Beginner – IntermediateSix Stripes Tetra
Hyphessbrycon hexastichos
- Adult size
- up to 6 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–27 °C
Aquarium Fish Database
Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.
Beginner – Intermediate
Beginner – IntermediateSixray Corydoras
Aspidoras pauciradiatus
- Adult size
- up to 3 cm
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–25 °C
IntermediateSkunk Corydoras
Corydoras granti
- Adult size
- up to 5.5 cm
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 20–27 °C
IntermediateSkunk Loach
Yasuhikotakia morleti
- Adult size
- up to 10 cm
- Aquarium size
- 200 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Bottom dweller
- Temp
- 26–30 °C
Beginner – IntermediateSlant Bar Corydoras
Corydoras loxozonus
- Adult size
- up to 5 cm
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 21–24 °C
Beginner – IntermediateSlate Corydoras
Corydoras concolor
- Adult size
- up to 6 cm
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 23–26 °C
Beginner – IntermediateSmall Eyes Red Rasbora
Microdevario microphthalma
- Adult size
- up to 3 cm
- Aquarium size
- 30 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 20–26 °C
IntermediateSmall Scale Cyprichromis
Cyprichromis microlepidotus kasai
- Adult size
- up to 11 cm
- Aquarium size
- 200 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–25 °C
Beginner – IntermediateSmall Scaled Tetra
Mimagoniates microlepis
- Adult size
- up to 6 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 18–23 °C
Beginner – IntermediateSmudge Spot Corydoras
Corydoras similis
- Adult size
- up to 4 cm
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–26 °C
Beginner – IntermediateSnakehead Betta
Betta channoides
- Adult size
- up to 6.5 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 24–28 °C
Beginner – IntermediateSnakeskin Barb
Desmopuntius rhomboocellatus
- Adult size
- up to 5.5 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 20–27 °C
Beginner – IntermediateSnakeskin Gourami
Trichopodus pectoralis
- Adult size
- up to 22 cm
- Aquarium size
- 300 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–28 °C
Beginner – IntermediateSnow White Cichlid
Pseudotropheus socolofi var. Albino
- Adult size
- up to 12 cm
- Aquarium size
- 200 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 24–28 °C
Beginner – IntermediateSnowball Plecostomus L102
Hypancistrus inspector
- Adult size
- up to 16 cm
- Aquarium size
- 240 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–30 °C
Beginner – IntermediateSnyders Barb
Puntius snyderi
- Adult size
- up to 7.5 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 17–23 °C
Beginner – IntermediateSouthern Purple Spotted Gudgeon
Mogurnda adspersa
- Adult size
- up to 14 cm
- Aquarium size
- 160 L or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 16–24 °C
Beginner – IntermediateSpanner Barb
Barbodes lateristriga
- Adult size
- up to 18 cm
- Aquarium size
- 240 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–28 °C
Beginner – IntermediateSparkling Gourami
Trichopsis vittata
- Adult size
- up to 4 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 25–28 °C
Beginner – IntermediateSpeckled Butterfly Loach
Beaufortia polylepis
- Adult size
- up to 4 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 18–24 °C
Beginner – IntermediateSpike Tailed Paradise Fish
Pseudosphromenus dayi
- Adult size
- up to 7.5 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–27 °C
Intermediate – AdvancedSpined Loach
Cobitis taenia
- Adult size
- up to 13.5 cm
- Aquarium size
- 160 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 14–18 °C
BeginnerSplashing Tetra
Copella arnoldi
- Adult size
- up to 7 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 20–27 °C
Beginner – IntermediateSplendid Killifish
Aphyosemion splendopleure
- Adult size
- up to 6 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 21–26 °C
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