Barred Rainbowfish
Chilatherina fasciata
- Adult size
- ≤ 4.7" (≤ 12 cm)
- Aquarium size
- 53 US gal (200 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 82–90°F (28–32°C)
Aquarium Fish Database
Explore freshwater aquarium fish by care level, size, temperament, swimming zone, water parameters, and compatibility.
Batman Betta
Betta persephone
- Adult size
- ≤ 1.4" (≤ 3.5 cm)
- Aquarium size
- 5 US gal (20 L) or larger / ≥ 17.7" (≥ 45 cm) minimum length
- Temperament
- Peaceful
- Temp
- 72–82°F (22–28°C)
Bela Adormecida Tetra
Moenkhausia bellasomniosa
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 75–82°F (24–28°C)
Bengal Danio
Devario devario
- Adult size
- ≤ 3.1" (≤ 8 cm)
- Aquarium size
- 64 US gal (243 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
- Temperament
- Peaceful
- Zone
- Top swimmer
- Temp
- 59–79°F (15–26°C)
Bengal Loach
Botia dario
- Adult size
- ≤ 5.9" (≤ 15 cm)
- Aquarium size
- 64 US gal (243 L) or larger / ≥ 47.2" (≥ 120 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 73–81°F (23–27°C)
Bereme Creek Goby
Sicyopus beremeensis
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 72–79°F (22–26°C)
Bintan Licorice Gourami
Parosphromenus bintan
- Adult size
- ≤ 1.2" (≤ 3 cm)
- Aquarium size
- 5 US gal (20 L) or larger / ≥ 15.7" (≥ 40 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 72–82°F (22–28°C)
Bird Song Goby
Stiphodon surrufus
- Adult size
- ≤ 0.8" (≤ 2 cm)
- Aquarium size
- 14 US gal (54 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom to middle swimmer
- Temp
- 72–82°F (22–28°C)
Black Banded Leporinus
Leporinus fasciatus
- Adult size
- ≤ 11.8" (≤ 30 cm)
- Aquarium size
- 200 US gal (756 L) or larger / ≥ 82.7" (≥ 210 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 72–81°F (22–27°C)
Black Banded Rainbowfish
Melanotaenia nigrans
- Adult size
- ≤ 3.9" (≤ 10 cm)
- Aquarium size
- 26 US gal (100 L) or larger / ≥ 23.6" (≥ 60 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 73–82°F (23–28°C)
Black Barred Danio
Danio absconditus
- Adult size
- ≤ 3.1" (≤ 8 cm)
- Aquarium size
- 32 US gal (120 L) or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 63–79°F (17–26°C)
Black Chin Tetra
Piabucus melanostoma
- Adult size
- ≤ 4.7" (≤ 12 cm)
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 72–81°F (22–27°C)
Black Darter Tetra
Poecilocharax weitzmani
- Adult size
- ≤ 2" (≤ 5 cm)
- Aquarium size
- 15 US gal (57 L) or larger / ≥ 17.7" (≥ 45 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 73–81°F (23–27°C)
Black Diamond Corydoras CW49
Corydoras sp.
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 72–81°F (22–27°C)
Black Ghost Knifefish
Apteronotus albifrons
- Adult size
- ≤ 19.7" (≤ 50 cm)
- Aquarium size
- 119 US gal (450 L) or larger / ≥ 70.9" (≥ 180 cm) minimum length
- Temperament
- Peaceful
- Zone
- Bottom dweller
- Temp
- 73–82°F (23–28°C)
Black Heart Tetra
Hyphessobrycon copelandi
- Adult size
- ≤ 2" (≤ 5 cm)
- Aquarium size
- 13 US gal (50 L) or larger
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 75–82°F (24–28°C)
Black Ink Barb
Barbodes bunau
- Adult size
- ≤ 2.4" (≤ 6 cm)
- Aquarium size
- 21 US gal (80 L) or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 75–82°F (24–28°C)
Black Line Tetra
Hyphessobrycon scholzei
- Adult size
- ≤ 2" (≤ 5 cm)
- Aquarium size
- 21 US gal (80 L) or larger
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 72–81°F (22–27°C)
Black Neon Tetra
Hyphessobrycon herbertaxelrodi
- Adult size
- ≤ 1.6" (≤ 4 cm)
- Aquarium size
- 21 US gal (80 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle to top swimmer
- Temp
- 68–79°F (20–26°C)
Black Phantom Tetra
Hyphessobrycon megalopterus
- Adult size
- ≤ 1.4" (≤ 3.5 cm)
- Aquarium size
- 19 US gal (72 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 72–81°F (22–27°C)
Black Ruby Barb
Pethia nigrofasciata
- Adult size
- ≤ 2" (≤ 5 cm)
- Aquarium size
- 19 US gal (72 L) or larger / ≥ 31.5" (≥ 80 cm) minimum length
- Temperament
- Peaceful
- Zone
- Middle swimmer
- Temp
- 72–82°F (22–28°C)
Black Sharkminnow
Labeo chrysophekadion
- Adult size
- ≤ 35.4" (≤ 90 cm)
- Aquarium size
- 660 US gal (2500 L) or larger / ≥ 118.1" (≥ 300 cm) minimum length
- Temperament
- Aggressive
- Zone
- Bottom to middle swimmer
- Temp
- 68–79°F (20–26°C)
Black Stripe Dwarf Cichlid
Taeniacara candidi
- Adult size
- ≤ 2.8" (≤ 7 cm)
- Aquarium size
- 14 US gal (53 L) or larger / ≥ 17.7" (≥ 45 cm) minimum length
- Temperament
- Semi-Aggressive
- Zone
- Middle swimmer
- Temp
- 77–82°F (25–28°C)
Black Toraja Goby
Mugilogobius hitam
- Adult size
- ≤ 2" (≤ 5 cm)
- Temperament
- Semi-Aggressive
- Zone
- Bottom dweller
- Temp
- 79–86°F (26–30°C)
