Advanced freshwater fish: A
All advanced freshwater fish whose common name starts with A, in alphabetical order. Each card links to its care guide.
24 species
Adonis pleco (L155)
Acanthicus adonis
Freshwater35.4 in (90 cm) · 264 gal (1,000 L)77–84°F (25–29°C)
Adonis tetra
Lepidarchus adonis
Freshwater1 in (2.5 cm) · 11 gal (40 L)72–79°F (22–26°C)
African arowana
Heterotis niloticus
Freshwater39.4 in (100 cm) · 528 gal (2,000 L)75–82°F (24–28°C)
African butter catfish
Schilbe intermedius
Freshwater19.7 in (50 cm) · 264 gal (1,000 L)73–82°F (23–28°C)
African featherfin knifefish
Papyrocranus afer
Freshwater31.5 in (80 cm) · 159 gal (600 L)75–82°F (24–28°C)
African pike characin
Hepsetus odoe
Freshwater19.7 in (50 cm) · 396 gal (1,500 L)72–81°F (22–27°C)
African red-striped pipefish
Microphis aculeatus
FreshwaterBrackish7.9 in (20 cm) · 32 gal (120 L)75–82°F (24–28°C)
African tigerfish
Hydrocynus vittatus
Freshwater29.5 in (75 cm) · 1,057 gal (4,000 L)75–82°F (24–28°C)
Ajime loach
Niwaella delicata
Freshwater3.7 in (9.5 cm) · 29 gal (110 L)50–72°F (10–22°C)
Alfred's licorice gourami
Parosphromenus alfredi
Freshwater1.3 in (3.2 cm) · 5 gal (20 L)72–81°F (22–27°C)
Altum angelfish
Pterophyllum altum
Freshwater7.1 in (18 cm) · 45 gal (170 L)79–90°F (26–32°C)
Amazon puffer
Colomesus asellus
Freshwater4.7 in (12 cm) · 26 gal (100 L)72–82°F (22–28°C)Andrei betta
Betta andrei
Freshwater2 in (5.1 cm) · 24 gal (90 L)73–81°F (23–27°C)
Anduzei pencilfish
Nannostomus anduzei
Freshwater0.7 in (1.9 cm) · 5 gal (20 L)75–82°F (24–28°C)
Anjungan licorice gourami
Parosphromenus anjunganensis
Freshwater1.4 in (3.5 cm) · 11 gal (40 L)72–82°F (22–28°C)
Annam hillstream loach
Annamia normani
Freshwater3.7 in (9.4 cm) · 25 gal (95 L)68–77°F (20–25°C)
Annie's goby
Stiphodon annieae
Freshwater1.2 in (3 cm) · 14 gal (54 L)73–81°F (23–27°C)Api api betta
Betta mulyadii
Freshwater1.1 in (2.8 cm) · 8 gal (30 L)75–84°F (24–29°C)
Arabian toothcarp
Aphanius dispar
Freshwater2.8 in (7 cm) · 30 gal (115 L)59–86°F (15–30°C)
Arapaima
Arapaima gigas
Freshwater118.1 in (300 cm) · 10,567 gal (40,000 L)77–86°F (25–30°C)
Asian arowana
Scleropages formosus
Freshwater35.4 in (90 cm) · 264 gal (1,000 L)75–86°F (24–30°C)
Asian banjo catfish
Acrochordonichthys rugosus
Freshwater4.3 in (11 cm) · 25 gal (95 L)64–75°F (18–24°C)
Asian redtail catfish
Hemibagrus wyckioides
Freshwater39.4 in (100 cm) · 450 gal (1,703 L)72–82°F (22–28°C)
Axelrod's glass tetra
Brittanichthys axelrodi
Freshwater1.3 in (3.3 cm) · 14 gal (54 L)75–82°F (24–28°C)
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