Beginner – IntermediateCoffee Bean Tetra
Hyphessobrycon takasei
- Adult size
- ≤ 1.6" (≤ 4 cm)
- Aquarium size
- 21 US gal (80 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 73–81°F (23–27°C)
Aquarium Fish Database
Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.
Beginner – Intermediate
Beginner – IntermediateColombian Gold Tetra
Hyphessobrycon saizi
- Adult size
- ≤ 1" (≤ 2.5 cm)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 72–81°F (22–27°C)
Beginner – IntermediateColombian Redfin Tetra
Hyphessobrycon columbianus
- Adult size
- ≤ 2.6" (≤ 6.5 cm)
- Aquarium size
- 37 US gal (140 L) or larger / ≥ 39.4" (≥ 100 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 73–79°F (23–26°C)
IntermediateColossus Corydoras
Hoplisoma colossus
- Adult size
- ≤ 2.8" (≤ 7 cm)
- Aquarium size
- 48 US gal (180 L) or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 68–79°F (20–26°C)
Beginner – IntermediateCommon Hatchetfish
Gasteropelecus sternicla
- Adult size
- ≤ 2.6" (≤ 6.5 cm)
- Aquarium size
- 24 US gal (90 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Top swimmer
- Temp
- 72–81°F (22–27°C)
AdvancedCommon Plecostomus
Hypostomus plecostomus
- Adult size
- 9.8–19.7" (25–50 cm)
- Aquarium size
- 132 US gal (500 L) or larger / ≥ 70.9" (≥ 180 cm) minimum length
- Temperament
- Semi-Aggressive
- Zone
- Bottom dweller
- Temp
- 73–82°F (23–28°C)
IntermediateCongo Ctenopoma
Microctenopoma congicum
- Adult size
- ≤ 2.6" (≤ 6.5 cm)
- Aquarium size
- 21 US gal (80 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 72–81°F (22–27°C)
Beginner – IntermediateCongo Tetra
Phenacogrammus interruptus
- Adult size
- ≤ 3.3" (≤ 8.5 cm)
- Aquarium size
- 33 US gal (125 L) or larger / ≥ 39.4" (≥ 100 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 75–81°F (24–27°C)
IntermediateConvict Cichlid
Amatitlania nigrofasciata
- Adult size
- ≤ 5.9" (≤ 15 cm)
- Aquarium size
- 26 US gal (100 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Aggressive
- Temp
- 79–82°F (26–28°C)
Beginner – IntermediateCopei Tetra
Moenkhausia copei
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Aquarium size
- 20 US gal (75 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 72–79°F (22–26°C)
Beginner – IntermediateCoral Red Pencilfish
Nannostomus mortenthaleri
- Adult size
- ≤ 1.4" (≤ 3.5 cm)
- Aquarium size
- 16 US gal (60 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 75–82°F (24–28°C)
Beginner – IntermediateCostello Tetra
Hemigrammus hyanuary
- Adult size
- ≤ 1.6" (≤ 4 cm)
- Aquarium size
- 18 US gal (70 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 73–79°F (23–26°C)
IntermediateCow River Loach
Neogastromyzon crassiobex
- Adult size
- ≤ 2" (≤ 5 cm)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 70–79°F (21–26°C)
Beginner – IntermediateCowboy Whiptail Catfish
Lamontichthys llanero
- Adult size
- ≤ 7.9" (≤ 20 cm)
- Aquarium size
- 29 US gal (108 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 75–82°F (24–28°C)
Beginner – IntermediateCrystal Red Tetra
Megalamphodus haraldschultzi
- Adult size
- ≤ 1" (≤ 2.5 cm)
- Aquarium size
- 24 US gal (90 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 72–79°F (22–26°C)
Beginner – IntermediateCrystalline Rosy Tetra
Megalamphodus epicharis
- Adult size
- ≤ 1.6" (≤ 4 cm)
- Aquarium size
- 24 US gal (90 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 72–77°F (22–25°C)
Beginner – IntermediateCuckoo Catfish
Synodontis multipunctatus
- Adult size
- ≤ 10.8" (≤ 27.5 cm)
- Aquarium size
- 53 US gal (200 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 73–81°F (23–27°C)
Beginner – IntermediateCurmuca Barb
Hypselobarbus curmuca
- Adult size
- ≤ 4.7" (≤ 12 cm)
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 68–79°F (20–26°C)
Beginner – IntermediateDaisys Blue Ricefish
Oryzias woworae
- Adult size
- ≤ 1.2" (≤ 3 cm)
- Aquarium size
- 11 US gal (41 L) or larger / ≥ 17.7" (≥ 45 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 72–82°F (22–28°C)
IntermediateDawn Tetra
Aphyocharax paraguayensis
- Adult size
- ≤ 1.8" (≤ 4.5 cm)
- Aquarium size
- 21 US gal (80 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Semi-Aggressive
- Zone
- Middle swimmer
- Temp
- 72–81°F (22–27°C)
Beginner – IntermediateDeepwater Creek Rainbowfish
Melanotaenia splendida
- Adult size
- ≤ 4.7" (≤ 12 cm)
- Aquarium size
- 48 US gal (180 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 68–86°F (20–30°C)
Beginner – IntermediateDelphax Corydoras
Brochis delphax
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Aquarium size
- 21 US gal (81 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 70–79°F (21–26°C)
Intermediate – AdvancedDemasoni Cichlid
Chindongo demasoni
- Adult size
- ≤ 3.9" (≤ 10 cm)
- Aquarium size
- 53 US gal (200 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
- Temperament
- Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 75–82°F (24–28°C)
IntermediateDemon Eartheater
Satanoperca jurupari
- Adult size
- ≤ 9.8" (≤ 25 cm)
- Aquarium size
- 200 US gal (756 L) or larger / ≥ 82.7" (≥ 210 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 73–82°F (23–28°C)