Fahaka Pufferfish
Tetraodon lineatus
- Adult size
- ≤ 17.7" (≤ 45 cm)
- Aquarium size
- 145 US gal (550 L) or larger / ≥ 70.9" (≥ 180 cm) minimum length
- Temperament
- Aggressive
- 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.
Fairy Cichlid
Neolamprologus brichardi
- Adult size
- ≤ 3.5" (≤ 9 cm)
- Aquarium size
- 53 US gal (200 L) or larger / ≥ 39.4" (≥ 100 cm) minimum length
- Temperament
- Semi-Aggressive
- Temp
- 73–79°F (23–26°C)
Fairy Corydoras
Corydoras atropersonatus
- Adult size
- ≤ 2" (≤ 5 cm)
- Aquarium size
- 21 US gal (80 L) or larger / ≥ 19.7" (≥ 50 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 70–75°F (21.1–23.9°C)
False Bandit Corydoras
Hoplisoma melini
- Adult size
- ≤ 2" (≤ 5 cm)
- Aquarium size
- 21 US gal (80 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 72–79°F (22–26°C)
False Giant Danio
Devario affinis
- Adult size
- ≤ 3.1" (≤ 8 cm)
- Aquarium size
- 64 US gal (243 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
- Temperament
- Semi-Aggressive
- Zone
- Middle swimmer
- Temp
- 72–81°F (22–27°C)
False Green Terror
Andinoacara rivulatus
- Adult size
- ≤ 11.8" (≤ 30 cm)
- Aquarium size
- 119 US gal (450 L) or larger / ≥ 59.1" (≥ 150 cm) minimum length
- Temperament
- Aggressive
- Zone
- Middle swimmer
- Temp
- 68–75°F (20–24°C)
False Network Corydoras
Brochis sodalis
- Adult size
- ≤ 2" (≤ 5 cm)
- Aquarium size
- 24 US gal (90 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 72–79°F (22–26°C)
False Siamese Algae Eater
Ceratogarra cambodgiensis
- Adult size
- ≤ 5.9" (≤ 15 cm)
- Aquarium size
- 79 US gal (300 L) or larger / ≥ 59.1" (≥ 150 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 68–79°F (20–26°C)
False Tiger Knifefish
Gymnotus javari
- Adult size
- ≤ 7.9" (≤ 20 cm)
- Aquarium size
- 66 US gal (250 L) or larger
- Temperament
- Semi-Aggressive
- Zone
- Bottom dweller
- Temp
- 75–82°F (24–28°C)
Featherfin Catfish
Synodontis eupterus
- Adult size
- ≤ 11.8" (≤ 30 cm)
- Aquarium size
- 132 US gal (500 L) or larger / ≥ 70.9" (≥ 180 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 72–81°F (22–27°C)
Featherfin Pearlfish
Simpsonichthys constanciae
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 72–77°F (22–25°C)
Featherfin Tetra
Hemigrammus unilineatus
- Adult size
- ≤ 2" (≤ 5 cm)
- Aquarium size
- 18 US gal (70 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 73–82°F (23–28°C)
Fieryblack Shiner
Cyprinella pyrrhomelas
- Adult size
- ≤ 4.3" (≤ 11 cm)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 64–75°F (18–24°C)
Figure Eight Pufferfish
Dichotomyctere ocellatus
- Adult size
- ≤ 3.1" (≤ 8 cm)
- Aquarium size
- 18 US gal (68 L) or larger / ≥ 29.5" (≥ 75 cm) minimum length
- Temperament
- Semi-Aggressive
- Temp
- 72–79°F (22–26°C)
Filament Tetra
Bryconaethiops microstoma
- Adult size
- ≤ 5.9" (≤ 15 cm)
- Aquarium size
- 37 US gal (140 L) or larger / ≥ 39.4" (≥ 100 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 75–82°F (24–28°C)
Fire Ant Tetra
Hyphessobrycon myrmex
- Adult size
- ≤ 0.8" (≤ 2 cm)
- Aquarium size
- 16 US gal (60 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 72–81°F (22–27°C)
Fire Bar Danio
Devario maetaengensis
- Adult size
- ≤ 2" (≤ 5 cm)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 68–79°F (20–26°C)
Fire Eel
Mastacembelus erythrotaenia
- Adult size
- ≤ 39.4" (≤ 100 cm)
- Aquarium size
- 180 US gal (681 L) or larger / ≥ 78.7" (≥ 200 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 75–82°F (24–28°C)
Fire Green Tetra
Aphyocharax rathbuni
- Adult size
- ≤ 1.8" (≤ 4.5 cm)
- Aquarium size
- 21 US gal (80 L) or larger / ≥ 19.7" (≥ 50 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 68–79°F (20–26°C)
Fire Rasbora
Rasboroides vaterifloris
- Adult size
- ≤ 1.6" (≤ 4 cm)
- Aquarium size
- 20 US gal (76 L) or larger / ≥ 13.8" (≥ 35 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 75–82°F (24–28°C)
Fire Red Licorice Gourami
Parosphromenus sumatranus
- Adult size
- ≤ 1.2" (≤ 3 cm)
- Aquarium size
- 11 US gal (40 L) or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 77–82°F (25–28°C)
Firefly Betta
Betta dimidiata
- Adult size
- ≤ 2" (≤ 5 cm)
- Aquarium size
- 16 US gal (60 L) or larger / ≥ 17.7" (≥ 45 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 72–82°F (22–28°C)
Firehead Tetra
Petitella bleheri
- Adult size
- ≤ 2" (≤ 5 cm)
- Aquarium size
- 26 US gal (100 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 75–82°F (24–28°C)
Fireline Danio
Devario sondhii
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Aquarium size
- 24 US gal (90 L) or larger / ≥ 29.5" (≥ 75 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 68–79°F (20–26°C)
