Beginner – IntermediateWestern Rainbowfish
Melanotaenia australis
- Adult size
- up to 12 cm
- Aquarium size
- 120 L or larger
- 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
- up to 4 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 15–22 °C
Beginner – IntermediateWhite Skirt Tetra
Gymnocorymbus ternetzi
- Adult size
- up to 6 cm
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Temp
- 20–26 °C
IntermediateWhite Spotted Cichlid
Tropheus duboisi
- Adult size
- up to 12 cm
- Aquarium size
- 200 L or larger
- Temperament
- Semi-Aggressive
- Temp
- 22–28 °C
Intermediate – AdvancedWhite-blotched River Stingray
Potamotrygon leopoldi
- Adult size
- up to 60 cm
- Aquarium size
- 900 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 20–29 °C
Beginner – IntermediateWhitecheek Goby
Rhinogobius duospilus
- Adult size
- up to 5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 15–25 °C
Intermediate – AdvancedWhitespot Eartheater
Satanoperca leucosticta
- Adult size
- up to 15 cm
- Aquarium size
- 200 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Middle swimmer
- Temp
- 20–28 °C
BeginnerX-ray Tetra
Pristella maxillaris
- Adult size
- up to 5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 23–27 °C
Beginner – IntermediateXingu Corydoras
Corydoras xinguensis
- Adult size
- up to 5 cm
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–27 °C
IntermediateY Striped Leporinus
Leporinus y-ophorus
- Adult size
- up to 20 cm
- Aquarium size
- 240 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 22–27 °C
Beginner – IntermediateYabassi Lampeye Killifish
Procatopus nototaenia yabassi
- Adult size
- up to 6 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 20–25 °C
IntermediateYellow Acara
Aequidens metae
- Adult size
- up to 13 cm
- Aquarium size
- 200 L or larger
- Temperament
- Semi-Aggressive
- Temp
- 24–28 °C
IntermediateYellow Marbled Synodontis
Synodontis schoutedeni
- Adult size
- up to 17 cm
- Aquarium size
- 240 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–27 °C
Beginner – IntermediateYellow Phantom Tetra
Hyphessobrycon roseus
- Adult size
- up to 3 cm
- Aquarium size
- 30 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 20–28 °C
Beginner – IntermediateYellow Tailed Congo Tetra
Alestopetersius caudalis
- Adult size
- up to 6 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–26 °C
BeginnerYellow Tiger Endler
Poecilia wingei
- Adult size
- up to 2.5 cm
- Aquarium size
- 30 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–30 °C
Beginner – IntermediateYellowfin Shiner
Notropis ultipinnis
- Adult size
- up to 6 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 10–23 °C
IntermediateYellowstripe Goby
Mugilogobius chulae
- Adult size
- up to 4 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–28 °C
Beginner – IntermediateYoma Danio
Danio feegradei
- Adult size
- up to 8 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 17–25 °C
Beginner – IntermediateYoyo Loach
Botia almorhae
- Adult size
- up to 15 cm
- Aquarium size
- 160 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 24–30 °C
IntermediateZebra Loach
Botia striata
- Adult size
- up to 10 cm
- Aquarium size
- 100 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 21–26 °C
Intermediate – AdvancedZebra Plecostomus L046
Hypancistrus zebra
- Adult size
- up to 10 cm
- Aquarium size
- 100 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 26–30 °C
IntermediateZhou’s Scarlet Goby
Rhinogobius zhoui
- Adult size
- up to 5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 18–25 °C
Intermediate – AdvancedZig-zag Eel
Mastacembelus armatus
- Adult size
- up to 90 cm
- Aquarium size
- 900 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–28 °C
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