Beginner – IntermediateBlack Arrow Royal Tetra
Inpaichthys luizae
- Adult size
- ≤ 5 cm (≤ 2 in)
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 22–26 °C
Aquarium Fish Database
Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.
Beginner – Intermediate
Beginner – IntermediateBristlenose Plecostomus
Ancistrus cirrhosus
- Adult size
- 10–13 cm (3.9–5.1 in)
- Aquarium size
- 100 L or larger / ≥ 80 cm (≥ 31.5 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–27 °C
BeginnerCherry Barb
Puntius titteya
- Adult size
- ≤ 5 cm (≤ 2 in)
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 21–26 °C
IntermediateCockatoo Dwarf Cichlid
Apistogramma cacatuoides
- Adult size
- ≤ 10 cm (≤ 3.9 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 24–27 °C
IntermediateCommon Otocinclus
Otocinclus vittatus
- Adult size
- 3–4 cm (1.2–1.6 in)
- Aquarium size
- 75 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 21–26 °C
Beginner – IntermediateEmber Tetra
Hyphessobrycon amandae
- Adult size
- 2–2.5 cm (0.8–1 in)
- Aquarium size
- 54 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–28 °C
Beginner
Beginner – IntermediateGreen Neon Tetra
Paracheirodon simulans
- Adult size
- ≤ 2.5 cm (≤ 1 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–28 °C
Beginner – IntermediateHarlequin Rasbora
Trigonostigma heteromorpha
- Adult size
- ≤ 5 cm (≤ 2 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–28 °C
IntermediateKuhli Loach
Pangio kuhlii
- Adult size
- 8–12 cm (3.1–4.7 in)
- Aquarium size
- 75 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 24–29 °C
Beginner – IntermediateNeon Tetra
Paracheirodon innesi
- 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 swimmer
- Temp
- 21–26 °C
Beginner – IntermediatePeppered Corydoras
Corydoras paleatus
- Adult size
- ≤ 6 cm (≤ 2.4 in)
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 17–26 °C
Beginner – IntermediatePowder Blue Dwarf Gourami
Trichogaster lalius
- Adult size
- ≤ 7.5 cm (≤ 3 in)
- Temperament
- Peaceful
- Temp
- 22–27 °C
IntermediateRummy-nose Tetra
Petitella rhodostoma
- Adult size
- 4–5 cm (1.6–2 in)
- Aquarium size
- 100 L or larger / ≥ 80 cm (≥ 31.5 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 24–28 °C
Beginner – IntermediateSiamese Fighting Fish
Betta splendens
- Adult size
- ≤ 7 cm (≤ 2.8 in)
- Temperament
- Semi-Aggressive
- Zone
- Top swimmer
- Temp
- 24–27 °C
BeginnerZebra Danio
Brachydanio rerio
- Adult size
- ≤ 6 cm (≤ 2.4 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 17–23 °C
Beginner – IntermediateAdolfos Catfish
Corydoras adolfoi
- Adult size
- ≤ 6 cm (≤ 2.4 in)
- Aquarium size
- 90 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–26 °C
IntermediateAdonis Tetra
Lepidarchus adonis
- Adult size
- ≤ 2 cm (≤ 0.8 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 21–26 °C
Beginner – IntermediateAfrican Banded Barb
Barbus fasciolatus
- Adult size
- ≤ 6 cm (≤ 2.4 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 21–26 °C
Beginner – IntermediateAfrican Butterfly Cichlid
Anomalochromis thomasi
- Adult size
- ≤ 8 cm (≤ 3.1 in)
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–26 °C
Beginner – IntermediateAfrican Copper Ribbon Tetra
Rhabdalestes septentrionalis
- Adult size
- ≤ 7 cm (≤ 2.8 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–28 °C
Intermediate – AdvancedAfrican Freshwater Pipefish
Enneacampus ansorgii
- Adult size
- ≤ 10 cm (≤ 3.9 in)
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 23–27 °C
Intermediate – AdvancedAfrican Glass Catfish
Pareutropius debauwi
- Adult size
- ≤ 10 cm (≤ 3.9 in)
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–27 °C
Beginner – IntermediateAfrican Moon Tetra
Bathyaethiops caudomaculatus
- Adult size
- ≤ 8 cm (≤ 3.1 in)
- Temperament
- Peaceful
- Zone
- Top swimmer
- Temp
- 22–25 °C