BeginnerDenison Barb
Sahyadria denisonii
- Adult size
- up to 11 cm
- Aquarium size
- 120 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 18–27 °C
Aquarium Fish Database
Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.
Beginner
Intermediate – AdvancedDesana Corydoras
Corydoras desana
- Adult size
- up to 6.5 cm
- Aquarium size
- 100 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–26 °C
Beginner – IntermediateDesert Rainbowfish
Melanotaenia splendida tatei
- Adult size
- up to 10 cm
- Aquarium size
- 120 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 24–28 °C
Beginner – IntermediateDeze Chinese Sucker
Sinogastromyzon dezeensis
- Adult size
- up to 5.5 cm
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 20–24 °C
BeginnerDiamond Tetra
Moenkhausia pittieri
- Adult size
- up to 6 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 23–27 °C
IntermediateDomino Tetra
Neolebias powelli
- Adult size
- up to 2.5 cm
- Aquarium size
- 30 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–25 °C
IntermediateDrape Fin Barb
Oreichthys crenuchoides
- Adult size
- up to 5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–27 °C
IntermediateDuplicate Corydoras
Corydoras duplicareus
- Adult size
- up to 5 cm
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 20–26 °C
Intermediate – AdvancedDusky Millions Fish
Phalloceros caudimaculatus
- Adult size
- up to 6 cm
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Temp
- 17–22 °C
Beginner – IntermediateDwarf Chain Loach
Ambastaia sidthimunki
- Adult size
- up to 6.5 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–27 °C
Beginner – IntermediateDwarf Ctenopoma
Microctenopoma nanum
- Adult size
- up to 7 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 17–23 °C
Intermediate – AdvancedDwarf Ember Barbs
Barboides gracilis
- Adult size
- up to 1.8 cm
- Aquarium size
- 30 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–26 °C
IntermediateDwarf Flag Cichlid
Laetacara curviceps
- Adult size
- up to 7 cm
- Aquarium size
- 120 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 22–26 °C
Beginner – IntermediateDwarf Halfbeak
Dermogenys siamensis
- Adult size
- up to 7 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Top swimmer
- Temp
- 24–28 °C
Beginner – IntermediateDwarf Neon Rainbowfish
Melanotaenia praecox
- Adult size
- up to 6 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 22–26 °C
BeginnerDwarf Pencilfish
Nannostomus marginatus
- Adult size
- up to 3.5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–26 °C
Beginner – IntermediateDwarf Pipefish
Doryichthys deokhatoides
- Adult size
- up to 18.5 cm
- Aquarium size
- 240 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 24–28 °C
Beginner – IntermediateDwarf Pleco
Parotocinclus haroldoi
- Adult size
- up to 4 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 25–29 °C
IntermediateDwarf Pufferfish
Carinotetraodon travancoricus
- Adult size
- up to 3.5 cm
- Aquarium size
- 120 L or larger
- Temperament
- Aggressive
- Zone
- Middle swimmer
- Temp
- 22–27 °C
IntermediateDwarf Rasbora
Boraras maculatus
- Adult size
- up to 2.5 cm
- Aquarium size
- 30 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–26 °C
IntermediateDwarf Snakehead
Channa gachua
- Adult size
- up to 28 cm
- Aquarium size
- 300 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Middle swimmer
- Temp
- 22–28 °C
Beginner – IntermediateDwarf Spotted Danio
Danio nigrofasciatus
- Adult size
- up to 4 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–27 °C
Beginner – IntermediateEastern Mosquitofish
Gambusia holbrooki
- Adult size
- up to 8 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 15–35 °C
Beginner – IntermediateEggers Killifish
Nothobranchius eggersi
- Adult size
- up to 5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Top swimmer
- Temp
- 22–26 °C
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