BeginnerLake Tebera Rainbowfish
Melanotaenia herbertaxelrodi
- Adult size
- ≤ 3.9" (≤ 10 cm)
- Aquarium size
- 66 US gal (250 L) or larger / ≥ 59.1" (≥ 150 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 68–79°F (20–26°C)
Aquarium Fish Database
Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.
Beginner
Beginner – IntermediateLake Wanam Rainbowfish
Glossolepis wanamensis
- Adult size
- ≤ 4.1" (≤ 10.5 cm)
- Aquarium size
- 24 US gal (90 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 77–86°F (25–30°C)
BeginnerLambchop Rasbora
Trigonostigma espei
- Adult size
- ≤ 1.2" (≤ 3 cm)
- Aquarium size
- 16 US gal (60 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Temp
- 72–79°F (22–26°C)
Beginner – IntermediateLaos Blackline Torpedo Loach
Nemacheilus longistriatus
- Adult size
- ≤ 4.9" (≤ 12.5 cm)
- Aquarium size
- 21 US gal (81 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 73–79°F (23–26°C)
Beginner – IntermediateLaos Danio
Devario laoensis
- Adult size
- ≤ 2.6" (≤ 6.5 cm)
- Aquarium size
- 21 US gal (81 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 72–79°F (22–26°C)
Intermediate – AdvancedLemon Cichlid
Neolamprologus leleupi
- Adult size
- ≤ 3.9" (≤ 10 cm)
- Aquarium size
- 18 US gal (70 L) or larger / ≥ 29.5" (≥ 75 cm) minimum length
- Temperament
- Semi-Aggressive
- Temp
- 72–81°F (22–27°C)
Beginner – IntermediateLemon Fin Barb
Hypsibarbus wetmorei
- Adult size
- ≤ 17.7" (≤ 45 cm)
- Aquarium size
- 228 US gal (864 L) or larger / ≥ 94.5" (≥ 240 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 68–79°F (20–26°C)
BeginnerLemon Tetra
Hyphessobrycon pulchripinnis
- Adult size
- ≤ 2" (≤ 5 cm)
- Aquarium size
- 16 US gal (60 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 70–79°F (21–26°C)
BeginnerLemon White Cloud Mountain Minnow
Tanichthys kuehnei
- Adult size
- ≤ 1.4" (≤ 3.5 cm)
- Aquarium size
- 8 US gal (30 L) or larger / ≥ 11.8" (≥ 30 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 64–72°F (18–22°C)
Beginner – IntermediateLeopard Bush Fish
Ctenopoma acutirostre
- Adult size
- ≤ 5.9" (≤ 15 cm)
- Aquarium size
- 79 US gal (300 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length
- Temperament
- Semi-Aggressive
- Zone
- Middle to top swimmer
- Temp
- 68–77°F (20–25°C)
IntermediateLeopard Cactus Plecostomus
Pseudacanthicus leopardus
- Adult size
- ≤ 13.8" (≤ 35 cm)
- Aquarium size
- 171 US gal (648 L) or larger / ≥ 70.9" (≥ 180 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 77–84°F (25–29°C)
BeginnerLeopard Corydoras
Brochis leopardus
- Adult size
- ≤ 2.8" (≤ 7 cm)
- Aquarium size
- 21 US gal (80 L) or larger / ≥ 27.6" (≥ 70 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 68–79°F (20–26°C)
BeginnerLeopard Danio
Danio rerio
- Adult size
- ≤ 3.1" (≤ 8 cm)
- Aquarium size
- 24 US gal (90 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Top swimmer
- Temp
- 64–79°F (18–26°C)
Beginner – IntermediateLeopard Frog Plecostomus
Peckoltia compta
- Adult size
- ≤ 3.9" (≤ 10 cm)
- Aquarium size
- 32 US gal (120 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 75–86°F (24–30°C)
IntermediateLeopard Kuhli Loach
Pangio shelfordii
- Adult size
- ≤ 3.1" (≤ 8 cm)
- Aquarium size
- 14 US gal (54 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 72–77°F (22–25°C)
Beginner – IntermediateLeopard Sailfin Plecostomus
Pterygoplichthys gibbiceps
- Adult size
- ≤ 19.7" (≤ 50 cm)
- Aquarium size
- 132 US gal (500 L) or larger / ≥ 78.7" (≥ 200 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 72–86°F (22–30°C)
Intermediate – AdvancedLeopold’s Angelfish
Pterophyllum leopoldi
- Adult size
- ≤ 3.9" (≤ 10 cm)
- Aquarium size
- 32 US gal (122 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length
- Temperament
- Peaceful
- Temp
- 72–84°F (22–29°C)
Beginner – IntermediateLiberty Molly
Poecilia salvatoris
- Adult size
- ≤ 3" (≤ 7.5 cm)
- Aquarium size
- 53 US gal (200 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
- Temperament
- Semi-Aggressive
- Zone
- Middle to top swimmer
- Temp
- 72–79°F (22–26°C)
IntermediateLicorice Gourami
Parosphromenus deissneri
- Adult size
- ≤ 1.6" (≤ 4 cm)
- Aquarium size
- 8 US gal (30 L) or larger / ≥ 15.7" (≥ 40 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 70–81°F (21–27°C)
Beginner – IntermediateLined Barb
Striuntius lineatus
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Aquarium size
- 26 US gal (100 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 68–79°F (20–26°C)
Beginner – IntermediateLipstick Barb
Pethia erythromycter
- Adult size
- ≤ 1.6" (≤ 4 cm)
- Aquarium size
- 21 US gal (81 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 68–77°F (20–25°C)
Beginner – IntermediateLipstick Tetra
Bario cosmops
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Aquarium size
- 40 US gal (150 L) or larger / ≥ 39.4" (≥ 100 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 73–79°F (23–26°C)
Beginner – IntermediateLizard Goby
Rhinogobius flumineus
- Adult size
- ≤ 2.8" (≤ 7 cm)
- Aquarium size
- 18 US gal (68 L) or larger / ≥ 29.5" (≥ 75 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 50–77°F (10–25°C)
Beginner – IntermediateLong Finned Tetra
Bryconalestes longipinnis
- Adult size
- ≤ 4.9" (≤ 12.5 cm)
- Aquarium size
- 38 US gal (143 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 72–79°F (22–26°C)