Bottom-dwelling aquarium fish: F
All bottom dwellers whose common name starts with F, in alphabetical order. Each card links to its care guide.
48 species

Fairy cory
Hoplisoma atropersonatum
Freshwater2 in (5 cm) · 16 gal (60 L)70–81°F (21–27°C)
Fairy dwarf cichlid
Biotoecus opercularis
Freshwater1.6 in (4 cm) · 20 gal (75 L)77–86°F (25–30°C)
False bandit cory
Hoplisoma melini
Freshwater2 in (5 cm) · 16 gal (60 L)72–79°F (22–26°C)
False blochi cory
Brochis delphax
Freshwater2.4 in (6 cm) · 20 gal (75 L)72–79°F (22–26°C)
False network catfish
Brochis sodalis
Freshwater2.2 in (5.5 cm) · 16 gal (60 L)72–79°F (22–26°C)
Fang's hillstream loach
Pseudogastromyzon fangi
Freshwater3.9 in (10 cm) · 25 gal (95 L)64–75°F (18–24°C)
Fathead minnow
Pimephales promelas
Freshwater3 in (7.5 cm) · 20 gal (75 L)50–72°F (10–22°C)
Featherfin squeaker
Synodontis eupterus
Freshwater7.9 in (20 cm) · 45 gal (170 L)72–81°F (22–27°C)
Fighting gaucho
Cynopoecilus melanotaenia
Freshwater1.8 in (4.5 cm) · 5 gal (20 L)64–75°F (18–24°C)
Filament moth catfish
Hara filamentosa
Freshwater2.4 in (6 cm) · 14 gal (54 L)68–79°F (20–26°C)
Filament squeaker
Synodontis filamentosus
Freshwater11.8 in (30 cm) · 106 gal (400 L)73–81°F (23–27°C)Fine-spotted eartheater
Satanoperca mapiritensis
Freshwater6.7 in (17 cm) · 106 gal (400 L)77–84°F (25–29°C)
Finespot hillstream loach
Sewellia analis
Freshwater2.4 in (6 cm) · 24 gal (90 L)68–75°F (20–24°C)
Fire eel
Mastacembelus erythrotaenia
Freshwater39.4 in (100 cm) · 132 gal (500 L)75–82°F (24–28°C)
Fire-eyed loach
Barbucca diabolica
Freshwater1.2 in (3 cm) · 11 gal (40 L)72–79°F (22–26°C)
Fire-tail dwarf cichlid
Apistogramma eremnopyge
Freshwater1.8 in (4.5 cm) · 16 gal (60 L)73–81°F (23–27°C)
Fireback zebra
Maylandia pyrsonotos
Freshwater4.3 in (11 cm) · 53 gal (200 L)75–82°F (24–28°C)
Firemouth cichlid
Thorichthys meeki
Freshwater5.9 in (15 cm) · 30 gal (115 L)73–82°F (23–28°C)
Firewood catfish
Sorubimichthys planiceps
Freshwater59.1 in (150 cm) · 793 gal (3,000 L)72–82°F (22–28°C)
Five spot cichlid
Thysochromis ansorgii
Freshwater4.1 in (10.5 cm) · 53 gal (200 L)73–81°F (23–27°C)
Five-bar cichlid
Neolamprologus tretocephalus
Freshwater5.9 in (15 cm) · 53 gal (200 L)73–81°F (23–27°C)
Flagtail catfish
Dianema urostriatum
Freshwater4.9 in (12.5 cm) · 40 gal (150 L)77–82°F (25–28°C)
Flame callochromis
Callochromis pleurospilus
Freshwater3.9 in (10 cm) · 66 gal (250 L)75–81°F (24–27°C)
Flame jewel badis
Dario kajal
Freshwater0.8 in (2 cm) · 5 gal (20 L)64–79°F (18–26°C)
Flaming arrow goby
Sicyopus zosterophorus
Freshwater1.8 in (4.5 cm) · 14 gal (54 L)73–81°F (23–27°C)
Flash pleco (L204)
Panaqolus albivermis
Freshwater5.1 in (13 cm) · 40 gal (150 L)77–84°F (25–29°C)
Flat flyer pleco
Pseudolithoxus anthrax
Freshwater5.5 in (14 cm) · 53 gal (200 L)79–86°F (26–30°C)
Flathead loach
Nemacheilus platiceps
Freshwater2.9 in (7.3 cm) · 24 gal (90 L)72–81°F (22–27°C)
Flying fox
Epalzeorhynchos kalopterum
Freshwater6.3 in (16 cm) · 37 gal (140 L)68–79°F (20–26°C)
Fog talking catfish
Rhinodoras boehlkei
Freshwater6.7 in (17 cm) · 79 gal (300 L)73–82°F (23–28°C)
Forest snakehead
Channa lucius
Freshwater15.7 in (40 cm) · 70 gal (265 L)68–86°F (20–30°C)
Fork-tailed loach
Vaillantella maassi
Freshwater4.7 in (12 cm) · 46 gal (175 L)73–84°F (23–29°C)
Forktail spiny loach
Lepidocephalichthys furcatus
Freshwater2.4 in (6 cm) · 20 gal (75 L)73–82°F (23–28°C)
Four-line pimelodus
Pimelodus albofasciatus
Freshwater11.8 in (30 cm) · 106 gal (400 L)73–82°F (23–28°C)
Four-spot otopharynx
Otopharynx tetrastigma
Freshwater6.3 in (16 cm) · 79 gal (300 L)75–81°F (24–27°C)
Fourspine lamprologus
Neolamprologus tetracanthus
Freshwater7.9 in (20 cm) · 79 gal (300 L)75–81°F (24–27°C)
Fowler's cory
Corydoras fowleri
Freshwater2.8 in (7 cm) · 26 gal (100 L)72–79°F (22–26°C)
Fowler's hemiodus
Bivibranchia fowleri
Freshwater7.5 in (19 cm) · 106 gal (400 L)75–84°F (24–29°C)
Freckled lizard loach
Formosania stigmata
Freshwater3.9 in (10 cm) · 25 gal (95 L)61–75°F (16–24°C)
Freckled rheoheros
Rheoheros lentiginosus
Freshwater9.8 in (25 cm) · 106 gal (400 L)75–84°F (24–29°C)
Frecklefin spiny eel
Macrognathus maculatus
Freshwater11 in (28 cm) · 66 gal (250 L)73–82°F (23–28°C)
Freshwater blenny
Salaria fluviatilis
Freshwater5.9 in (15 cm) · 25 gal (95 L)54–68°F (12–20°C)
Freshwater bumblebee goby
Brachygobius aggregatus
Freshwater1.6 in (4 cm) · 11 gal (40 L)75–82°F (24–28°C)
Freshwater moray eel
Gymnothorax polyuranodon
FreshwaterBrackish35.4 in (90 cm) · 159 gal (600 L)73–82°F (23–28°C)
Freshwater pipefish
Doryichthys martensii
Freshwater5.9 in (15 cm) · 32 gal (120 L)75–82°F (24–28°C)
Freshwater sole
Brachirus panoides
Freshwater7.9 in (20 cm) · 55 gal (208 L)73–82°F (23–28°C)
Froehlich's cory
Hoplisoma froehlichi
Freshwater2.4 in (6 cm) · 20 gal (75 L)72–79°F (22–26°C)
Fuller's cory
Corydoras fulleri
Freshwater2.6 in (6.5 cm) · 20 gal (75 L)73–81°F (23–27°C)
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