Intermediate – AdvancedRed Bellied Piranha
Pygocentrus nattereri
- Adult size
- ≤ 35 cm (≤ 13.8 in)
- Aquarium size
- 1000 L or larger / ≥ 200 cm (≥ 78.7 in) minimum length
- Temperament
- Aggressive
- Zone
- Middle swimmer
- Temp
- 24–28 °C
Aquarium Fish Database
Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.
Intermediate – Advanced
Beginner – IntermediateRed Belted Goby
Sicyopus zosterophorus
- Adult size
- ≤ 5 cm (≤ 2 in)
- Aquarium size
- 114 L or larger / ≥ 80 cm (≥ 31.5 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 21–26 °C
IntermediateRed Cheek Krobia
Krobia xinguensis
- Adult size
- ≤ 12 cm (≤ 4.7 in)
- Aquarium size
- 180 L or larger / ≥ 100 cm (≥ 39.4 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 24–28 °C
Beginner – IntermediateRed Chinned Panchax
Epiplatys dageti
- Adult size
- ≤ 5 cm (≤ 2 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 21–26 °C
Intermediate – AdvancedRed Devil Cichlid
Amphilophus labiatus
- Adult size
- ≤ 38 cm (≤ 15 in)
- Aquarium size
- 1000 L or larger / ≥ 150 cm (≥ 59.1 in) minimum length
- Temperament
- Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 23–26 °C
Beginner – IntermediateRed Devil Tetra
Hyphessobrycon piranga
- Adult size
- ≤ 3.5 cm (≤ 1.4 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–27 °C
Beginner – IntermediateRed Eye Red Line Tetra
Hemigrammus rubrostriatus
- Adult size
- ≤ 5 cm (≤ 2 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 24–28 °C
BeginnerRed Eye Tetra
Moenkhausia sanctaefilomenae
- Adult size
- ≤ 7 cm (≤ 2.8 in)
- Aquarium size
- 100 L or larger / ≥ 80 cm (≥ 31.5 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–26 °C
Beginner – IntermediateRed Fin Banded Pencilfish
Nannostomus erythrurus
- Adult size
- ≤ 3 cm (≤ 1.2 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–28 °C
Beginner – IntermediateRed Fin Flag Tetra
Hyphessobrycon chiribiquete
- Adult size
- ≤ 6 cm (≤ 2.4 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–28 °C
Beginner – IntermediateRed Finned Butterfly Loach
Gastromyzon venustus
- Adult size
- ≤ 5 cm (≤ 2 in)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 24–28 °C
Beginner – IntermediateRed Finned Danio
Danio kyathit
- Adult size
- ≤ 5 cm (≤ 2 in)
- Aquarium size
- 81 L or larger / ≥ 90 cm (≥ 35.4 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 15–26 °C
IntermediateRed Garra
Garra rufa
- Adult size
- 10–14.1 cm (3.9–5.6 in)
- Aquarium size
- 240 L or larger / ≥ 120 cm (≥ 47.2 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 16–24 °C
IntermediateRed Hook Silver Dollar
Myloplus rubripinnis
- Adult size
- ≤ 40 cm (≤ 15.7 in)
- Aquarium size
- 1000 L or larger / ≥ 200 cm (≥ 78.7 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–27 °C
IntermediateRed Laser Rainbowfish
Melanotaenia rubrovittata
- Adult size
- ≤ 5 cm (≤ 2 in)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 27–29 °C
Beginner – IntermediateRed Laser Tetra
Hemigrammus coeruleus
- Adult size
- ≤ 6 cm (≤ 2.4 in)
- Aquarium size
- 200 L or larger / ≥ 100 cm (≥ 39.4 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–27 °C
Beginner – IntermediateRed Line Rasbora
Trigonopoma pauciperforata
- Adult size
- ≤ 6 cm (≤ 2.4 in)
- Aquarium size
- 100 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 20–26 °C
Beginner – IntermediateRed Line Tetra
Hyphessobrycon amapaensis
- Adult size
- ≤ 3 cm (≤ 1.2 in)
- Aquarium size
- 60 L or larger / ≥ 80 cm (≥ 31.5 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–27 °C
IntermediateRed Lined Halfbeak
Hemirhamphodon phaiosoma
- Adult size
- ≤ 6 cm (≤ 2.4 in)
- Temperament
- Peaceful
- Zone
- Top swimmer
- Temp
- 24–28 °C
Beginner – IntermediateRed Lipstick Goby
Sicyopus exallisquamulus
- Adult size
- ≤ 5 cm (≤ 2 in)
- Aquarium size
- 60 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–28 °C
Beginner – IntermediateRed Neon Blue Eye Rainbowfish
Pseudomugil luminatus
- Adult size
- ≤ 4 cm (≤ 1.6 in)
- Aquarium size
- 54 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 17–26 °C
Beginner – IntermediateRed Phantom Tetra
Hyphessobrycon sweglesi
- Adult size
- ≤ 4 cm (≤ 1.6 in)
- Aquarium size
- 76 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 20–22 °C
Beginner – IntermediateRed Rainbowfish
Glossolepis incisus
- Adult size
- ≤ 15 cm (≤ 5.9 in)
- Aquarium size
- 600 L or larger / ≥ 120 cm (≥ 47.2 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–27 °C
Beginner – IntermediateRed Robin Gourami
Trichogaster chuna
- Adult size
- ≤ 5 cm (≤ 2 in)
- Aquarium size
- 60 L or larger / ≥ 60 cm (≥ 23.6 in) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–27 °C