BeginnerDenison Barb
Sahyadria denisonii
- Adult size
- ≤ 11 cm (≤ 4.3 in)
- Aquarium size
- 350 L or larger / ≥ 120 cm (≥ 47.2 in) minimum length
- 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
- ≤ 6.5 cm (≤ 2.6 in)
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–26 °C
Beginner – IntermediateDesert Rainbowfish
Melanotaenia splendida tatei
- Adult size
- ≤ 10 cm (≤ 3.9 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 24–28 °C
Beginner – IntermediateDeze Chinese Sucker
Sinogastromyzon dezeensis
- Adult size
- ≤ 5.5 cm (≤ 2.2 in)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 20–24 °C
BeginnerDiamond Tetra
Moenkhausia pittieri
- Adult size
- ≤ 6 cm (≤ 2.4 in)
- Aquarium size
- 70 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 23–27 °C
IntermediateDomino Tetra
Neolebias powelli
- Adult size
- ≤ 2.5 cm (≤ 1 in)
- Aquarium size
- 60 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–25 °C
IntermediateDrape Fin Barb
Oreichthys crenuchoides
- Adult size
- ≤ 5 cm (≤ 2 in)
- Aquarium size
- 54 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–27 °C
IntermediateDuplicate Corydoras
Corydoras duplicareus
- Adult size
- ≤ 5 cm (≤ 2 in)
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 20–26 °C
Intermediate – AdvancedDusky Millions Fish
Phalloceros caudimaculatus
- Adult size
- ≤ 6 cm (≤ 2.4 in)
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Temp
- 17–22 °C
Beginner – IntermediateDwarf Chain Loach
Ambastaia sidthimunki
- Adult size
- ≤ 6.5 cm (≤ 2.6 in)
- Aquarium size
- 75 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–27 °C
Beginner – IntermediateDwarf Ctenopoma
Microctenopoma nanum
- Adult size
- ≤ 7 cm (≤ 2.8 in)
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 17–23 °C
Intermediate – AdvancedDwarf Ember Barbs
Barboides gracilis
- Adult size
- ≤ 1.8 cm (≤ 0.7 in)
- Aquarium size
- 40 L or larger / ≥ 30 cm (≥ 11.8 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–26 °C
IntermediateDwarf Flag Cichlid
Laetacara curviceps
- Adult size
- ≤ 7 cm (≤ 2.8 in)
- Aquarium size
- 114 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 22–26 °C
Beginner – IntermediateDwarf Halfbeak
Dermogenys siamensis
- Adult size
- ≤ 7 cm (≤ 2.8 in)
- Aquarium size
- 70 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Top swimmer
- Temp
- 24–28 °C
Beginner – IntermediateDwarf Neon Rainbowfish
Melanotaenia praecox
- Adult size
- ≤ 6 cm (≤ 2.4 in)
- Aquarium size
- 75 L or larger / ≥ 80 cm (≥ 31.5 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 22–26 °C
BeginnerDwarf Pencilfish
Nannostomus marginatus
- Adult size
- ≤ 3.5 cm (≤ 1.4 in)
- Aquarium size
- 60 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–26 °C
Beginner – IntermediateDwarf Pipefish
Doryichthys deokhatoides
- Adult size
- ≤ 18.5 cm (≤ 7.3 in)
- Aquarium size
- 75 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 24–28 °C
Beginner – IntermediateDwarf Pleco
Parotocinclus haroldoi
- Adult size
- ≤ 4 cm (≤ 1.6 in)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 25–29 °C
IntermediateDwarf Pufferfish
Carinotetraodon travancoricus
- Adult size
- ≤ 3.5 cm (≤ 1.4 in)
- Aquarium size
- 60 L or larger
- Temperament
- Aggressive
- Zone
- Middle swimmer
- Temp
- 22–27 °C
IntermediateDwarf Rasbora
Boraras maculatus
- Adult size
- ≤ 2.5 cm (≤ 1 in)
- Aquarium size
- 41 L or larger / ≥ 45 cm (≥ 17.7 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–26 °C
IntermediateDwarf Snakehead
Channa gachua
- Adult size
- ≤ 28 cm (≤ 11 in)
- Aquarium size
- 150 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Middle swimmer
- Temp
- 22–28 °C
Beginner – IntermediateDwarf Spotted Danio
Danio nigrofasciatus
- Adult size
- ≤ 4 cm (≤ 1.6 in)
- Aquarium size
- 54 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–27 °C
Beginner – IntermediateEastern Mosquitofish
Gambusia holbrooki
- Adult size
- ≤ 8 cm (≤ 3.1 in)
- Aquarium size
- 40 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 15–35 °C
Beginner – IntermediateEggers Killifish
Nothobranchius eggersi
- Adult size
- ≤ 5 cm (≤ 2 in)
- Aquarium size
- 41 L or larger
- Temperament
- Peaceful
- Zone
- Top swimmer
- Temp
- 22–26 °C