Reticulated Corydoras
Corydoras reticulatas
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 72–79°F (22–26°C)
Aquarium Fish Database
Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.
Reticulated Hillstream Loach
Sewellia lineolata
- Adult size
- ≤ 2.8" (≤ 7 cm)
- Aquarium size
- 26 US gal (100 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 68–75°F (20–24°C)
Rikbaktsa Corydoras
Hoplisoma rikbaktsa
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Aquarium size
- 24 US gal (90 L) or larger
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 72–79°F (22–26°C)
Rohani Barb
Dawkinsia rohani
- Adult size
- ≤ 4.7" (≤ 12 cm)
- Aquarium size
- 40 US gal (152 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 64–77°F (18–25°C)
Roloff’s Pygmy Barb
Oreichthys parvus
- Adult size
- ≤ 1.2" (≤ 3 cm)
- Aquarium size
- 15 US gal (57 L) or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 73–81°F (23–27°C)
Rose Danio
Danio roseus
- Adult size
- ≤ 1.6" (≤ 4 cm)
- Aquarium size
- 30 US gal (112 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 68–79°F (20–26°C)
Rosy Barb
Pethia conchonius
- Adult size
- ≤ 3.9" (≤ 10 cm)
- Aquarium size
- 32 US gal (120 L) or larger / ≥ 39.4" (≥ 100 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 63–72°F (17–22°C)
Rosy Loach
Tuberoschistura arakanensis
- Adult size
- ≤ 1.2" (≤ 3 cm)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 72–79°F (22–26°C)
Rosy Tetra
Hyphessobrycon rosaceus
- Adult size
- ≤ 2" (≤ 5 cm)
- Aquarium size
- 16 US gal (60 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 75–82°F (24–28°C)
Royal Plecostomus L190
Panaque nigrolineatus
- Adult size
- ≤ 17.7" (≤ 45 cm)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 72–86°F (22–30°C)
Royal Whiptail Catfish
Sturisoma panamense
- Adult size
- ≤ 7.9" (≤ 20 cm)
- Aquarium size
- 79 US gal (300 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 68–79°F (20–26°C)
Ruby Rasbora
Paedocypris progenetica
- Adult size
- ≤ 0.4" (≤ 1 cm)
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 79–88°F (26–31°C)
Ruby Tetra
Axelrodia riesei
- Adult size
- ≤ 1" (≤ 2.5 cm)
- Aquarium size
- 21 US gal (80 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 68–81°F (20–27°C)
Rummy Nose Rasbora
Sawbwa resplendens
- Adult size
- ≤ 1.4" (≤ 3.5 cm)
- Aquarium size
- 20 US gal (76 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Temp
- 70–73°F (21–23°C)
Rusty Corydoras
Osteogaster rabauti
- Adult size
- ≤ 2.6" (≤ 6.5 cm)
- Aquarium size
- 21 US gal (80 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 72–79°F (22–26°C)
Saddleback Loach
Homaloptera orthogoniata
- Adult size
- ≤ 4.9" (≤ 12.5 cm)
- Aquarium size
- 29 US gal (108 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 68–77°F (20–25°C)
Sahul Rainbowfish
Melanotaenia sahulensis
- Adult size
- ≤ 2.2" (≤ 5.5 cm)
- Aquarium size
- 29 US gal (110 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 72–81°F (22–27°C)
Sailfin Tetra
Crenuchus spilurus
- Adult size
- ≤ 2.2" (≤ 5.5 cm)
- Aquarium size
- 26 US gal (100 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 68–81°F (20–27°C)
Salt and Pepper Corydoras
Corydoras habrosus
- Adult size
- ≤ 1.4" (≤ 3.5 cm)
- Aquarium size
- 14 US gal (54 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 68–81°F (20–27°C)
Salvini Cichlid
Trichromis salvini
- Adult size
- ≤ 8.7" (≤ 22 cm)
- Aquarium size
- 40 US gal (150 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length
- Temperament
- Aggressive
- Temp
- 72–79°F (22–26°C)
Salween Rock Catfish
Erethistes filamentosus
- Adult size
- ≤ 2" (≤ 5 cm)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 68–75°F (20–24°C)
Samurai Gourami
Sphaerichthys vaillanti
- Adult size
- ≤ 2.8" (≤ 7 cm)
- Aquarium size
- 16 US gal (60 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Temp
- 75–82°F (24–28°C)
Sand Cichlid
Xenotilapia spiloptera
- Adult size
- ≤ 3.9" (≤ 10 cm)
- Temperament
- Semi-Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 79–82°F (26–28°C)
Sands Corydoras
Hoplisoma davidsandsi
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Aquarium size
- 26 US gal (100 L) or larger / ≥ 35.4" (≥ 90 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 68–79°F (20–26°C)
