IntermediateEight Banded False Barb
Eirmotus octozona
- Adult size
- ≤ 3.5 cm (≤ 1.4 in)
- Aquarium size
- 60 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–26 °C
Aquarium Fish Database
Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.
Intermediate
Beginner – IntermediateEilyos Tetra
Hyphessobrycon eilyos
- Adult size
- ≤ 3 cm (≤ 1.2 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–28 °C
IntermediateElectric Blue Hap
Sciaenochromis ahli
- Adult size
- ≤ 20 cm (≤ 7.9 in)
- Aquarium size
- 250 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Middle swimmer
- Temp
- 24–28 °C
Intermediate – AdvancedElectric Blue Johanni Cichlid
Pseudotropheus johannii
- Adult size
- ≤ 10 cm (≤ 3.9 in)
- Aquarium size
- 140 L or larger / ≥ 120 cm (≥ 47.2 in) minimum length
- Temperament
- Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 23–28 °C
Beginner – IntermediateElectric Yellow Cichlid
Labidochromis caeruleus
- Adult size
- ≤ 10 cm (≤ 3.9 in)
- Aquarium size
- 150 L or larger / ≥ 120 cm (≥ 47.2 in) minimum length
- Temperament
- Semi-Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 23–26 °C
Beginner – IntermediateElegant Corydoras
Corydoras elegans
- Adult size
- ≤ 5 cm (≤ 2 in)
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–26 °C
IntermediateElegant Pencilfish
Nannostomus limatus
- Adult size
- ≤ 5 cm (≤ 2 in)
- Aquarium size
- 57 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–28 °C
IntermediateElizabeth’s Apistogramma
Apistogramma elizabethae
- Adult size
- ≤ 5 cm (≤ 2 in)
- Aquarium size
- 80 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 22–29 °C
Beginner – IntermediateEmerald Betta
Betta smaragdina
- Adult size
- ≤ 7 cm (≤ 2.8 in)
- Aquarium size
- 41 L or larger / ≥ 45 cm (≥ 17.7 in) minimum length
- Temperament
- Semi-Aggressive
- Zone
- Top swimmer
- Temp
- 22–26 °C
Beginner – IntermediateEmerald Brochis Corydoras
Corydoras splendens
- Adult size
- ≤ 9 cm (≤ 3.5 in)
- Aquarium size
- 243 L or larger / ≥ 120 cm (≥ 47.2 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 20–27 °C
Beginner – IntermediateEmerald Dwarf Danio
Danio erythromicron
- Adult size
- ≤ 4 cm (≤ 1.6 in)
- Aquarium size
- 54 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 20–25 °C
Beginner – IntermediateEmerald Eye Rasbora
Brevibora dorsiocellata
- Adult size
- ≤ 3.5 cm (≤ 1.4 in)
- Aquarium size
- 60 L or larger / ≥ 45 cm (≥ 17.7 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–26 °C
Beginner – IntermediateEmperor Loach
Botia udomritthiruji
- Adult size
- ≤ 15 cm (≤ 5.9 in)
- Aquarium size
- 243 L or larger / ≥ 120 cm (≥ 47.2 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 23–28 °C
BeginnerEmperor Tetra
Nematobrycon palmeri
- Adult size
- ≤ 4.5 cm (≤ 1.8 in)
- Aquarium size
- 81 L or larger / ≥ 90 cm (≥ 35.4 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–26 °C
Beginner – IntermediateEmpire Gudgeon
Hypseleotris compressa
- Adult size
- ≤ 12 cm (≤ 4.7 in)
- Aquarium size
- 200 L or larger / ≥ 80 cm (≥ 31.5 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 20–35 °C
Beginner – IntermediateEthereal Danio
Danionella cerebrum
- Adult size
- ≤ 1.4 cm (≤ 0.6 in)
- Aquarium size
- 40 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–30 °C
Beginner – IntermediateEurasian Minnow
Phoxinus phoxinus
- Adult size
- ≤ 10 cm (≤ 3.9 in)
- Aquarium size
- 170 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 11–20 °C
IntermediateEureka Red Peacock Cichlid
Aulonocara jacobfreibergi eureka
- Adult size
- ≤ 15 cm (≤ 5.9 in)
- Aquarium size
- 250 L or larger / ≥ 120 cm (≥ 47.2 in) minimum length
- Temperament
- Semi-Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 23–28 °C
Beginner – IntermediateEuropean Bitterling
Rhodeus amarus
- Adult size
- ≤ 10 cm (≤ 3.9 in)
- Aquarium size
- 300 L or larger / ≥ 100 cm (≥ 39.4 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 12–21 °C
Beginner – IntermediateEuropean Bullhead Goby
Cottus gobio
- Adult size
- ≤ 10 cm (≤ 3.9 in)
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 2–20 °C
BeginnerEversi Corydoras
Corydoras eversi
- Adult size
- ≤ 5.5 cm (≤ 2.2 in)
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 21–25 °C
IntermediateExclamation Mark Tetra
Bryconella pallidifrons
- Adult size
- ≤ 3.5 cm (≤ 1.4 in)
- Aquarium size
- 100 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 25–27 °C
Beginner – IntermediateExclamation Point Rasbora
Boraras urophthalmoides
- Adult size
- ≤ 2 cm (≤ 0.8 in)
- Aquarium size
- 40 L or larger / ≥ 45 cm (≥ 17.7 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 24–27 °C
Beginner – IntermediateExquisite Rainbowfish
Melanotaenia exquisita
- Adult size
- ≤ 9 cm (≤ 3.5 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 24–30 °C