Beginner – IntermediateRed Spotted Splash Tetra
Copella meinkeni
- Adult size
- up to 5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 20–28 °C
Aquarium Fish Database
Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.
Beginner – Intermediate
Beginner – IntermediateRed Spotted Splashing Characin
Pyrrhulina obermulleri
- Adult size
- up to 6 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 20–27 °C
IntermediateRed Tail Hemiodus Tetra
Hemiodus gracilis
- Adult size
- up to 15 cm
- Aquarium size
- 160 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–26 °C
Beginner – IntermediateRed Tail Zebra Loach
Schistura vinciguerrae
- Adult size
- up to 8 cm
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 18–25 °C
BeginnerRed Tailed Black Shark
Epalzeorhynchos bicolor
- Adult size
- up to 16 cm
- Aquarium size
- 240 L or larger
- Temperament
- Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 22–26 °C
Beginner – IntermediateRed Whiptail Catfish
Rineloricaria sp.
- Adult size
- up to 11 cm
- Aquarium size
- 100 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 24–29 °C
Beginner – IntermediateRed-fin Thresher Plecostomus L116
Aphanotorulus emarginatus
- Adult size
- up to 40 cm
- Aquarium size
- 300 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 25–29 °C
IntermediateRed-Tailed Squirrel Loach
Aborichthys elongatus
- Adult size
- up to 10 cm
- Aquarium size
- 100 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 21–26 °C
Beginner – IntermediateRedbreasted Acara
Laetacara dorsigera
- Adult size
- up to 6 cm
- Aquarium size
- 120 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 20–27 °C
Beginner – IntermediateRedfin Congo Tetra
Micralestes occidentalis
- Adult size
- up to 8 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 21–26 °C
Beginner – IntermediateRedfin Dwarf Rainbowfish
Melanotaenia maccullochi
- Adult size
- up to 7 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 20–30 °C
Beginner – IntermediateRedfin Penguin Tetra
Thayeria sp.
- Adult size
- up to 6 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 22–27 °C
IntermediateRedfin Tiger Loach
Syncrossus berdmorei
- Adult size
- up to 25 cm
- Aquarium size
- 300 L or larger
- Temperament
- Semi-Aggressive
- Zone
- Bottom dweller
- Temp
- 21–26 °C
Beginner – IntermediateRedline Apistogramma
Apistogramma hongsloi
- Adult size
- up to 7.5 cm
- Aquarium size
- 120 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–28 °C
Beginner – IntermediateRedlip Shiner
Notropis chiliticus
- Adult size
- up to 7 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 12–17 °C
Beginner – IntermediateRedmouth Pencilfish
Nannostomus nigrotaeniatus
- Adult size
- up to 4 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 23–27 °C
Beginner – IntermediateRedside Dace
Clinostomus elongatus
- Adult size
- up to 12 cm
- Aquarium size
- 120 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 13–18 °C
Beginner – IntermediateRedtail Splitfin Goodeid
Xenotoca doadrioi
- Adult size
- up to 5 cm
- Aquarium size
- 120 L or larger
- Temperament
- Semi-Aggressive
- Temp
- 12–25 °C
Beginner – IntermediateRedtail Spotted Tetra
Parapristella georgiae
- Adult size
- up to 5 cm
- Aquarium size
- 45 L or larger
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 22–26 °C
Beginner – IntermediateReed Tetra
Hyphessobrycon elachys
- Adult size
- up to 2.5 cm
- Aquarium size
- 30 L or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 23–27 °C
Intermediate – AdvancedReedfish
Erpetoichthys calabaricus
- Adult size
- up to 25 cm
- Aquarium size
- 300 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 26–30 °C
Beginner – IntermediateReticulated Corydoras
Corydoras reticulatas
- Adult size
- up to 6 cm
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–26 °C
Intermediate – AdvancedReticulated Hillstream Loach
Sewellia lineolata
- Adult size
- up to 7 cm
- Aquarium size
- 80 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 20–24 °C
IntermediateRikbaktsa Corydoras
Corydoras rikbaktsa
- Adult size
- up to 6 cm
- Aquarium size
- 60 L or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 22–26 °C
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