Advanced freshwater fish: B
All advanced freshwater fish whose common name starts with B, in alphabetical order. Each card links to its care guide.
49 species and 1 variety
Banded darter
Etheostoma zonale
Freshwater3.1 in (7.8 cm) · 26 gal (100 L)59–70°F (15–21°C)
Banded pike characin
Boulengerella lateristriga
Freshwater10.2 in (26 cm) · 159 gal (600 L)73–82°F (23–28°C)
Barhead pipefish
Microphis leiaspis
FreshwaterBrackish7.5 in (19 cm) · 32 gal (120 L)72–81°F (22–27°C)
Barred knifefish
Steatogenys elegans
Freshwater9.8 in (25 cm) · 66 gal (250 L)75–82°F (24–28°C)
Bebe mormyrid
Hyperopisus bebe
Freshwater20.1 in (51 cm) · 264 gal (1,000 L)73–82°F (23–28°C)
Biara
Rhaphiodon vulpinus
Freshwater31.5 in (80 cm) · 660 gal (2,500 L)73–82°F (23–28°C)
Big-mouth hap
Tyrannochromis macrostoma
Freshwater13.8 in (35 cm) · 211 gal (800 L)75–82°F (24–28°C)
Bigeye callochromis
Callochromis macrops
Freshwater5.3 in (13.5 cm) · 79 gal (300 L)75–81°F (24–27°C)
Bigfin dwarf cichlid
Apistogramma megaptera
Freshwater2.6 in (6.5 cm) · 16 gal (60 L)77–84°F (25–29°C)
Bigtooth river stingray
Potamotrygon henlei
Freshwater21.7 in (55 cm) · 396 gal (1,500 L)75–82°F (24–28°C)
Bintan licorice gourami
Parosphromenus bintan
Freshwater1.3 in (3.2 cm) · 5 gal (20 L)72–81°F (22–27°C)
Birdsong goby
Stiphodon surrufus
Freshwater1 in (2.5 cm) · 11 gal (40 L)73–81°F (23–27°C)
Black arowana
Osteoglossum ferreirai
Freshwater35.4 in (90 cm) · 396 gal (1,500 L)79–86°F (26–30°C)
Black darter tetra
Poecilocharax weitzmani
Freshwater1.9 in (4.7 cm) · 14 gal (54 L)75–82°F (24–28°C)
Black devil stingray
Potamotrygon leopoldi
Freshwater23.6 in (60 cm) · 436 gal (1,650 L)68–84°F (20–29°C)
Black ghost knifefish
Apteronotus albifrons
Freshwater17.7 in (45 cm) · 85 gal (320 L)75–82°F (24–28°C)
Black pacu
Colossoma macropomum
Freshwater39.4 in (100 cm) · 660 gal (2,500 L)72–82°F (22–28°C)
Black shark
Labeo chrysophekadion
Freshwater23.6 in (60 cm) · 660 gal (2,500 L)68–79°F (20–26°C)
Black toraja goby
Mugilogobius sarasinorum
Freshwater3.1 in (8 cm) · 21 gal (80 L)79–82°F (26–28°C)
Blackchin sand diver
Xenotilapia melanogenys
Freshwater5.9 in (15 cm) · 106 gal (400 L)75–81°F (24–27°C)
Blackspot callochromis
Callochromis melanostigma
Freshwater5.9 in (15 cm) · 79 gal (300 L)75–81°F (24–27°C)
Blue axelrodi rasbora
Sundadanio axelrodi
Freshwater0.8 in (2 cm) · 12 gal (45 L)73–79°F (23–26°C)
Blue diamond discus
Symphysodon tarzoo
Freshwater7.9 in (20 cm) · 65 gal (245 L)81–88°F (27–31°C)
Blue neon dwarf goby
Stiphodon atropurpureus
Freshwater2 in (5 cm) · 20 gal (75 L)72–81°F (22–27°C)
Blue neon sheatfish
Belodontichthys dinema
Freshwater31.5 in (80 cm) · 238 gal (900 L)73–81°F (23–27°C)
Blue peacock bass
Cichla piquiti
Freshwater18.9 in (48 cm) · 396 gal (1,500 L)77–86°F (25–30°C)
Blue phantom pleco (L128)
Hemiancistrus sp. L128
Freshwater9.8 in (25 cm) · 66 gal (250 L)81–86°F (27–30°C)
Blue whale catfish
Cetopsis coecutiens
Freshwater10.6 in (27 cm) · 70 gal (265 L)72–79°F (22–26°C)
Blue-eyed pleco
Panaque cochliodon
Freshwater11.8 in (30 cm) · 119 gal (450 L)73–82°F (23–28°C)
Blue-spot goby cichlid
Spathodus erythrodon
Freshwater3.3 in (8.5 cm) · 29 gal (110 L)75–81°F (24–27°C)
Blunt-jawed elephantnose
Campylomormyrus tamandua
Freshwater15.7 in (40 cm) · 172 gal (650 L)73–82°F (23–28°C)
Blunthead cichlid
Tropheus moorii
Freshwater5.5 in (14 cm) · 92 gal (350 L)75–81°F (24–27°C)
Bolt catfish
Aguarunichthys torosus
Freshwater13.4 in (34 cm) · 120 gal (455 L)72–81°F (22–27°C)
Boops featherfin
Ophthalmotilapia boops
Freshwater5.9 in (15 cm) · 106 gal (400 L)75–81°F (24–27°C)
Borneo glass catfish
Ompok eugeneiatus
Freshwater6.5 in (16.5 cm) · 45 gal (170 L)70–82°F (21–28°C)
Bottlenose catfish
Ageneiosus marmoratus
Freshwater7.9 in (20 cm) · 95 gal (360 L)72–79°F (22–26°C)
Bridge dwarf cichlid
Apistogramma gephyra
Freshwater1.8 in (4.5 cm) · 15 gal (55 L)77–84°F (25–29°C)
Brook stickleback
Culaea inconstans
Freshwater1.8 in (4.5 cm) · 20 gal (75 L)50–68°F (10–20°C)
Brown ghost knifefish
Apteronotus leptorhynchus
Freshwater11.8 in (30 cm) · 85 gal (320 L)75–84°F (24–29°C)
Brown's betta
Betta brownorum
Freshwater1.2 in (3 cm) · 11 gal (40 L)75–82°F (24–28°C)
Brunei beauty betta
Betta macrostoma
Freshwater3.9 in (10 cm) · 20 gal (75 L)72–79°F (22–26°C)
Bubble eye
Carassius auratus
Freshwater5.9 in (15 cm) · 20 gal (75 L)64–73°F (18–23°C)
Bukit Merah licorice gourami
Parosphromenus rubrimontis
Freshwater1.2 in (3 cm) · 5 gal (20 L)72–81°F (22–27°C)
Bulldog pleco
Chaetostoma formosae
Freshwater4.3 in (11 cm) · 40 gal (150 L)68–77°F (20–25°C)
Bullseye snakehead
Channa marulius
Freshwater47.2 in (120 cm) · 396 gal (1,500 L)72–82°F (22–28°C)
Bumblebee goby
Brachygobius doriae
FreshwaterBrackish1.6 in (4 cm) · 12 gal (45 L)72–82°F (22–28°C)
Burmese stone loach
Balitora burmanica
Freshwater3.9 in (10 cm) · 25 gal (95 L)68–79°F (20–26°C)
Burmese trout
Raiamas guttatus
Freshwater13.8 in (35 cm) · 159 gal (600 L)64–79°F (18–26°C)
Butterfly peacock bass
Cichla ocellaris
Freshwater29.1 in (74 cm) · 211 gal (800 L)75–82°F (24–28°C)
Butterfly xenotilapia
Xenotilapia papilio
Freshwater3.1 in (8 cm) · 53 gal (200 L)75–81°F (24–27°C)
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