Beginner – IntermediateSplendid Killifish
Aphyosemion splendopleure
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Aquarium size
- 10 US gal (38 L) or larger / ≥ 17.7" (≥ 45 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 70–79°F (21–26°C)
Aquarium Fish Database
Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.
Beginner – Intermediate
Beginner – IntermediateSplendid Loach
Yasuhikotakia splendida
- Adult size
- ≤ 3.9" (≤ 10 cm)
- Aquarium size
- 53 US gal (200 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 79–82°F (26–28°C)
Beginner – IntermediateSpotback Corydoras
Corydoras blochi
- Adult size
- ≤ 2" (≤ 5 cm)
- Aquarium size
- 21 US gal (80 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 72–79°F (22–26°C)
Intermediate – AdvancedSpotfin Betta
Betta macrostoma
- Adult size
- ≤ 3.9" (≤ 10 cm)
- Aquarium size
- 19 US gal (72 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 68–79°F (20–26°C)
Beginner – IntermediateSpotfin Hatchetfish
Thoracocharax stellatus
- Adult size
- ≤ 2.8" (≤ 7 cm)
- Aquarium size
- 64 US gal (243 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
- Temperament
- Peaceful
- Zone
- Top swimmer
- Temp
- 68–81°F (20–27°C)
Intermediate – AdvancedSpotted Archerfish
Toxotes chatareus
- Adult size
- ≤ 15.7" (≤ 40 cm)
- Aquarium size
- 119 US gal (450 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 77–86°F (25–30°C)
Beginner – IntermediateSpotted Blue Eye Rainbowfish
Pseudomugil gertrudae
- Adult size
- ≤ 1" (≤ 2.5 cm)
- Aquarium size
- 21 US gal (80 L) or larger / ≥ 17.7" (≥ 45 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 72–86°F (22–30°C)
Beginner – IntermediateSpotted Coolie Loach
Pangio muraeniformis
- Adult size
- ≤ 3.1" (≤ 8 cm)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 72–79°F (22–26°C)
IntermediateSpotted Garra
Garra spilota
- Adult size
- ≤ 2.8" (≤ 7 cm)
- Aquarium size
- 21 US gal (81 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 68–79°F (20–26°C)
Beginner – IntermediateSpotted Hatchetfish
Gasteropelecus maculatus
- Adult size
- ≤ 2.6" (≤ 6.5 cm)
- Aquarium size
- 40 US gal (150 L) or larger / ≥ 39.4" (≥ 100 cm) minimum length
- Temperament
- Peaceful
- Zone
- Top swimmer
- Temp
- 72–82°F (22–28°C)
Beginner – IntermediateSpotted Headstander
Chilodus punctatus
- Adult size
- ≤ 3.1" (≤ 8 cm)
- Aquarium size
- 21 US gal (81 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 68–81°F (20–27°C)
Beginner – IntermediateSpotted Hoplo Catfish
Megalechis thoracata
- Adult size
- ≤ 5.9" (≤ 15 cm)
- Aquarium size
- 55 US gal (208 L) or larger / ≥ 59.1" (≥ 150 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 64–82°F (18–28°C)
Intermediate – AdvancedSpotted Leporinus
Leporinus nijsseni
- Adult size
- ≤ 7.1" (≤ 18 cm)
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 68–81°F (20–27°C)
IntermediateSpotted Silver Dollar
Metynnis lippincottianus
- Adult size
- ≤ 6.5" (≤ 16.5 cm)
- Aquarium size
- 106 US gal (400 L) or larger / ≥ 59.1" (≥ 150 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 73–81°F (23–27°C)
BeginnerSpotted Skiffia Multipunctata
Skiffia multipunctata
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Aquarium size
- 16 US gal (60 L) or larger / ≥ 19.7" (≥ 50 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 77–81°F (25–27°C)
Beginner – IntermediateSpotted Sumatra Hillstream Loach
Homaloptera ocellata
- Adult size
- ≤ 5.9" (≤ 15 cm)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 68–75°F (20–24°C)
Beginner – IntermediateSpottedsail Barb
Pethia phutunio
- Adult size
- ≤ 1.6" (≤ 4 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)
Beginner – IntermediateStarlight Bristlenose Plecostomus
Ancistrus dolichopterus
- Adult size
- ≤ 4.7" (≤ 12 cm)
- Aquarium size
- 53 US gal (200 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 73–81°F (23–27°C)
Beginner – IntermediateSteel Blue Lyretail Killifish
Fundulopanchax gardneri
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Aquarium size
- 20 US gal (76 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Semi-Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 72–77°F (22–25°C)
Beginner – IntermediateSteel Blue Tetra
Hyphessobrycon weitzmanorum
- Adult size
- ≤ 1.2" (≤ 3 cm)
- Aquarium size
- 13 US gal (50 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 73–81°F (23–27°C)
Beginner – IntermediateSterbas Corydoras
Hoplisoma sterbai
- Adult size
- ≤ 2.6" (≤ 6.5 cm)
- Aquarium size
- 11 US gal (43 L) or larger / ≥ 17.7" (≥ 45 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 70–77°F (21–25°C)
Beginner – IntermediateStoliczkae’s Barb
Pethia stoliczkana
- Adult size
- ≤ 2" (≤ 5 cm)
- Aquarium size
- 18 US gal (68 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 73–79°F (23–26°C)
Beginner – IntermediateStone Loach
Barbatula barbatula
- Adult size
- ≤ 7.9" (≤ 20 cm)
- Aquarium size
- 26 US gal (100 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 36–68°F (2–20°C)
IntermediateStrawberry Dwarf Cichlid
Apistogramma eremnopyge
- Adult size
- ≤ 3" (≤ 7.5 cm)
- Aquarium size
- 14 US gal (54 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Semi-Aggressive
- Zone
- Middle to top swimmer
- Temp
- 72–84°F (22–29°C)