Beginner – IntermediateJaintia Danio
Danio jaintianensis
- Adult size
- ≤ 5 cm (≤ 2 in)
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 2–23 °C
Aquarium Fish Database
Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.
Beginner – Intermediate
IntermediateJavan Red Lipstick Goby
Sicyopus rubicundus
- Adult size
- ≤ 6 cm (≤ 2.4 in)
- Aquarium size
- 114 L or larger / ≥ 80 cm (≥ 31.5 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–25 °C
BeginnerJellybean Tetra
Ladigesia roloffi
- Adult size
- ≤ 3 cm (≤ 1.2 in)
- Aquarium size
- 55 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–26 °C
Intermediate – AdvancedJewel Cichlid
Hemichromis bimaculatus
- Adult size
- ≤ 15 cm (≤ 5.9 in)
- Aquarium size
- 250 L or larger / ≥ 100 cm (≥ 39.4 in) minimum length
- Temperament
- Semi-Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 22–27 °C
Beginner – IntermediateJeweled Splitfin
Xenotoca variata
- Adult size
- ≤ 7 cm (≤ 2.8 in)
- Aquarium size
- 150 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 20–27 °C
Beginner – IntermediateJiangxi Golden Loach
Parabotia kiangsiensis
- Adult size
- ≤ 8 cm (≤ 3.1 in)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 20–24 °C
Beginner – IntermediateJunior Tetra
Hyphessobrycon robustulus
- Adult size
- ≤ 4.5 cm (≤ 1.8 in)
- Aquarium size
- 50 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–26 °C
Beginner – IntermediateKamaka Rainbowfish
Melanotaenia kamaka
- Adult size
- ≤ 7 cm (≤ 2.8 in)
- Aquarium size
- 120 L or larger / ≥ 80 cm (≥ 31.5 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 22–27 °C
Beginner – IntermediateKane’s Corydoras
Corydoras kanei
- Adult size
- ≤ 5 cm (≤ 2 in)
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 20–26 °C
IntermediateKansu Loach
Sinibotia robusta
- Adult size
- ≤ 18 cm (≤ 7.1 in)
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 20–23 °C
IntermediateKatibas Sucker Loach
Gastromyzon katibasensis
- Adult size
- ≤ 7 cm (≤ 2.8 in)
- Temperament
- Peaceful
- Temp
- 20–26 °C
Beginner – IntermediateKeeled Otocinclus
Oxyropsis carinata
- Adult size
- ≤ 8 cm (≤ 3.1 in)
- Aquarium size
- 70 L or larger / ≥ 70 cm (≥ 27.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 20–25 °C
Intermediate – AdvancedKelberi Peacock Bass
Cichla kelberi
- Adult size
- ≤ 50 cm (≤ 19.7 in)
- Aquarium size
- 700 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Middle swimmer
- Temp
- 24–29 °C
IntermediateKeyhole Cichlid
Cleithracara maronii
- Adult size
- ≤ 12.5 cm (≤ 4.9 in)
- Aquarium size
- 110 L or larger / ≥ 80 cm (≥ 31.5 in) minimum length
- Temperament
- Peaceful
- Temp
- 22–26 °C
Beginner – IntermediateKitty Tetra
Hyphessobrycon loweae
- Adult size
- ≤ 4 cm (≤ 1.6 in)
- Aquarium size
- 50 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–27 °C
IntermediateKnight Goby
Stigmatogobius sadanundio
- Adult size
- ≤ 9 cm (≤ 3.5 in)
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 20–26 °C
Beginner – IntermediateKogal Blue Eyed Tetra
Moenkhausia sp.
- Adult size
- ≤ 6 cm (≤ 2.4 in)
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 23–27 °C
IntermediateKrabi Mouth Brooding Betta
Betta simplex
- Adult size
- ≤ 5 cm (≤ 2 in)
- Aquarium size
- 54 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 22–27 °C
Beginner – IntermediateKribensis Cichlid
Pelvicachromis pulcher
- Adult size
- ≤ 10 cm (≤ 3.9 in)
- Aquarium size
- 120 L or larger / ≥ 80 cm (≥ 31.5 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 23–26 °C
Beginner – IntermediateKrieg’s Mini Tetra
Serrapinnus kriegi
- Adult size
- ≤ 2.5 cm (≤ 1 in)
- Aquarium size
- 200 L or larger / ≥ 80 cm (≥ 31.5 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–26 °C
Beginner – IntermediateLake Furnusu Rainbowfish
Melanotaenia mairasi
- Adult size
- ≤ 8 cm (≤ 3.1 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 21–26 °C
Beginner – IntermediateLake Inle Danio
Devario auropurpureus
- Adult size
- ≤ 8 cm (≤ 3.1 in)
- Aquarium size
- 80 L or larger / ≥ 90 cm (≥ 35.4 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 20–23 °C
Beginner – IntermediateLake Kurumoi Rainbowfish
Melanotaenia parva
- Adult size
- ≤ 8 cm (≤ 3.1 in)
- Aquarium size
- 200 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 24–28 °C
IntermediateLake Kutubu Rainbowfish
Melanotaenia lacustris
- Adult size
- ≤ 12.5 cm (≤ 4.9 in)
- Aquarium size
- 200 L or larger / ≥ 120 cm (≥ 47.2 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 21–26 °C