Bottom-dwelling aquarium fish: B
All bottom dwellers whose common name starts with B, in alphabetical order. Each card links to its care guide.
134 species and 6 varieties
Bahia parotocinclus
Parotocinclus bahiensis
Freshwater1.6 in (4 cm) · 14 gal (54 L)72–81°F (22–27°C)
Banded cory
Scleromystax barbatus
Freshwater3.9 in (10 cm) · 40 gal (150 L)66–75°F (19–24°C)
Banded darter
Etheostoma zonale
Freshwater3.1 in (7.8 cm) · 26 gal (100 L)59–70°F (15–21°C)
Banded darter tetra
Nannocharax fasciatus
Freshwater2.6 in (6.5 cm) · 21 gal (80 L)73–82°F (23–28°C)
Banded gudgeon
Mogurnda cingulata
Freshwater4.7 in (12 cm) · 30 gal (112 L)72–82°F (22–28°C)
Banded hillstream loach
Pseudogastromyzon fasciatus
Freshwater3.9 in (10 cm) · 25 gal (95 L)64–75°F (18–24°C)
Banded jewelfish
Hemichromis fasciatus
Freshwater9.8 in (25 cm) · 119 gal (450 L)73–81°F (23–27°C)
Banded knifefish
Gymnotus carapo
Freshwater15.7 in (40 cm) · 79 gal (300 L)73–82°F (23–28°C)
Banded sisorid catfish
Glyptothorax buchanani
Freshwater2.8 in (7 cm) · 29 gal (110 L)68–79°F (20–26°C)
Banded tiger loach
Syncrossus helodes
Freshwater11.8 in (30 cm) · 75 gal (285 L)75–86°F (24–30°C)
Bandit cichlid
Guianacara geayi
Freshwater5.1 in (13 cm) · 40 gal (150 L)75–82°F (24–28°C)
Bandit pleco
Hypancistrus furunculus
Freshwater3.9 in (10 cm) · 42 gal (160 L)79–86°F (26–30°C)
Banjo catfish
Bunocephalus coracoideus
Freshwater5.9 in (15 cm) · 25 gal (95 L)72–81°F (22–27°C)
Bannertail cory
Brochis robineae
Freshwater2.6 in (6.5 cm) · 20 gal (75 L)73–79°F (23–26°C)
Bar-tailed hoplo
Megalechis picta
Freshwater5.9 in (15 cm) · 53 gal (200 L)72–79°F (22–26°C)
Barhead pipefish
Microphis leiaspis
FreshwaterBrackish7.5 in (19 cm) · 32 gal (120 L)72–81°F (22–27°C)
Barito loach
Kapuasia falaris
Freshwater2.6 in (6.5 cm) · 20 gal (75 L)73–81°F (23–27°C)
Barlow's dwarf cichlid
Apistogramma barlowi
Freshwater3.1 in (8 cm) · 20 gal (75 L)73–82°F (23–28°C)
Barlow's mbuna
Maylandia barlowi
Freshwater3.9 in (10 cm) · 53 gal (200 L)75–82°F (24–28°C)
Barred bichir
Polypterus delhezi
Freshwater13.8 in (35 cm) · 53 gal (200 L)75–86°F (24–30°C)
Barred knifefish
Steatogenys elegans
Freshwater9.8 in (25 cm) · 66 gal (250 L)75–82°F (24–28°C)
Barred lamprologus
Neolamprologus fasciatus
Freshwater5.9 in (15 cm) · 66 gal (250 L)75–81°F (24–27°C)
Barred loach
Nemacheilus fasciatus
Freshwater3.1 in (8 cm) · 24 gal (90 L)68–77°F (20–25°C)
Barred spiny eel
Macrognathus pancalus
Freshwater7.5 in (19 cm) · 42 gal (160 L)73–82°F (23–28°C)
Barred-tail cory
Hoplisoma cochui
Freshwater1.4 in (3.5 cm) · 13 gal (50 L)70–82°F (21–28°C)
Barton's cichlid
Herichthys bartoni
Freshwater8.7 in (22 cm) · 79 gal (300 L)75–84°F (24–29°C)
Basilisk pleco
Hypostomus basilisko
Freshwater9.4 in (24 cm) · 79 gal (300 L)77–84°F (25–29°C)
Bebe mormyrid
Hyperopisus bebe
Freshwater20.1 in (51 cm) · 264 gal (1,000 L)73–82°F (23–28°C)
Belted pike cichlid
Lugubria cincta
Freshwater10.2 in (26 cm) · 159 gal (600 L)75–82°F (24–28°C)
Bengal loach
Botia dario
Freshwater5.1 in (13 cm) · 37 gal (140 L)73–79°F (23–26°C)
Bengal tiger catfish
Batasio fluviatilis
Freshwater5 in (12.8 cm) · 29 gal (110 L)72–79°F (22–26°C)
Bethan's cory
Brochis bethanae
Freshwater2.6 in (6.5 cm) · 20 gal (75 L)73–81°F (23–27°C)
Big spot pleco
Ancistomus feldbergae
Freshwater7.9 in (20 cm) · 66 gal (250 L)79–86°F (26–30°C)
Bigeye callochromis
Callochromis macrops
Freshwater5.3 in (13.5 cm) · 79 gal (300 L)75–81°F (24–27°C)
Bigeye squeaker
Synodontis alberti
Freshwater7.9 in (20 cm) · 40 gal (150 L)72–79°F (22–26°C)
Bigeye tropheops
Tropheops macrophthalmus
Freshwater4.5 in (11.5 cm) · 66 gal (250 L)75–82°F (24–28°C)
Bigeye upside-down squeaker
Synodontis resupinatus
Freshwater11.8 in (30 cm) · 106 gal (400 L)73–81°F (23–27°C)
Bigfin dwarf cichlid
Apistogramma megaptera
Freshwater2.6 in (6.5 cm) · 16 gal (60 L)77–84°F (25–29°C)
Bigmouth dwarf cichlid
Apistogramma megastoma
Freshwater3.7 in (9.5 cm) · 26 gal (100 L)75–82°F (24–28°C)
Bigspot eartheater
Geophagus megasema
Freshwater9.1 in (23 cm) · 119 gal (450 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)
Birdsong goby
Stiphodon surrufus
Freshwater1 in (2.5 cm) · 11 gal (40 L)73–81°F (23–27°C)
Black band cory
Osteogaster zygata
Freshwater2.6 in (6.5 cm) · 21 gal (80 L)72–79°F (22–26°C)
Black calvus
Altolamprologus calvus
Freshwater5.1 in (13 cm) · 53 gal (200 L)75–81°F (24–27°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 lancer catfish
Bagrichthys macracanthus
Freshwater9.1 in (23 cm) · 55 gal (210 L)75–82°F (24–28°C)
Black ocellatus
Lamprologus speciosus
Freshwater2.2 in (5.5 cm) · 11 gal (40 L)75–81°F (24–27°C)
Black otocinclus
Hisonotus notatus
Freshwater2 in (5 cm) · 14 gal (54 L)72–81°F (22–27°C)
Black tiger dario
Dario tigris
Freshwater0.8 in (2 cm) · 5 gal (20 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)
Black-belly lamprologus
Neolamprologus nigriventris
Freshwater3.9 in (10 cm) · 42 gal (160 L)75–81°F (24–27°C)
Black-lined loach
Ambastaia nigrolineata
Freshwater3.1 in (8 cm) · 24 gal (90 L)72–81°F (22–27°C)
Black-top mouse catfish
Hassar orestis
Freshwater11.8 in (30 cm) · 106 gal (400 L)73–82°F (23–28°C)
Blackchin sand diver
Xenotilapia melanogenys
Freshwater5.9 in (15 cm) · 106 gal (400 L)75–81°F (24–27°C)
Blackedge spiny eel
Mastacembelus nigromarginatus
Freshwater19.7 in (50 cm) · 106 gal (400 L)73–82°F (23–28°C)
Blackfin cory
Hoplisoma leucomelas
Freshwater1.8 in (4.5 cm) · 16 gal (60 L)73–79°F (23–26°C)
Blackgullet firemouth
Thorichthys pasionis
Freshwater7.9 in (20 cm) · 66 gal (250 L)75–84°F (24–29°C)
Blackspot callochromis
Callochromis melanostigma
Freshwater5.9 in (15 cm) · 79 gal (300 L)75–81°F (24–27°C)
Blackstripe cory
Hoplisoma bondi
Freshwater2 in (5 cm) · 15 gal (55 L)70–79°F (21–26°C)
Blackstripe dwarf cichlid
Taeniacara candidi
Freshwater1.6 in (4 cm) · 11 gal (40 L)75–82°F (24–28°C)
Blacktop cory
Corydoras acutus
Freshwater1.7 in (4.4 cm) · 13 gal (50 L)72–82°F (22–28°C)
Bloch's catfish
Pimelodus blochii
Freshwater9.8 in (25 cm) · 53 gal (200 L)68–79°F (20–26°C)
Bloodred tiger pleco
Panaqolus claustellifer
Freshwater3.1 in (8 cm) · 42 gal (160 L)77–84°F (25–29°C)
Blotch melanochromis
Melanochromis baliodigma
Freshwater4.3 in (11 cm) · 66 gal (250 L)75–82°F (24–28°C)
Blotched darter tetra
Nannocharax macropterus
Freshwater2.4 in (6 cm) · 21 gal (80 L)73–82°F (23–28°C)
Blotched sisorid catfish
Glyptothorax macromaculatus
Freshwater6.3 in (16 cm) · 42 gal (160 L)68–79°F (20–26°C)
Blue cory
Hoplisoma nattereri
Freshwater2.6 in (6.5 cm) · 20 gal (75 L)68–73°F (20–23°C)
Blue fin roloffi
Enigmatochromis lucanusi
Freshwater2.2 in (5.5 cm) · 29 gal (110 L)73–81°F (23–27°C)
Blue flash firemouth
Thorichthys aureus
Freshwater7.1 in (18 cm) · 66 gal (250 L)75–84°F (24–29°C)
Blue gold peacock
Aulonocara korneliae
Freshwater3.9 in (10 cm) · 63 gal (240 L)75–81°F (24–27°C)
Blue gularis
Fundulopanchax sjoestedti
Freshwater4.7 in (12 cm) · 21 gal (80 L)72–79°F (22–26°C)
Blue jumper catfish
Exallodontus aguanai
Freshwater7.9 in (20 cm) · 106 gal (400 L)73–82°F (23–28°C)
Blue medusa pleco
Ancistrus macrophthalmus
Freshwater3.5 in (9 cm) · 29 gal (110 L)77–84°F (25–29°C)
Blue neon dwarf goby
Stiphodon atropurpureus
Freshwater2 in (5 cm) · 20 gal (75 L)72–81°F (22–27°C)
Blue orchid peacock
Aulonocara kandeense
Freshwater3.9 in (10 cm) · 63 gal (240 L)75–81°F (24–27°C)
Blue panaque (L239)
Baryancistrus beggini
Freshwater4.7 in (12 cm) · 30 gal (115 L)79–86°F (26–30°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-cheek dwarf cichlid
Apistogramma eunotus
Freshwater2.6 in (6.5 cm) · 20 gal (75 L)73–82°F (23–28°C)
Blue-eyed pleco
Panaque cochliodon
Freshwater11.8 in (30 cm) · 119 gal (450 L)73–82°F (23–28°C)
Blue-lipped buffalo head
Paragobiocichla irvinei
Freshwater4.3 in (11 cm) · 40 gal (150 L)75–82°F (24–28°C)
Blue-spot goby cichlid
Spathodus erythrodon
Freshwater3.3 in (8.5 cm) · 29 gal (110 L)75–81°F (24–27°C)
Bluespotted cory
Hoplisoma melanistium
Freshwater2.2 in (5.5 cm) · 16 gal (60 L)72–79°F (22–26°C)
Boeseman's cory
Hoplisoma boesemani
Freshwater2.2 in (5.5 cm) · 16 gal (60 L)73–81°F (23–27°C)
Boga labeo
Labeo boga
Freshwater11.8 in (30 cm) · 106 gal (400 L)68–81°F (20–27°C)
Bola pleco
Peckoltia bachi
Freshwater5.5 in (14 cm) · 53 gal (200 L)77–84°F (25–29°C)
Bolt catfish
Aguarunichthys torosus
Freshwater13.4 in (34 cm) · 120 gal (455 L)72–81°F (22–27°C)
Borneo black-lobe algae eater
Crossocheilus nigriloba
Freshwater4.7 in (12 cm) · 42 gal (160 L)72–79°F (22–26°C)
Borneo featherfin catfish
Silurichthys phaiosoma
Freshwater5.9 in (15 cm) · 29 gal (110 L)73–81°F (23–27°C)
Borneo hillstream loach
Gastromyzon ctenocephalus
Freshwater1.6 in (4 cm) · 20 gal (75 L)68–75°F (20–24°C)
Borneo hornet catfish
Pseudomystus funebris
Freshwater2.4 in (6 cm) · 29 gal (110 L)73–81°F (23–27°C)
Borneo kuhli loach
Pangio borneensis
Freshwater2.5 in (6.3 cm) · 20 gal (75 L)72–81°F (22–27°C)
Borneo scissortail catfish
Pseudomystus stenogrammus
Freshwater5.5 in (14 cm) · 42 gal (160 L)73–81°F (23–27°C)
Bottlenose catfish
Ageneiosus marmoratus
Freshwater7.9 in (20 cm) · 95 gal (360 L)72–79°F (22–26°C)
Brachybranchus eartheater
Geophagus brachybranchus
Freshwater6.7 in (17 cm) · 106 gal (400 L)77–84°F (25–29°C)
Branco dwarf cichlid
Biotoecus dicentrarchus
Freshwater2 in (5 cm) · 14 gal (54 L)75–82°F (24–28°C)
Brazilian ram
Mikrogeophagus maculicauda
Freshwater2.4 in (6 cm) · 14 gal (54 L)77–86°F (25–30°C)
Breidohr's vieja
Vieja breidohri
Freshwater7.9 in (20 cm) · 119 gal (450 L)75–84°F (24–29°C)
Brevis shell dweller
Neolamprologus brevis
Freshwater2.4 in (6 cm) · 16 gal (60 L)73–81°F (23–27°C)
Brichard's chalinochromis
Chalinochromis brichardi
Freshwater4.7 in (12 cm) · 53 gal (200 L)75–81°F (24–27°C)
Brichard's spiny eel
Mastacembelus brichardi
Freshwater6.7 in (17 cm) · 53 gal (200 L)75–82°F (24–28°C)
Brichard's synodontis
Synodontis brichardi
Freshwater6.3 in (16 cm) · 50 gal (190 L)72–79°F (22–26°C)
Brichard's teleogramma
Teleogramma brichardi
Freshwater4.1 in (10.5 cm) · 53 gal (200 L)73–81°F (23–27°C)
Bridge dwarf cichlid
Apistogramma gephyra
Freshwater1.8 in (4.5 cm) · 15 gal (55 L)77–84°F (25–29°C)
Bristlenose pleco
Ancistrus sp.
Freshwater4.9 in (12.5 cm) · 20 gal (75 L)70–79°F (21–26°C)4 varieties
Broadhead hillstream loach
Pseudogastromyzon laticeps
Freshwater3.1 in (8 cm) · 24 gal (90 L)64–75°F (18–24°C)
Bronze cory
Osteogaster aenea
Freshwater3 in (7.5 cm) · 20 gal (75 L)70–81°F (21–27°C)2 varieties
Brown dot peckoltia
Peckoltia oligospila
Freshwater5.9 in (15 cm) · 42 gal (160 L)77–84°F (25–29°C)
Brown pleco
Hypostomus plecostomoides
Freshwater10.2 in (26 cm) · 79 gal (300 L)77–84°F (25–29°C)
Brown-point shield skin
Aspidoras fuscoguttatus
Freshwater1.5 in (3.8 cm) · 13 gal (50 L)72–77°F (22–25°C)
Buescher's cichlid
Neolamprologus buescheri
Freshwater3.1 in (8 cm) · 42 gal (160 L)75–81°F (24–27°C)
Bug-eyed squeaker
Synodontis pleurops
Freshwater12.8 in (32.5 cm) · 106 gal (400 L)73–81°F (23–27°C)
Bugeye squeaker
Synodontis contractus
Freshwater3.9 in (10 cm) · 30 gal (114 L)72–79°F (22–26°C)
Bulldog pleco
Chaetostoma formosae
Freshwater4.3 in (11 cm) · 40 gal (150 L)68–77°F (20–25°C)
Bullwhip pimelodus
Platysilurus mucosus
Freshwater9.8 in (25 cm) · 106 gal (400 L)73–82°F (23–28°C)
Bumblebee goby
Brachygobius doriae
FreshwaterBrackish1.6 in (4 cm) · 12 gal (45 L)72–82°F (22–28°C)
Bumblebee jelly catfish
Batrochoglanis raninus
Freshwater7.9 in (20 cm) · 53 gal (200 L)73–82°F (23–28°C)
Bumblebee otocinclus
Rhinotocinclus isabelae
Freshwater0.8 in (2 cm) · 11 gal (40 L)73–82°F (23–28°C)
Burgess's cory
Hoplisoma burgessi
Freshwater2.2 in (5.5 cm) · 20 gal (75 L)72–79°F (22–26°C)
Burmese border loach
Botia histrionica
Freshwater5.1 in (13 cm) · 53 gal (200 L)72–82°F (22–28°C)
Burmese caterpillar badis
Badis pyema
Freshwater1.8 in (4.5 cm) · 11 gal (40 L)68–79°F (20–26°C)
Burmese marble bee catfish
Akysis prashadi
Freshwater2.8 in (7 cm) · 14 gal (54 L)72–79°F (22–26°C)
Burmese mini moth catfish
Hara minuscula
Freshwater1.2 in (3 cm) · 11 gal (40 L)68–79°F (20–26°C)
Burmese spiny eel
Macrognathus orthosemos
Freshwater8.7 in (22 cm) · 53 gal (200 L)73–82°F (23–28°C)
Burmese stone loach
Balitora burmanica
Freshwater3.9 in (10 cm) · 25 gal (95 L)68–79°F (20–26°C)
Bussing's cichlid
Cribroheros bussingi
Freshwater7.1 in (18 cm) · 79 gal (300 L)75–84°F (24–29°C)
Butter catfish
Ompok bimaculatus
Freshwater17.7 in (45 cm) · 53 gal (200 L)68–82°F (20–28°C)
Butterfly hara catfish
Hara hara
Freshwater3.1 in (8 cm) · 14 gal (54 L)68–79°F (20–26°C)
Butterfly loach
Beaufortia kweichowensis
Freshwater3 in (7.5 cm) · 25 gal (95 L)61–75°F (16–24°C)
Butterfly moth catfish
Erethistes pusillus
Freshwater2 in (5 cm) · 14 gal (54 L)68–79°F (20–26°C)
Butterfly pleco (L168)
Dekeyseria brachyura
Freshwater5.5 in (14 cm) · 40 gal (150 L)77–84°F (25–29°C)
Butterfly xenotilapia
Xenotilapia papilio
Freshwater3.1 in (8 cm) · 53 gal (200 L)75–81°F (24–27°C)
Büttikofer's pelmatochromis
Pelmatochromis buettikoferi
Freshwater9.1 in (23 cm) · 106 gal (400 L)73–81°F (23–27°C)
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