Beginner – IntermediateScarlet Shiner
Lythrurus fasciolaris
- Adult size
- up to 9 cm
- Aquarium size
- 120 L or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 18–22 °C
Aquarium Fish Database
Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.
Beginner – Intermediate
Intermediate – AdvancedSchistura spilota
Schistura spilota
- Adult size
- up to 10 cm
- Aquarium size
- 200 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Bottom dweller
- Temp
- 20–26 °C
Beginner – IntermediateSchlesers Longfin Killifish
Aphyolebias schleseri
- Adult size
- up to 5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–26 °C
Beginner – IntermediateSchmard Tetra
Hemigrammus schmardae
- Adult size
- up to 5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–27 °C
Beginner – IntermediateSchwartzs Corydoras
Corydoras schwartzi
- Adult size
- up to 7 cm
- Aquarium size
- 100 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–26 °C
Beginner – IntermediateScratched Inpa Tetra
Inpaichthys parauapiranga
- Adult size
- up to 4 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–26 °C
IntermediateSenegal Minnow
Raiamas senegalensis
- Adult size
- up to 25 cm
- Aquarium size
- 300 L or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 22–26 °C
Beginner – IntermediateSentani Rainbowfish
Chilatherina sentaniensis
- Adult size
- up to 12 cm
- Aquarium size
- 120 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 24–29 °C
BeginnerSerpae Tetra
Hyphessobrycon eques
- Adult size
- up to 6 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 22–26 °C
IntermediateSerpent Loach
Serpenticobitis octozona
- Adult size
- up to 6 cm
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 23–26 °C
IntermediateSeverum Cichlid-Heros efasciatus
Heros efasciatus
- Adult size
- up to 30 cm
- Aquarium size
- 300 L or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 24–29 °C
IntermediateSeverum Cichlid-Heros severus
Heros severus
- Adult size
- up to 20 cm
- Aquarium size
- 240 L or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 24–29 °C
IntermediateSharphead Eartheater
Satanoperca acuticeps
- Adult size
- up to 17 cm
- Aquarium size
- 240 L or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 20–28 °C
Beginner – IntermediateShen’s River Loach
Hemimyzon sheni
- Adult size
- up to 5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 16–22 °C
Beginner – IntermediateShort Ninespine Stickleback
Pungitius kaibarae
- Adult size
- up to 6.5 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 18–24 °C
Beginner – IntermediateSiamese Algae Eater
Crossocheilus oblongus
- Adult size
- up to 15 cm
- Aquarium size
- 160 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 24–27 °C
Beginner – IntermediateSiamese Dwarf Rasbora
Trigonostigma somphongsi
- Adult size
- up to 2.5 cm
- Aquarium size
- 30 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 21–26 °C
Beginner – IntermediateSiamese Fighting Fish
Betta splendens
- Adult size
- up to 7 cm
- Aquarium size
- 120 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Top swimmer
- Temp
- 24–27 °C
Intermediate – AdvancedSiamese Tigerfish
Datnioides microlepis
- Adult size
- up to 45 cm
- Aquarium size
- 900 L or larger
- Temperament
- Semi-Aggressive
- Temp
- 22–26 °C
IntermediateSilver Dollar
Metynnis argenteus
- Adult size
- up to 15 cm
- Aquarium size
- 160 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 24–28 °C
Beginner – IntermediateSilver Flying Fox
Crossocheilus reticulatus
- Adult size
- up to 13 cm
- Aquarium size
- 160 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 16–23 °C
Beginner – IntermediateSilvertip Tetra
Hasemania nana
- Adult size
- up to 5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 21–27 °C
Beginner – IntermediateSilvery Black Tailed Tetra
Hemiodus immaculatus
- Adult size
- up to 25 cm
- Aquarium size
- 300 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 24–28 °C
Intermediate – AdvancedSix Banded Distichodus
Distichodus sexfasciatus
- Adult size
- up to 75 cm
- Aquarium size
- 900 L or larger
- Temperament
- Aggressive
- Zone
- Middle swimmer
- Temp
- 22–26 °C
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