus hulstaerti
- Adult size
- ≤ 3.5 cm (≤ 1.4 in)
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 16–23 °C
Intermediate – AdvancedButterfly Peacock Bass
Cichla ocellaris
- Adult size
- ≤ 75 cm (≤ 29.5 in)
- Temperament
- Aggressive
- Zone
- Middle swimmer
- Temp
- 24–29 °C
Beginner – IntermediateButterfly Plecostomus L168
Dekeyseria brachyura
- Adult size
- ≤ 15 cm (≤ 5.9 in)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 25–27 °C
Beginner – IntermediateButterfly Splitfin Goodeid
Ameca splendens
- Adult size
- ≤ 10 cm (≤ 3.9 in)
- Temperament
- Semi-Aggressive
- Zone
- Middle to top swimmer
- Temp
- 15–30 °C
Intermediate – Advanced
Intermediate – AdvancedCardinal Brachyrhaphis
Brachyrhaphis roseni
- Adult size
- ≤ 6 cm (≤ 2.4 in)
- Temperament
- Semi-Aggressive
- Temp
- 21–30 °C
IntermediateCardinal Tetra
Paracheirodon axelrodi
- Adult size
- 4–5 cm (1.6–2 in)
- Aquarium size
- 75 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 24–28 °C
Beginner – IntermediateCelebes Halfbeak
Nomorhamphus liemi
- Adult size
- ≤ 10 cm (≤ 3.9 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 20–24 °C
Intermediate – AdvancedCelebes Rainbowfish
Marosatherina ladigesi
- Adult size
- ≤ 8 cm (≤ 3.1 in)
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 22–27 °C
Beginner – IntermediateCelebes Ricefish
Oryzias celebensis
- Adult size
- ≤ 5 cm (≤ 2 in)
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 22–30 °C
Beginner – IntermediateCelestial Pearl Danio
Danio margaritatus
- Adult size
- ≤ 2.5 cm (≤ 1 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 20–25 °C
Beginner – IntermediateCenepa Red Pencilfish
Nannstomus sp.
- Adult size
- ≤ 3.5 cm (≤ 1.4 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–27 °C