Beginner – IntermediateWestern Rainbowfish
Melanotaenia australis
- Adult size
- ≤ 12 cm (≤ 4.7 in)
- Aquarium size
- 120 L or larger / ≥ 90 cm (≥ 35.4 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–28 °C
Aquarium Fish Database
Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.
Beginner – Intermediate
BeginnerWhite Cloud Mountain Minnow
Tanichthys albonubes
- Adult size
- 3–4 cm (1.2–1.6 in)
- Aquarium size
- 54 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 14–22 °C
Beginner – IntermediateWhite Skirt Tetra
Gymnocorymbus ternetzi
- Adult size
- ≤ 6 cm (≤ 2.4 in)
- Aquarium size
- 75 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Temp
- 20–26 °C
IntermediateWhite Spotted Cichlid
Tropheus duboisi
- Adult size
- ≤ 12 cm (≤ 4.7 in)
- Aquarium size
- 319 L or larger / ≥ 150 cm (≥ 59.1 in) minimum length
- Temperament
- Semi-Aggressive
- Temp
- 22–28 °C
Intermediate – AdvancedWhite-blotched River Stingray
Potamotrygon leopoldi
- Adult size
- ≤ 60 cm (≤ 23.6 in)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 20–29 °C
Beginner – IntermediateWhitecheek Goby
Rhinogobius duospilus
- Adult size
- ≤ 5 cm (≤ 2 in)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 15–25 °C
Intermediate – AdvancedWhitespot Eartheater
Satanoperca leucosticta
- Adult size
- ≤ 15 cm (≤ 5.9 in)
- Aquarium size
- 210 L or larger / ≥ 180 cm (≥ 70.9 in) minimum length
- Temperament
- Semi-Aggressive
- Zone
- Middle swimmer
- Temp
- 20–28 °C
BeginnerX-ray Tetra
Pristella maxillaris
- Adult size
- ≤ 5 cm (≤ 2 in)
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 23–27 °C
Beginner – IntermediateXingu Corydoras
Corydoras xinguensis
- Adult size
- ≤ 5 cm (≤ 2 in)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–27 °C
IntermediateY Striped Leporinus
Leporinus y-ophorus
- Adult size
- ≤ 20 cm (≤ 7.9 in)
- Temperament
- Semi-Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 22–27 °C
Beginner – IntermediateYabassi Lampeye Killifish
Procatopus nototaenia yabassi
- Adult size
- ≤ 6 cm (≤ 2.4 in)
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 20–25 °C
Intermediate
IntermediateYellow Marbled Synodontis
Synodontis schoutedeni
- Adult size
- ≤ 17 cm (≤ 6.7 in)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–27 °C
Beginner – IntermediateYellow Phantom Tetra
Hyphessobrycon roseus
- Adult size
- ≤ 3 cm (≤ 1.2 in)
- Aquarium size
- 60 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 20–28 °C
Beginner – IntermediateYellow Tailed Congo Tetra
Alestopetersius caudalis
- Adult size
- ≤ 6 cm (≤ 2.4 in)
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–26 °C
BeginnerYellow Tiger Endler
Poecilia wingei
- Adult size
- ≤ 2.5 cm (≤ 1 in)
- Aquarium size
- 54 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–30 °C
Beginner – IntermediateYellowfin Shiner
Notropis ultipinnis
- Adult size
- ≤ 6 cm (≤ 2.4 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 10–23 °C
IntermediateYellowstripe Goby
Mugilogobius chulae
- Adult size
- ≤ 4 cm (≤ 1.6 in)
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–28 °C
Beginner – IntermediateYoma Danio
Danio feegradei
- Adult size
- ≤ 8 cm (≤ 3.1 in)
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 17–25 °C
Beginner – IntermediateYoyo Loach
Botia almorhae
- Adult size
- ≤ 15 cm (≤ 5.9 in)
- Aquarium size
- 284 L or larger / ≥ 152 cm (≥ 59.8 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 24–30 °C
IntermediateZebra Loach
Botia striata
- Adult size
- ≤ 10 cm (≤ 3.9 in)
- Aquarium size
- 160 L or larger / ≥ 120 cm (≥ 47.2 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 21–26 °C
Intermediate – AdvancedZebra Plecostomus L046
Hypancistrus zebra
- Adult size
- ≤ 10 cm (≤ 3.9 in)
- Aquarium size
- 100 L or larger / ≥ 80 cm (≥ 31.5 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 26–30 °C
IntermediateZhou’s Scarlet Goby
Rhinogobius zhoui
- Adult size
- ≤ 5 cm (≤ 2 in)
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 18–25 °C
AdvancedZig-zag Eel
Mastacembelus armatus
- Adult size
- 50–90 cm (19.7–35.4 in)
- Aquarium size
- 600 L or larger / ≥ 180 cm (≥ 70.9 in) minimum length
- Temperament
- Semi-Aggressive
- Zone
- Bottom dweller
- Temp
- 24–28 °C