Intermediate – AdvancedPeacock Snakehead
Channa pulchra
- Adult size
- ≤ 25 cm (≤ 9.8 in)
- Aquarium size
- 300 L or larger / ≥ 140 cm (≥ 55.1 in) minimum length
- Temperament
- Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 20–25 °C
Aquarium Fish Database
Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.
Intermediate – Advanced
Intermediate – AdvancedPearl Cichlid
Geophagus brasiliensis
- Adult size
- ≤ 25 cm (≤ 9.8 in)
- Aquarium size
- 320 L or larger / ≥ 150 cm (≥ 59.1 in) minimum length
- Temperament
- Semi-Aggressive
- Temp
- 18–28 °C
BeginnerPearl Danio
Danio albolineatus
- Adult size
- ≤ 6.5 cm (≤ 2.6 in)
- Aquarium size
- 76 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 15–25 °C
Beginner – IntermediatePearl Gourami
Trichopodus leerii
- Adult size
- ≤ 13 cm (≤ 5.1 in)
- Aquarium size
- 200 L or larger / ≥ 120 cm (≥ 47.2 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–28 °C
Beginner – IntermediatePectoral Fin Spot Ricefish
Oryzias pectoralis
- Adult size
- ≤ 2.5 cm (≤ 1 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–28 °C
Beginner – IntermediatePenguin Tetra
Thayeria boehlkei
- Adult size
- ≤ 6 cm (≤ 2.4 in)
- Aquarium size
- 70 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–27 °C
Beginner – IntermediatePentazona Barb
Desmopuntius pentazona
- Adult size
- ≤ 8.5 cm (≤ 3.3 in)
- Aquarium size
- 80 L or larger / ≥ 80 cm (≥ 31.5 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–28 °C
IntermediatePeppermint Armour Goby
Lentipes armatus
- Adult size
- ≤ 5 cm (≤ 2 in)
- Aquarium size
- 100 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–26 °C
Beginner – IntermediatePeruvian Tetra
Hyphessobrycon peruvianus
- Adult size
- ≤ 4 cm (≤ 1.6 in)
- Aquarium size
- 60 L or larger / ≥ 40 cm (≥ 15.7 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 24–26 °C
Beginner – IntermediatePetan Molly
Poecilia kykesis
- Adult size
- ≤ 13 cm (≤ 5.1 in)
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 24–28 °C
Intermediate – AdvancedPeter’s Elephant Nose Fish
Gnathonemus petersii
- Adult size
- ≤ 23 cm (≤ 9.1 in)
- Aquarium size
- 454 L or larger / ≥ 150 cm (≥ 59.1 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 23–28 °C
Beginner – IntermediatePeugeot Tetra
Hyphessobrycon peugeoti
- Adult size
- ≤ 4 cm (≤ 1.6 in)
- Aquarium size
- 50 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–27 °C
Beginner – IntermediatePhoenix Rasbora
Boraras merah
- Adult size
- ≤ 2 cm (≤ 0.8 in)
- Aquarium size
- 60 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 20–27 °C
Beginner – IntermediatePhoenix Tetra
Hemigrammus filamentosus
- Adult size
- ≤ 4 cm (≤ 1.6 in)
- Aquarium size
- 100 L or larger / ≥ 80 cm (≥ 31.5 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 23–25 °C
IntermediatePicta Swamp Guppy
Micropoecilia picta
- Adult size
- ≤ 3 cm (≤ 1.2 in)
- Aquarium size
- 50 L or larger / ≥ 50 cm (≥ 19.7 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 26–27 °C
IntermediatePictus Catfish
Pimelodus pictus
- Adult size
- ≤ 12 cm (≤ 4.7 in)
- Aquarium size
- 200 L or larger / ≥ 120 cm (≥ 47.2 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–26 °C
Beginner – IntermediatePingi Hillstream Loach
Beaufortia pingi
- Adult size
- ≤ 7 cm (≤ 2.8 in)
- Aquarium size
- 200 L or larger / ≥ 100 cm (≥ 39.4 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 18–24 °C
IntermediatePink Kissing Gourami
Helostoma temminckii
- Adult size
- ≤ 30 cm (≤ 11.8 in)
- Aquarium size
- 600 L or larger / ≥ 180 cm (≥ 70.9 in) minimum length
- Temperament
- Semi-Aggressive
- Zone
- Middle to top swimmer
- Temp
- 22–28 °C
Beginner – IntermediatePink Lemon Tetra
Hyphessobrycon itaparicensis
- Adult size
- ≤ 4 cm (≤ 1.6 in)
- Aquarium size
- 100 L or larger / ≥ 80 cm (≥ 31.5 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–27 °C
Intermediate – AdvancedPink-tail Chalceus
Chalceus macrolepidotus
- Adult size
- 25–30 cm (9.8–11.8 in)
- Aquarium size
- 600 L or larger / ≥ 180 cm (≥ 70.9 in) minimum length
- Temperament
- Semi-Aggressive
- Zone
- Middle to top swimmer
- Temp
- 23–28 °C
Intermediate – AdvancedPlatinum Alligator Gar
Atractosteus spatula
- Adult size
- ≤ 300 cm (≤ 118.1 in)
- Temperament
- Aggressive
- Zone
- Middle to top swimmer
- Temp
- 15–31 °C
Beginner – IntermediatePlatinum Medaka Ricefish
Oryzias latipes
- Adult size
- ≤ 4 cm (≤ 1.6 in)
- Aquarium size
- 54 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 18–24 °C
BeginnerPlaty
Xiphophorus maculatus
- Adult size
- ≤ 7.5 cm (≤ 3 in)
- Aquarium size
- 60 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 18–25 °C
Beginner – IntermediatePoliaks Killifish
Aphyosemion poliaki
- Adult size
- ≤ 6 cm (≤ 2.4 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–26 °C