Scarlet Badis
Dario dario
- Adult size
- ≤ 0.8" (≤ 2 cm)
- Aquarium size
- 11 US gal (40 L) or larger / ≥ 17.7" (≥ 45 cm) minimum length
- Temperament
- Semi-Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 64–79°F (18–26°C)
Aquarium Fish Database
Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.
Scarlet Cactus Plecostomus
Pseudacanthicus pirarara
- Adult size
- ≤ 15.7" (≤ 40 cm)
- Aquarium size
- 264 US gal (1000 L) or larger / ≥ 78.7" (≥ 200 cm) minimum length
- Temperament
- Semi-Aggressive
- Zone
- Bottom dweller
- Temp
- 79–86°F (26–30°C)
Scarlet Shiner
Lythrurus fasciolaris
- Adult size
- ≤ 3.5" (≤ 9 cm)
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 64–72°F (18–22°C)
Schistura spilota
Schistura spilota
- Adult size
- ≤ 3.9" (≤ 10 cm)
- Aquarium size
- 29 US gal (108 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
- Temperament
- Semi-Aggressive
- Zone
- Bottom dweller
- Temp
- 68–79°F (20–26°C)
Schlesers Longfin Killifish
Aphyolebias schleseri
- Adult size
- ≤ 2" (≤ 5 cm)
- Aquarium size
- 11 US gal (40 L) or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 72–79°F (22–26°C)
Schmard Tetra
Hemigrammus schmardae
- Adult size
- ≤ 2" (≤ 5 cm)
- Aquarium size
- 15 US gal (57 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 73–81°F (23–27°C)
Schwartzs Corydoras
Hoplisoma schwartzi
- Adult size
- ≤ 2.8" (≤ 7 cm)
- Aquarium size
- 19 US gal (71 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 72–79°F (22–26°C)
Scratched Inpa Tetra
Inpaichthys parauapiranga
- Adult size
- ≤ 1.6" (≤ 4 cm)
- Aquarium size
- 20 US gal (75 L) or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 72–79°F (22–26°C)
Senegal Minnow
Raiamas senegalensis
- Adult size
- ≤ 9.8" (≤ 25 cm)
- Aquarium size
- 75 US gal (284 L) or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 72–79°F (22–26°C)
Sentani Rainbowfish
Chilatherina sentaniensis
- Adult size
- ≤ 4.7" (≤ 12 cm)
- Aquarium size
- 79 US gal (300 L) or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 75–84°F (24–29°C)
Serpae Tetra
Megalamphodus eques
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Aquarium size
- 19 US gal (72 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 72–79°F (22–26°C)
Serpent Loach
Serpenticobitis octozona
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Aquarium size
- 18 US gal (68 L) or larger / ≥ 29.5" (≥ 75 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 73–79°F (23–26°C)
Severum Cichlid-Heros efasciatus
Heros efasciatus
- Adult size
- ≤ 11.8" (≤ 30 cm)
- Aquarium size
- 92 US gal (350 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 75–84°F (24–29°C)
Severum Cichlid-Heros severus
Heros severus
- Adult size
- ≤ 7.9" (≤ 20 cm)
- Aquarium size
- 119 US gal (450 L) or larger / ≥ 43.3" (≥ 110 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 75–84°F (24–29°C)
Sharphead Eartheater
Satanoperca acuticeps
- Adult size
- ≤ 6.7" (≤ 17 cm)
- Aquarium size
- 171 US gal (648 L) or larger / ≥ 70.9" (≥ 180 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 68–82°F (20–28°C)
Shen’s River Loach
Hemimyzon sheni
- Adult size
- ≤ 2" (≤ 5 cm)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 61–72°F (16–22°C)
Short Ninespine Stickleback
Pungitius kaibarae
- Adult size
- ≤ 2.6" (≤ 6.5 cm)
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 64–75°F (18–24°C)
Siamese Algae Eater
Crossocheilus oblongus
- Adult size
- ≤ 5.9" (≤ 15 cm)
- Aquarium size
- 53 US gal (200 L) or larger / ≥ 39.4" (≥ 100 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 75–81°F (24–27°C)
Siamese Dwarf Rasbora
Trigonostigma somphongsi
- Adult size
- ≤ 1" (≤ 2.5 cm)
- Aquarium size
- 14 US gal (54 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 70–79°F (21–26°C)
Siamese Tigerfish
Datnioides microlepis
- Adult size
- ≤ 17.7" (≤ 45 cm)
- Temperament
- Semi-Aggressive
- Temp
- 72–79°F (22–26°C)
Silver Dollar
Metynnis argenteus
- Adult size
- ≤ 5.9" (≤ 15 cm)
- Aquarium size
- 70 US gal (265 L) or larger / ≥ 70.9" (≥ 180 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 75–82°F (24–28°C)
Silver Flying Fox
Crossocheilus reticulatus
- Adult size
- ≤ 5.1" (≤ 13 cm)
- Aquarium size
- 79 US gal (300 L) or larger / ≥ 59.1" (≥ 150 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 61–73°F (16–23°C)
Silvertip Tetra
Hasemania nana
- Adult size
- ≤ 2" (≤ 5 cm)
- Aquarium size
- 18 US gal (70 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 70–81°F (21–27°C)
Silvery Black Tailed Tetra
Hemiodus immaculatus
- Adult size
- ≤ 9.8" (≤ 25 cm)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 75–82°F (24–28°C)
