All aquarium species: A
All species whose common name starts with A, in alphabetical order. Each card links to its care guide.
146 species and 9 varieties
Abalios eartheater
Geophagus abalios
Freshwater9.8 in (25 cm) · 119 gal (450 L)77–84°F (25–29°C)
Abei puffer
Pao abei
Freshwater4.7 in (12 cm) · 42 gal (160 L)75–82°F (24–28°C)
Ablabes barb
Enteromius ablabes
Freshwater3.1 in (8 cm) · 24 gal (90 L)72–81°F (22–27°C)
Acan coral
Acanthastrea echinata
Saltwater7.9 in (20 cm) · 11 gal (40 L)75–81°F (24–27°C)
Acan lord coral
Micromussa lordhowensis
Saltwater5.9 in (15 cm) · 11 gal (40 L)75–81°F (24–27°C)
Achilles tang
Acanthurus achilles
Saltwater9.4 in (24 cm) · 180 gal (680 L)75–81°F (24–27°C)
Acora festivum
Mesonauta acora
Freshwater4.7 in (12 cm) · 66 gal (250 L)75–82°F (24–28°C)
Adolfo's cory
Hoplisoma adolfoi
Freshwater2.4 in (6 cm) · 20 gal (75 L)70–79°F (21–26°C)
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)
Adorned wrasse
Halichoeres cosmetus
Saltwater5.1 in (13 cm) · 50 gal (190 L)73–81°F (23–27°C)
Adujai lizard tetra
Iguanodectes adujai
Freshwater2.8 in (7 cm) · 24 gal (90 L)75–82°F (24–28°C)
Afra cichlid
Cynotilapia afra
Freshwater3.9 in (10 cm) · 29 gal (110 L)77–84°F (25–29°C)
African algae-eating goby
Parasicydium bandama
Freshwater2.2 in (5.5 cm) · 14 gal (54 L)73–81°F (23–27°C)
African angelfish
Holacanthus africanus
Saltwater17.7 in (45 cm) · 251 gal (950 L)73–81°F (23–27°C)
African arowana
Heterotis niloticus
Freshwater39.4 in (100 cm) · 528 gal (2,000 L)75–82°F (24–28°C)
African banded barb
Barbus fasciolatus
Freshwater2.4 in (6 cm) · 20 gal (75 L)68–79°F (20–26°C)
African butter catfish
Schilbe intermedius
Freshwater19.7 in (50 cm) · 264 gal (1,000 L)73–82°F (23–28°C)
African butterfly barb
Barbus hulstaerti
Freshwater1.4 in (3.5 cm) · 11 gal (40 L)63–75°F (17–24°C)
African butterfly cichlid
Anomalochromis thomasi
Freshwater3.1 in (8 cm) · 25 gal (95 L)73–81°F (23–27°C)
African butterflyfish
Pantodon buchholzi
Freshwater4.7 in (12 cm) · 25 gal (95 L)73–86°F (23–30°C)
African eel catfish
Channallabes apus
Freshwater13 in (33 cm) · 53 gal (200 L)72–82°F (22–28°C)
African featherfin knifefish
Papyrocranus afer
Freshwater31.5 in (80 cm) · 159 gal (600 L)75–82°F (24–28°C)
African flameback angelfish
Centropyge acanthops
Saltwater3.1 in (8 cm) · 29 gal (110 L)72–79°F (22–26°C)
African freshwater pipefish
Enneacampus ansorgii
Freshwater5.5 in (14 cm) · 32 gal (120 L)75–82°F (24–28°C)
African glass cat
Parailia pellucida
Freshwater4.7 in (12 cm) · 40 gal (150 L)73–82°F (23–28°C)
African knifefish
Xenomystus nigri
Freshwater11.8 in (30 cm) · 53 gal (200 L)73–82°F (23–28°C)
African leaf fish
Polycentropsis abbreviata
Freshwater3.1 in (8 cm) · 20 gal (75 L)79–88°F (26–31°C)
African mangrove crab
Goniopsis pelii
Brackish2.4 in (6 cm) · 24 gal (90 L)75–86°F (24–30°C)
African moon tetra
Bathyaethiops caudomaculatus
Freshwater3.1 in (8 cm) · 22 gal (85 L)72–77°F (22–25°C)
African oneline tetra
Nannaethiops unitaeniatus
Freshwater2.6 in (6.5 cm) · 16 gal (60 L)72–79°F (22–26°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 snakehead
Parachanna obscura
Freshwater17.7 in (45 cm) · 74 gal (280 L)79–86°F (26–30°C)
African tiger scat
Scatophagus tetracanthus
BrackishSaltwater11.8 in (30 cm) · 159 gal (600 L)73–82°F (23–28°C)
African tigerfish
Hydrocynus vittatus
Freshwater29.5 in (75 cm) · 1,057 gal (4,000 L)75–82°F (24–28°C)
Agassiz's cory
Brochis agassizii
Freshwater2.8 in (7 cm) · 24 gal (90 L)72–79°F (22–26°C)
Agassiz's dwarf cichlid
Apistogramma agassizii
Freshwater3.5 in (9 cm) · 20 gal (75 L)72–84°F (22–29°C)
Aguaboa bristlenose pleco
Ancistrus aguaboensis
Freshwater3.1 in (8 cm) · 29 gal (110 L)77–84°F (25–29°C)
Agulha tetra
Hyphessobrycon agulha
Freshwater2 in (5.2 cm) · 17 gal (65 L)72–81°F (22–27°C)
Aiptasia eating filefish
Acreichthys tomentosus
Saltwater5.5 in (14 cm) · 30 gal (114 L)72–79°F (22–26°C)
Aizawl loach
Schistura aizawlensis
Freshwater2.4 in (6 cm) · 20 gal (75 L)68–79°F (20–26°C)
Ajamaru Lakes rainbowfish
Melanotaenia ajamaruensis
Freshwater4.3 in (11 cm) · 42 gal (160 L)75–84°F (24–29°C)
Ajime loach
Niwaella delicata
Freshwater3.7 in (9.5 cm) · 29 gal (110 L)50–72°F (10–22°C)
Akar betta
Betta akarensis
Freshwater3.1 in (8 cm) · 20 gal (75 L)70–81°F (21–27°C)
Alacrina dwarf cichlid
Apistogramma alacrina
Freshwater2.8 in (7 cm) · 20 gal (75 L)73–82°F (23–28°C)
Albater cory
Aspidoras albater
Freshwater1.6 in (4 cm) · 16 gal (60 L)72–77°F (22–25°C)
Alfred's licorice gourami
Parosphromenus alfredi
Freshwater1.3 in (3.2 cm) · 5 gal (20 L)72–81°F (22–27°C)
Allen's damsel
Pomacentrus alleni
Saltwater2.4 in (6 cm) · 29 gal (110 L)75–81°F (24–27°C)
Allen's rainbowfish
Chilatherina alleni
Freshwater3 in (7.6 cm) · 29 gal (110 L)75–84°F (24–29°C)
Allpahuayo dwarf cichlid
Apistogramma allpahuayo
Freshwater2 in (5 cm) · 16 gal (60 L)75–82°F (24–28°C)
Alluaud's haplo
Astatoreochromis alluaudi
Freshwater7.5 in (19 cm) · 55 gal (210 L)73–82°F (23–28°C)
Alta pike cichlid
Crenicichla alta
Freshwater7.5 in (19 cm) · 106 gal (400 L)75–82°F (24–28°C)
Altifrons cichlid
Cribroheros altifrons
Freshwater6.3 in (16 cm) · 79 gal (300 L)75–84°F (24–29°C)
Altum angelfish
Pterophyllum altum
Freshwater7.1 in (18 cm) · 45 gal (170 L)79–90°F (26–32°C)
Altus lethrinops
Lethrinops altus
Freshwater6.3 in (16 cm) · 79 gal (300 L)75–81°F (24–27°C)
Altus tetra
Brachypetersius altus
Freshwater2.6 in (6.5 cm) · 30 gal (112 L)73–82°F (23–28°C)
Alveopora coral
Alveopora
Saltwater7.9 in (20 cm) · 11 gal (40 L)75–81°F (24–27°C)
Amanda Jane's cory
Brochis amandajanea
Freshwater2.6 in (6.5 cm) · 20 gal (75 L)75–82°F (24–28°C)
Amano shrimp
Caridina multidentata
FreshwaterBrackish2 in (5 cm) · 8 gal (30 L)59–81°F (15–27°C)
Amapa tetra
Hyphessobrycon amapaensis
Freshwater1.4 in (3.6 cm) · 15 gal (55 L)73–82°F (23–28°C)
Amazon leaf fish
Monocirrhus polyacanthus
Freshwater3.5 in (9 cm) · 30 gal (115 L)73–84°F (23–29°C)
Amazon molly
Poecilia formosa
Freshwater3.5 in (9 cm) · 20 gal (75 L)68–82°F (20–28°C)
Amazon port cichlid
Cichlasoma amazonarum
Freshwater6.3 in (16 cm) · 53 gal (200 L)75–82°F (24–28°C)
Amazon puffer
Colomesus asellus
Freshwater4.7 in (12 cm) · 26 gal (100 L)72–82°F (22–28°C)
Amazon sail-fin dwarf cichlid
Apistogramma pertensis
Freshwater2 in (5 cm) · 15 gal (55 L)77–84°F (25–29°C)
Amazon sailfin catfish
Pterygoplichthys pardalis
Freshwater17.7 in (45 cm) · 100 gal (380 L)72–84°F (22–29°C)
Amber-finned lampeye
Foerschichthys flavipinnis
Freshwater1.4 in (3.5 cm) · 11 gal (40 L)72–79°F (22–26°C)
Amboina cardinalfish
Fibramia amboinensis
Saltwater3.5 in (9 cm) · 50 gal (190 L)72–79°F (22–26°C)
American flagfish
Jordanella floridae
Freshwater2.2 in (5.5 cm) · 18 gal (70 L)63–73°F (17–23°C)
Amiet's lyretail
Fundulopanchax amieti
Freshwater2.8 in (7 cm) · 14 gal (54 L)68–77°F (20–25°C)
Ammer rainbowfish
Melanotaenia ammeri
Freshwater4.6 in (11.7 cm) · 42 gal (160 L)77–86°F (25–30°C)
Anabatoides betta
Betta anabatoides
Freshwater3.2 in (8.2 cm) · 26 gal (100 L)79–84°F (26–29°C)
Anagenys hap
Exochochromis anagenys
Freshwater9.8 in (25 cm) · 159 gal (600 L)75–81°F (24–27°C)
Anaphyrmus hap
Mylochromis anaphyrmus
Freshwater8.7 in (22 cm) · 106 gal (400 L)75–82°F (24–28°C)
Ancestor cory
Hoplisoma noxium
Freshwater2.4 in (6 cm) · 16 gal (60 L)75–82°F (24–28°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)
Anemone hermit crab
Dardanus pedunculatus
Saltwater3.9 in (10 cm) · 40 gal (150 L)72–81°F (22–27°C)
Angelfish
Pterophyllum scalare
Freshwater5.9 in (15 cm) · 30 gal (115 L)75–86°F (24–30°C)9 varieties
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)
Annandale danio
Devario annandalei
Freshwater4.3 in (11 cm) · 42 gal (160 L)68–79°F (20–26°C)
Annie's goby
Stiphodon annieae
Freshwater1.2 in (3 cm) · 14 gal (54 L)73–81°F (23–27°C)
Annularis angelfish
Pomacanthus annularis
Saltwater17.7 in (45 cm) · 219 gal (830 L)73–81°F (23–27°C)
Ansorge's bichir
Polypterus ansorgii
Freshwater15.7 in (40 cm) · 119 gal (450 L)75–82°F (24–28°C)
Ansorge's neolebias
Neolebias ansorgii
Freshwater1.4 in (3.5 cm) · 11 gal (40 L)75–82°F (24–28°C)
Ant tetra
Hyphessobrycon myrmex
Freshwater1.1 in (2.9 cm) · 10 gal (38 L)72–81°F (22–27°C)
Antenna whiptail
Pterosturisoma microps
Freshwater6.3 in (16 cm) · 40 gal (150 L)73–82°F (23–28°C)
Antennata lionfish
Pterois antennata
Saltwater7.9 in (20 cm) · 79 gal (300 L)75–81°F (24–27°C)Antoni betta
Betta antoni
Freshwater2 in (5 cm) · 16 gal (60 L)72–81°F (22–27°C)
Antuta betta
Betta sp. 'Antuta'
Freshwater3.9 in (10 cm) · 26 gal (100 L)70–81°F (21–27°C)Api api betta
Betta mulyadii
Freshwater1.1 in (2.8 cm) · 8 gal (30 L)75–84°F (24–29°C)
Apiaka cory
Hoplisoma apiaka
Freshwater1.8 in (4.5 cm) · 15 gal (55 L)75–82°F (24–28°C)
Apollo shark minnow
Luciosoma setigerum
Freshwater11.8 in (30 cm) · 106 gal (400 L)72–81°F (22–27°C)
Apollon betta
Betta apollon
Freshwater2.2 in (5.5 cm) · 16 gal (60 L)73–81°F (23–27°C)
Apple snail
Pomacea canaliculata
Freshwater5.9 in (15 cm) · 21 gal (80 L)64–81°F (18–27°C)
Apricot crayfish
Cherax holthuisi
Freshwater4.7 in (12 cm) · 20 gal (75 L)72–82°F (22–28°C)
Apsara barb
Dawkinsia apsara
Freshwater3.5 in (9 cm) · 42 gal (160 L)70–79°F (21–26°C)
Apure jelly catfish
Cephalosilurus apurensis
Freshwater11.8 in (30 cm) · 106 gal (400 L)73–82°F (23–28°C)
Arabian toothcarp
Aphanius dispar
Freshwater2.8 in (7 cm) · 30 gal (115 L)59–86°F (15–30°C)
Araguaia dwarf acara
Laetacara araguaiae
Freshwater1.8 in (4.5 cm) · 14 gal (54 L)75–82°F (24–28°C)
Arapaima
Arapaima gigas
Freshwater118.1 in (300 cm) · 10,567 gal (40,000 L)77–86°F (25–30°C)
Arc-eye hawkfish
Paracirrhites arcatus
Saltwater7.9 in (20 cm) · 40 gal (150 L)72–79°F (22–26°C)
Argentine pearl killifish
Austrolebias nigripinnis
Freshwater2.8 in (7 cm) · 18 gal (70 L)64–75°F (18–24°C)
Argentine pearlfish
Austrolebias bellottii
Freshwater2.8 in (7 cm) · 14 gal (54 L)61–75°F (16–24°C)
Arnold's killifish
Fundulopanchax arnoldi
Freshwater3 in (7.5 cm) · 14 gal (54 L)68–77°F (20–25°C)
Arowana tetra
Gnathocharax steindachneri
Freshwater2 in (5 cm) · 21 gal (80 L)73–82°F (23–28°C)
Arrow crab
Stenorhynchus seticornis
Saltwater3.9 in (10 cm) · 30 gal (115 L)72–79°F (22–26°C)
Arrow loach
Nemacheilus masyae
Freshwater6.3 in (16 cm) · 42 gal (160 L)72–81°F (22–27°C)
Arrow midas cichlid
Amphilophus sagittae
Freshwater7.5 in (19 cm) · 119 gal (450 L)75–84°F (24–29°C)
Arrowhead puffer
Pao suvattii
Freshwater5.9 in (15 cm) · 26 gal (100 L)72–79°F (22–26°C)
Arroyo cichlid
Theraps irregularis
Freshwater9.1 in (23 cm) · 106 gal (400 L)75–84°F (24–29°C)
Arulius barb
Dawkinsia arulius
Freshwater4.7 in (12 cm) · 37 gal (140 L)66–77°F (19–25°C)
Asfur angelfish
Pomacanthus asfur
Saltwater15.7 in (40 cm) · 135 gal (510 L)75–82°F (24–28°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 bumblebee catfish
Pseudomystus siamensis
Freshwater5.9 in (15 cm) · 30 gal (115 L)68–79°F (20–26°C)
Asian glass hatchetfish
Parachela oxygastroides
Freshwater7.9 in (20 cm) · 79 gal (300 L)73–82°F (23–28°C)
Asian gold clam
Corbicula fluminea
Freshwater2 in (5 cm) · 29 gal (110 L)64–84°F (18–29°C)
Asian redtail catfish
Hemibagrus wyckioides
Freshwater39.4 in (100 cm) · 450 gal (1,703 L)72–82°F (22–28°C)
Asian stone catfish
Hara jerdoni
Freshwater1.6 in (4 cm) · 11 gal (40 L)64–75°F (18–24°C)
Asian upside-down catfish
Mystus leucophasis
Freshwater11.8 in (30 cm) · 50 gal (190 L)72–79°F (22–26°C)
Aspidoras cory-cat
Aspidoras raimundi
Freshwater1.8 in (4.5 cm) · 15 gal (55 L)68–77°F (20–25°C)
Assam banded loach
Neonoemacheilus assamensis
Freshwater1.8 in (4.5 cm) · 14 gal (54 L)68–79°F (20–26°C)
Assam giant danio
Devario assamensis
Freshwater4.3 in (11 cm) · 42 gal (160 L)68–79°F (20–26°C)
Assassin snail
Anentome helena
Freshwater1 in (2.5 cm) · 5 gal (20 L)72–81°F (22–27°C)
Astraea turbo snail
Astraea tecta
Saltwater1 in (2.5 cm) · 11 gal (40 L)72–79°F (22–26°C)
Atabapo butterfly pleco
Dekeyseria picta
Freshwater5.5 in (14 cm) · 53 gal (200 L)77–84°F (25–29°C)
Atlantic blue tang
Acanthurus coeruleus
Saltwater13.8 in (35 cm) · 151 gal (570 L)75–81°F (24–27°C)
Atlantic sand fiddler crab
Leptuca pugilator
Brackish1 in (2.5 cm) · 11 gal (40 L)68–82°F (20–28°C)
Atripinnis hap
Copadichromis atripinnis
Freshwater5.9 in (15 cm) · 70 gal (265 L)75–82°F (24–28°C)
Atromaculatus cichlid
Mesoheros atromaculatus
Freshwater9.8 in (25 cm) · 106 gal (400 L)75–84°F (24–29°C)
Attenuatus cichlid
Lepidiolamprologus attenuatus
Freshwater5.9 in (15 cm) · 66 gal (250 L)75–81°F (24–27°C)
Auratus cichlid
Melanochromis auratus
Freshwater4.3 in (11 cm) · 53 gal (200 L)75–82°F (24–28°C)Aurigans betta
Betta aurigans
Freshwater2.9 in (7.3 cm) · 16 gal (60 L)72–81°F (22–27°C)
Aurora anemone
Heteractis aurora
Saltwater11.8 in (30 cm) · 50 gal (190 L)72–79°F (22–26°C)
Aurora cichlid
Maylandia aurora
Freshwater4.7 in (12 cm) · 30 gal (115 L)75–81°F (24–27°C)
Aurora tetra
Moenkhausia aurora
Freshwater2 in (5.2 cm) · 20 gal (75 L)73–82°F (23–28°C)
Australian flathead perch
Rainfordia opercularis
Saltwater5.9 in (15 cm) · 79 gal (300 L)72–79°F (22–26°C)
Australian rainbowfish
Melanotaenia fluviatilis
Freshwater4.3 in (11 cm) · 30 gal (115 L)68–77°F (20–25°C)
Axelrod's glass tetra
Brittanichthys axelrodi
Freshwater1.3 in (3.3 cm) · 14 gal (54 L)75–82°F (24–28°C)
Axelrod's neolebias
Neolebias axelrodi
Freshwater0.9 in (2.2 cm) · 11 gal (40 L)73–81°F (23–27°C)
Azure damsel
Chrysiptera hemicyanea
Saltwater2.8 in (7 cm) · 29 gal (110 L)75–81°F (24–27°C)
Azure tetra
Heterocharax virgulatus
Freshwater1.6 in (4 cm) · 14 gal (54 L)73–82°F (23–28°C)
Azureus
Copadichromis azureus
Freshwater5.9 in (15 cm) · 79 gal (300 L)77–82°F (25–28°C)
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