Intermediate – AdvancedOscar
Astronotus ocellatus
- Adult size
- up to 45 cm
- Aquarium size
- 900 L or larger
- Temperament
- Semi-Aggressive
- Temp
- 22–25 °C
Aquarium Fish Database
Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.
Intermediate – Advanced
IntermediatePacific Blue Eye Rainbowfish
Pseudomugil signifer
- Adult size
- up to 7 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–26 °C
Beginner – IntermediatePalauan Riffle Dwarf Goby
Stiphodon pelewensis
- Adult size
- up to 5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–28 °C
Beginner – IntermediatePalespotted Corydoras
Corydoras gossei
- Adult size
- up to 6 cm
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–26 °C
BeginnerPanda Corydoras
Corydoras panda
- Adult size
- up to 7 cm
- Aquarium size
- 100 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 20–25 °C
IntermediatePanda Dwarf Cichlid
Apistogramma nijsseni
- Adult size
- up to 8 cm
- Aquarium size
- 120 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–29 °C
Beginner – IntermediatePanda Garra
Garra flavatra
- Adult size
- up to 8.8 cm
- Aquarium size
- 120 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 21–27 °C
Intermediate – AdvancedPanda Loach
Yaoshania pachychilus
- Adult size
- up to 6 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 20–23 °C
Intermediate – AdvancedPanda Uaru Cichlid
Uaru fernandezyepezi
- Adult size
- up to 25 cm
- Aquarium size
- 300 L or larger
- Temperament
- Peaceful
- Temp
- 27–30 °C
Beginner – IntermediatePantanalensis Corydoras
Corydoras pantanalensis
- Adult size
- up to 8 cm
- Aquarium size
- 100 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 25–28 °C
Intermediate – AdvancedPantano Cichlid
Herichthys pearsei
- Adult size
- up to 20 cm
- Aquarium size
- 240 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Middle swimmer
- Temp
- 24–30 °C
Beginner – IntermediatePanther Danio
Brachydanio aesculapii
- Adult size
- up to 4.5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Top swimmer
- Temp
- 22–26 °C
IntermediatePapa Lyretail Plecostomus
Panaque bathyphilus
- Adult size
- up to 40 cm
- Aquarium size
- 300 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 24–29 °C
IntermediateParadise Fish
Macropodus opercularis
- Adult size
- up to 10 cm
- Aquarium size
- 200 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Middle to top swimmer
- Temp
- 22–26 °C
Beginner – IntermediateParkinsons Rainbowfish
Melanotaenia parkinsoni
- Adult size
- up to 15 cm
- Aquarium size
- 160 L or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 21–26 °C
IntermediateParrot Cichlid
Amphilophus citrinellus-vieja melanurus
- Adult size
- up to 20 cm
- Aquarium size
- 240 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Middle swimmer
- Temp
- 24–26 °C
Beginner – IntermediatePastaza Corydoras
Corydoras pastazensis
- Adult size
- up to 6 cm
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–26 °C
Beginner – IntermediatePastel Lily Tetra
Astyanax xavante
- Adult size
- up to 6 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–28 °C
Beginner – IntermediatePeacock Gudgeon
Tateurndina ocellicauda
- Adult size
- up to 7.5 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–26 °C
Intermediate – AdvancedPeacock Snakehead
Channa pulchra
- Adult size
- up to 25 cm
- Aquarium size
- 300 L or larger
- Temperament
- Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 20–25 °C
Intermediate – AdvancedPearl Cichlid
Geophagus brasiliensis
- Adult size
- up to 25 cm
- Aquarium size
- 300 L or larger
- Temperament
- Semi-Aggressive
- Temp
- 18–28 °C
BeginnerPearl Danio
Danio albolineatus
- Adult size
- up to 6.5 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 15–25 °C
Beginner – IntermediatePearl Gourami
Trichopodus leerii
- Adult size
- up to 13 cm
- Aquarium size
- 160 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–28 °C
Beginner – IntermediatePectoral Fin Spot Ricefish
Oryzias pectoralis
- Adult size
- up to 2.5 cm
- Aquarium size
- 30 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–28 °C
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