THE FRESHWATER FIELD GUIDE
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474 species found
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Fish · intermediate
Betta stigmosa
Betta stigmosa
- Size
- 7.00 cm
- Temp
- 21.0–28.0°C
- pH
- 5.0–8.0
- From
- Southeast Asia
Fish · beginner
Betta stiktos
Betta stiktos
- Size
- 7.00 cm
- Temp
- 24.0–30.0°C
- pH
- 5.5–8.0
- From
- Southeast Asia
Fish · intermediate
Betta strohi
Betta strohi
- Size
- 10.00 cm
- Temp
- 24.0–28.0°C
- pH
- 6.0–8.0
- From
- Borneo
Fish · beginner
Betta tomi
Betta tomi
- Size
- 10.00 cm
- Temp
- 24.0–28.0°C
- pH
- 5.0–7.5
- From
- Southeast Asia
Fish · beginner
Betta tussyae
Betta tussyae
- Size
- 7.00 cm
- Temp
- 24.0–30.0°C
- pH
- 4.0–8.0
- From
- Southeast Asia
Fish · intermediate
Betta uberis
Betta uberis
- Size
- 10.00 cm
- Temp
- 23.9–30.0°C
- pH
- 4.0–7.5
- From
- Southeast Asia
Fish · beginner
Black betta
Betta persephone
- Size
- 8.00 cm
- Temp
- 22.0–28.0°C
- pH
- 4.0–8.0
- From
- Southeast Asia
Fish · beginner
Black neon tetra
Hyphessobrycon herbertaxelrodi
- Size
- 4.45 cm
- Temp
- 20.0–28.0°C
- pH
- 5.0–7.5
- From
- Paraguay River basin
Fish · beginner
Black phantom tetra
Hyphessobrycon megalopterus
- Size
- 5.00 cm
- Temp
- 21.0–28.0°C
- pH
- 6.0–7.5
- From
- Venezuela and Colombia
Fish · beginner
Black skirt tetra
Gymnocorymbus ternetzi
- Size
- 6.50 cm
- Temp
- 21.0–28.0°C
- pH
- 6.0–7.5
- From
- Brazil, Paraguay, Bolivia
Fish · beginner
Blackstripe corydoras
Corydoras melanistius
- Size
- 10.00 cm
- Temp
- 22.0–28.0°C
- pH
- 5.8–7.5
- From
- Amazon River
Fish · intermediate
Black-winged hatchetfish
Carnegiella marthae
- Size
- 4.00 cm
- Temp
- 24.0–30.0°C
- pH
- 4.0–7.0
- From
- Orinoco and Negro regions
Fish · beginner
Bleeding heart tetra
Hyphessobrycon erythrostigma
- Size
- 7.60 cm
- Temp
- 22.0–28.0°C
- pH
- 4.0–7.5
- From
- Upper Amazon Basin
Fish · intermediate
Bleher's rainbowfish
Chilatherina bleheri
- Size
- 12.00 cm
- Temp
- 23.0–28.0°C
- pH
- 6.0–7.8
- From
- New Guinea
Fish · beginner
Bloodfin tetra
Aphyocharax anisitsi
- Size
- 5.50 cm
- Temp
- 18.0–28.0°C
- pH
- 6.0–8.0
- From
- Paraná River basin
Fish · beginner
Blue acara
Andinoacara pulcher
- Size
- 18.00 cm
- Temp
- 20.0–28.0°C
- pH
- 6.5–8.0
- From
- Trinidad, Venezuela, Colombia
Fish · intermediate
Blue badis
Badis badis
- Size
- 6.35 cm
- Temp
- 10.0–25.0°C
- pH
- 6.0–7.5
- From
- South Asia
Fish
Blue discus
Symphysodon aequifasciatus
Fish · intermediate
Blue dolphin cichlid
Cyrtocara moorii
- Size
- 25.40 cm
- Temp
- 23.0–27.0°C
- pH
- 7.0–8.6
- From
- East Africa
Fish · advanced
Blue gularis
Fundulopanchax sjoestedti
- Size
- 13.30 cm
- Temp
- 22.0–26.1°C
- pH
- 6.0–8.0
- From
- West Africa
Fish · beginner
Blue king tetra
Inpaichthys kerri
- Size
- 7.50 cm
- Temp
- 22.0–28.0°C
- pH
- 5.0–7.6
- From
- Amazon River Basin
Fish · intermediate
Blunthead cichlid
Tropheus moorii
- Size
- 14.00 cm
- Temp
- 24.0–28.0°C
- pH
- 7.0–8.5
- From
- East Africa
Fish · beginner
Boesemani rainbowfish
Melanotaenia boesemani
- Size
- 13.00 cm
- Temp
- 23.0–28.0°C
- pH
- 6.5–8.0
- From
- West Papua, Indonesia
Fish · intermediate
Bolivian ram
Mikrogeophagus altispinosus
- Size
- 12.70 cm
- Temp
- 22.0–27.8°C
- pH
- 6.0–7.5
- From
- Bolivia