All aquarium species: C
All species whose common name starts with C, in alphabetical order. Each card links to its care guide.
229 species and 4 varieties
Cabbage leather coral
Sinularia dura
Saltwater11.8 in (30 cm) · 40 gal (150 L)75–81°F (24–27°C)
Cachimbo tetra
Hyphessobrycon cachimbensis
Freshwater2.7 in (6.8 cm) · 26 gal (100 L)72–81°F (22–27°C)
Cactus coral
Pavona cactus
Saltwater11.8 in (30 cm) · 20 gal (75 L)75–81°F (24–27°C)
Caesiura pygmygoby
Trimma caesiura
Saltwater1.4 in (3.5 cm) · 10 gal (38 L)72–79°F (22–26°C)
Cajun dwarf crayfish
Cambarellus shufeldtii
Freshwater1.6 in (4 cm) · 5 gal (20 L)64–79°F (18–26°C)
Caledonian red nose goby
Lentipes kaaea
Freshwater2.4 in (6 cm) · 14 gal (54 L)73–81°F (23–27°C)
Callolepis firemouth
Thorichthys callolepis
Freshwater6.7 in (17 cm) · 66 gal (250 L)75–84°F (24–29°C)
Calobre cichlid
Darienheros calobrensis
Freshwater9.8 in (25 cm) · 106 gal (400 L)75–84°F (24–29°C)
Calypso tetra
Hyphessobrycon axelrodi
Freshwater1.1 in (2.8 cm) · 10 gal (38 L)72–82°F (22–28°C)
Cambodian log sucker
Garra cambodgiensis
Freshwater5.9 in (15 cm) · 32 gal (120 L)68–81°F (20–27°C)
Camel / dancing shrimp
Rhynchocinetes durbanensis
Saltwater2 in (5 cm) · 16 gal (60 L)75–81°F (24–27°C)
Cameroon barb
Enteromius camptacanthus
Freshwater3.9 in (10 cm) · 24 gal (90 L)72–81°F (22–27°C)
Canara pearlspot
Etroplus canarensis
Freshwater4.3 in (11 cm) · 55 gal (210 L)72–90°F (22–32°C)
Canary fang blenny
Meiacanthus oualanensis
Saltwater3.9 in (10 cm) · 40 gal (150 L)72–79°F (22–26°C)
Candy basslet
Liopropoma carmabi
Saltwater2.4 in (6 cm) · 26 gal (100 L)72–79°F (22–26°C)
Candy cane coral
Caulastraea furcata
Saltwater7.9 in (20 cm) · 11 gal (40 L)75–81°F (24–27°C)
Candy stripe goby
Awaous flavus
Freshwater3.9 in (10 cm) · 29 gal (110 L)75–82°F (24–28°C)
Candy striped pleco (L015)
Peckoltia vittata
Freshwater4.7 in (12 cm) · 30 gal (115 L)77–84°F (25–29°C)
Canius barb
Pethia canius
Freshwater1.6 in (4 cm) · 20 gal (75 L)68–79°F (20–26°C)
Caquetá whiptail
Spatuloricaria caquetae
Freshwater13.8 in (35 cm) · 106 gal (400 L)75–82°F (24–28°C)
Caramater cory
Corydoras caramater
Freshwater2.2 in (5.5 cm) · 20 gal (75 L)75–82°F (24–28°C)
Cardinal nothobranch
Nothobranchius cardinalis
Freshwater1.6 in (4 cm) · 11 gal (40 L)72–79°F (22–26°C)
Cardinal tetra
Paracheirodon axelrodi
Freshwater1.8 in (4.5 cm) · 16 gal (60 L)73–84°F (23–29°C)
Cardinal toothcarp
Brachyrhaphis roseni
Freshwater2.4 in (6 cm) · 16 gal (60 L)72–86°F (22–30°C)
Caribbean doughnut coral
Scolymia cubensis
Saltwater3.9 in (10 cm) · 20 gal (75 L)73–81°F (23–27°C)
Caribbean long-spined urchin
Diadema antillarum
Saltwater3.9 in (10 cm) · 79 gal (300 L)72–81°F (22–27°C)
Carla's cory
Hoplisoma carlae
Freshwater2.4 in (6 cm) · 16 gal (60 L)68–77°F (20–25°C)
Carlgren's mushroom
Discosoma carlgreni
Saltwater2 in (5 cm) · 11 gal (40 L)75–81°F (24–27°C)
Carnation coral
Dendronephthya
Saltwater9.8 in (25 cm) · 20 gal (75 L)75–81°F (24–27°C)
Carpenter's flasher wrasse
Paracheilinus carpenteri
Saltwater3.1 in (8 cm) · 53 gal (200 L)73–81°F (23–27°C)
Cascajal toothcarp
Brachyrhaphis cascajalensis
Freshwater3 in (7.5 cm) · 11 gal (40 L)75–82°F (24–28°C)
Cascarudo
Callichthys callichthys
Freshwater7.9 in (20 cm) · 63 gal (240 L)66–81°F (19–27°C)
Cat's paw coral
Stylophora pistillata
Saltwater5.9 in (15 cm) · 20 gal (75 L)75–81°F (24–27°C)
Catalina goby
Lythrypnus dalli
Saltwater2.4 in (6 cm) · 11 gal (40 L)59–72°F (15–22°C)
Cauca molly
Poecilia caucana
FreshwaterBrackish2.4 in (6 cm) · 16 gal (60 L)77–86°F (25–30°C)
Caudifasciatus parananochromis
Parananochromis caudifasciatus
Freshwater4.7 in (12 cm) · 42 gal (160 L)73–81°F (23–27°C)
Caudopunctatus
Neolamprologus caudopunctatus
Freshwater2.8 in (7 cm) · 20 gal (75 L)75–79°F (24–26°C)
Cauliflower colt coral
Klyxum simplex
Saltwater9.8 in (25 cm) · 26 gal (100 L)75–81°F (24–27°C)
Cauliflower coral
Pocillopora damicornis
Saltwater9.8 in (25 cm) · 20 gal (75 L)75–81°F (24–27°C)
Cave otopharynx
Otopharynx antron
Freshwater4.7 in (12 cm) · 79 gal (300 L)75–81°F (24–27°C)
Ceará parotocinclus
Parotocinclus cearensis
Freshwater2 in (5 cm) · 14 gal (54 L)72–81°F (22–27°C)
Cebu orange tail goby
Sicyopus cebuensis
Freshwater1.8 in (4.5 cm) · 14 gal (54 L)73–81°F (23–27°C)
Celebes halfbeak
Nomorhamphus liemi
Freshwater3.5 in (9 cm) · 40 gal (150 L)68–77°F (20–25°C)
Celebes rainbow
Marosatherina ladigesi
FreshwaterBrackish3.1 in (8 cm) · 25 gal (95 L)72–82°F (22–28°C)
Celebes ricefish
Oryzias celebensis
Freshwater1.8 in (4.5 cm) · 14 gal (54 L)72–79°F (22–26°C)
Celestial Pearl danio
Danio margaritatus
Freshwater0.8 in (2 cm) · 9 gal (35 L)72–79°F (22–26°C)
Centrarchus dwarf pike
Teleocichla centrarchus
Freshwater3 in (7.5 cm) · 29 gal (110 L)79–86°F (26–30°C)
Cerith snail
Cerithium sp.
Saltwater1.6 in (4 cm) · 11 gal (40 L)72–79°F (22–26°C)
Ceros tetra
Moenkhausia ceros
Freshwater2 in (5 cm) · 16 gal (60 L)75–82°F (24–28°C)
Ceylon puffer
Dichotomyctere fluviatilis
BrackishSaltwater6.7 in (17 cm) · 34 gal (130 L)75–82°F (24–28°C)
Chalice coral
Echinophyllia
Saltwater13.8 in (35 cm) · 20 gal (75 L)75–81°F (24–27°C)
Chalk bass
Serranus tortugarum
Saltwater3.1 in (8 cm) · 29 gal (110 L)72–81°F (22–27°C)
Chameleon hap
Protomelas annectens
Freshwater7.9 in (20 cm) · 119 gal (450 L)75–81°F (24–27°C)
Chameleon loach
Syncrossus beauforti
Freshwater9.8 in (25 cm) · 106 gal (400 L)73–82°F (23–28°C)
Chameleon whiptail
Pseudohemiodon apithanos
Freshwater6.7 in (17 cm) · 79 gal (300 L)75–82°F (24–28°C)
Chanchito
Australoheros facetus
Freshwater8.7 in (22 cm) · 53 gal (200 L)59–79°F (15–26°C)
Chancho midas cichlid
Amphilophus chancho
Freshwater11.4 in (29 cm) · 132 gal (500 L)75–84°F (24–29°C)
Channel catfish
Ictalurus punctatus
Freshwater39.4 in (100 cm) · 1,057 gal (4,000 L)50–86°F (10–30°C)
Channoides betta
Betta channoides
Freshwater1.6 in (4 cm) · 11 gal (40 L)73–82°F (23–28°C)
Charcoal loach
Schistura carbonaria
Freshwater3.4 in (8.6 cm) · 24 gal (90 L)70–79°F (21–26°C)
Checkerboard cichlid
Dicrossus filamentosus
Freshwater3.5 in (9 cm) · 20 gal (75 L)79–86°F (26–30°C)
Checkerboard crenicara
Crenicara punctulata
Freshwater3.9 in (10 cm) · 20 gal (75 L)75–82°F (24–28°C)
Checkered barb
Oliotius oligolepis
Freshwater1.8 in (4.5 cm) · 16 gal (60 L)68–79°F (20–26°C)
Checkered rainbowfish
Melanotaenia splendida inornata
Freshwater4.7 in (12 cm) · 53 gal (200 L)72–86°F (22–30°C)
Cheekband eartheater
Geophagus taeniopareius
Freshwater6.7 in (17 cm) · 106 gal (400 L)77–84°F (25–29°C)
Cheetah moth catfish
Pseudolaguvia shawi
Freshwater1.5 in (3.8 cm) · 11 gal (40 L)68–79°F (20–26°C)
Cheetah squeaker
Synodontis waterloti
Freshwater6.3 in (16 cm) · 66 gal (250 L)73–81°F (23–27°C)
Cheeya rasbora
Brevibora cheeya
Freshwater1.3 in (3.4 cm) · 14 gal (54 L)72–81°F (22–27°C)
Chen's lizard loach
Formosania chenyiyui
Freshwater3.6 in (9.2 cm) · 25 gal (95 L)61–75°F (16–24°C)
Cherry barb
Rohanella titteya
Freshwater2 in (5 cm) · 20 gal (75 L)72–81°F (22–27°C)
Cherry-belly jewel cichlid
Rubricatochromis cerasogaster
Freshwater3.5 in (9 cm) · 53 gal (200 L)73–81°F (23–27°C)
Cherub angelfish
Centropyge argi
Saltwater2.8 in (7 cm) · 29 gal (110 L)72–82°F (22–28°C)
Chestnut headstander
Pseudanos winterbottomi
Freshwater5.9 in (15 cm) · 53 gal (200 L)72–81°F (22–27°C)
Chevron tang
Ctenochaetus hawaiiensis
Saltwater11 in (28 cm) · 180 gal (680 L)75–81°F (24–27°C)
Chiangmai stream goby
Rhinogobius chiengmaiensis
Freshwater2 in (5 cm) · 14 gal (54 L)64–75°F (18–24°C)
Chidunga zebra
Metriaclima patricki
Freshwater4.3 in (11 cm) · 53 gal (200 L)75–82°F (24–28°C)
Chili coral
Nephthyigorgia
Saltwater5.9 in (15 cm) · 20 gal (75 L)75–81°F (24–27°C)
Chili rasbora
Boraras brigittae
Freshwater0.8 in (2 cm) · 7 gal (25 L)72–82°F (22–28°C)
Chilotes hap
Paralabidochromis chilotes
Freshwater6.7 in (17 cm) · 66 gal (250 L)73–81°F (23–27°C)
China clam
Hippopus porcellanus
Saltwater15.7 in (40 cm) · 106 gal (400 L)75–81°F (24–27°C)
Chinese algae eater
Gyrinocheilus aymonieri
Freshwater11 in (28 cm) · 46 gal (175 L)72–79°F (22–26°C)
Chinese banded loach
Schistura fasciolata
Freshwater4.7 in (12 cm) · 29 gal (110 L)61–75°F (16–24°C)
Chinese butterfly loach
Pseudogastromyzon cheni
Freshwater2.4 in (6 cm) · 20 gal (75 L)64–75°F (18–24°C)
Chinese elongated zebra loach
Homatula potanini
Freshwater5.3 in (13.5 cm) · 40 gal (150 L)61–75°F (16–24°C)
Chinese emperor loach
Parabotia maculosus
Freshwater7.9 in (20 cm) · 70 gal (265 L)64–79°F (18–26°C)
Chinese flower loach
Traccatichthys pulcher
Freshwater4.7 in (12 cm) · 29 gal (110 L)61–75°F (16–24°C)
Chinese golden zebra loach
Sinibotia pulchra
Freshwater3.9 in (10 cm) · 37 gal (140 L)64–77°F (18–25°C)
Chinese high-fin banded shark
Myxocyprinus asiaticus
Freshwater26.8 in (68 cm) · 528 gal (2,000 L)57–75°F (14–24°C)
Chinese longsnout catfish
Leiocassis longirostris
Freshwater27.6 in (70 cm) · 264 gal (1,000 L)61–79°F (16–26°C)
Chinese mandarin goby
Sineleotris saccharae
Freshwater3.9 in (10 cm) · 30 gal (112 L)61–75°F (16–24°C)
Chinese red ninja goby
Rhinogobius shennongensis
Freshwater2.4 in (6 cm) · 14 gal (54 L)61–73°F (16–23°C)
Chinese spiny loach
Cobitis sinensis
Freshwater6 in (15.3 cm) · 42 gal (160 L)59–75°F (15–24°C)
Chinese tiger loach
Sinibotia robusta
Freshwater7.1 in (18 cm) · 53 gal (200 L)64–79°F (18–26°C)Chini betta
Betta chini
Freshwater2.1 in (5.4 cm) · 16 gal (60 L)72–81°F (22–27°C)
Chipokee cichlid
Melanochromis chipokae
Freshwater4.7 in (12 cm) · 53 gal (200 L)75–82°F (24–28°C)
Chisel-tooth cichlid
Cincelichthys bocourti
Freshwater11.8 in (30 cm) · 119 gal (450 L)77–82°F (25–28°C)
Chitande aulonocara
Aulonocara ethelwynnae
Freshwater3.5 in (9 cm) · 63 gal (240 L)75–81°F (24–27°C)
Chocolate chip star
Protoreaster nodosus
Saltwater11.8 in (30 cm) · 53 gal (200 L)75–81°F (24–27°C)
Chocolate cichlid
Hypselecara temporalis
Freshwater11.8 in (30 cm) · 65 gal (245 L)77–86°F (25–30°C)
Chocolate frogmouth catfish
Chaca bankanensis
Freshwater7.9 in (20 cm) · 45 gal (170 L)75–82°F (24–28°C)
Chocolate gourami
Sphaerichthys osphromenoides
Freshwater2 in (5 cm) · 17 gal (65 L)79–88°F (26–31°C)
Chopstick snail
Stenomelania torulosa
Freshwater2 in (5 cm) · 11 gal (40 L)73–82°F (23–28°C)
Christmas fulu
Xystichromis phytophagus
Freshwater3.9 in (10 cm) · 53 gal (200 L)73–81°F (23–27°C)
Christmas tree worm
Spirobranchus giganteus
Saltwater1.6 in (4 cm) · 20 gal (75 L)75–81°F (24–27°C)
Christmas wrasse
Halichoeres ornatissimus
Saltwater5.9 in (15 cm) · 70 gal (265 L)72–79°F (22–26°C)
Christy's lamprologus
Neolamprologus christyi
Freshwater5.9 in (15 cm) · 66 gal (250 L)75–81°F (24–27°C)
Chrysonotus utaka
Copadichromis chrysonotus
Freshwater6.3 in (16 cm) · 79 gal (300 L)75–81°F (24–27°C)
Chukai betta
Betta tussyae
Freshwater1.6 in (4 cm) · 11 gal (40 L)73–82°F (23–28°C)
Churchill mormyrid
Petrocephalus simus
Freshwater4.7 in (12 cm) · 42 gal (160 L)75–82°F (24–28°C)
Cinnamon clownfish
Amphiprion melanopus
Saltwater4.7 in (12 cm) · 30 gal (115 L)75–82°F (24–28°C)
Cinnamon loach
Pangio pangia
Freshwater2.4 in (6 cm) · 20 gal (75 L)72–81°F (22–27°C)
Circular whiptail
Planiloricaria cryptodon
Freshwater8.7 in (22 cm) · 79 gal (300 L)75–82°F (24–28°C)
Citron clown goby
Gobiodon citrinus
Saltwater2.6 in (6.5 cm) · 11 gal (40 L)72–81°F (22–27°C)
Citron pygmygoby
Trimma kitrinum
Saltwater1.1 in (2.7 cm) · 5 gal (19 L)72–79°F (22–26°C)
Clark's clownfish
Amphiprion clarkii
Saltwater5.5 in (14 cm) · 30 gal (115 L)75–82°F (24–28°C)
Clavatus tetra
Hyphessobrycon clavatus
Freshwater1.5 in (3.7 cm) · 15 gal (55 L)72–81°F (22–27°C)
Clay goby
Dormitator lebretonis
Freshwater4.7 in (12 cm) · 42 gal (160 L)75–82°F (24–28°C)
Climbing perch
Anabas testudineus
Freshwater7.9 in (20 cm) · 40 gal (150 L)59–86°F (15–30°C)
Clipper barb
Enteromius callipterus
Freshwater3.5 in (9 cm) · 24 gal (90 L)72–81°F (22–27°C)
Cloud loach
Schistura nubigena
Freshwater2 in (5 cm) · 20 gal (75 L)64–75°F (18–24°C)
Clouded archerfish
Toxotes blythii
Freshwater7.9 in (20 cm) · 106 gal (400 L)75–84°F (24–29°C)
Clove polyps
Clavularia
Saltwater5.9 in (15 cm) · 11 gal (40 L)75–81°F (24–27°C)
Clown barb
Barbodes dunckeri
Freshwater5.1 in (13 cm) · 53 gal (200 L)75–82°F (24–28°C)
Clown frogfish
Antennarius maculatus
Saltwater5.9 in (15 cm) · 20 gal (75 L)75–81°F (24–27°C)
Clown gagata catfish
Gagata dolichonema
Freshwater5.1 in (13 cm) · 42 gal (160 L)68–79°F (20–26°C)
Clown killifish
Epiplatys annulatus
Freshwater1.4 in (3.5 cm) · 15 gal (55 L)68–79°F (20–26°C)
Clown knifefish
Chitala ornata
Freshwater31.5 in (80 cm) · 125 gal (475 L)68–82°F (20–28°C)
Clown labidochromis
Labidochromis chisumulae
Freshwater3.1 in (8 cm) · 42 gal (160 L)75–82°F (24–28°C)
Clown loach
Chromobotia macracanthus
Freshwater11.8 in (30 cm) · 75 gal (285 L)75–86°F (24–30°C)
Clown peckoltia (L134)
Peckoltia compta
Freshwater4.7 in (12 cm) · 29 gal (110 L)77–84°F (25–29°C)
Clown pleco
Panaqolus maccus
Freshwater3.5 in (9 cm) · 20 gal (75 L)73–82°F (23–28°C)
Clown rasbora
Rasbora kalochroma
Freshwater3.9 in (10 cm) · 34 gal (130 L)73–82°F (23–28°C)
Clown tang
Acanthurus lineatus
Saltwater15 in (38 cm) · 238 gal (900 L)75–81°F (24–27°C)
Clown triggerfish
Balistoides conspicillum
Saltwater19.7 in (50 cm) · 300 gal (1,135 L)72–79°F (22–26°C)
Clown-spotted leporinus
Leporinus nijsseni
Freshwater6.7 in (17 cm) · 70 gal (265 L)72–81°F (22–27°C)
Coal grunter
Hephaestus carbo
Freshwater13 in (33 cm) · 159 gal (600 L)75–86°F (24–30°C)
Cobalt blue cichlid
Maylandia callainos
Freshwater5.1 in (13 cm) · 45 gal (170 L)75–82°F (24–28°C)
Cobalt blue goby
Stiphodon semoni
Freshwater1.8 in (4.5 cm) · 13 gal (50 L)68–79°F (20–26°C)
Cochu's blue tetra
Boehlkea fredcochui
Freshwater2.2 in (5.5 cm) · 20 gal (75 L)72–82°F (22–28°C)
Cockatoo cichlid
Apistogramma cacatuoides
Freshwater3 in (7.5 cm) · 18 gal (70 L)72–84°F (22–29°C)3 varieties
Coco worm
Protula bispiralis
Saltwater5.1 in (13 cm) · 20 gal (75 L)75–81°F (24–27°C)
Coffee bean tetra
Hyphessobrycon takasei
Freshwater1.4 in (3.6 cm) · 15 gal (55 L)73–82°F (23–28°C)
Colin's angelfish
Centropyge colini
Saltwater3.5 in (9 cm) · 55 gal (210 L)72–79°F (22–26°C)
Collare butterflyfish
Chaetodon collare
Saltwater7.1 in (18 cm) · 90 gal (340 L)73–81°F (23–27°C)
Collector urchin
Tripneustes gratilla
Saltwater5.9 in (15 cm) · 20 gal (75 L)75–81°F (24–27°C)
Collett's tetra
Hemigrammus collettii
Freshwater2 in (5 cm) · 20 gal (75 L)73–82°F (23–28°C)
Colombian bristlenose pleco
Ancistrus triradiatus
Freshwater4.3 in (11 cm) · 29 gal (110 L)77–84°F (25–29°C)
Colombian festivum
Mesonauta egregius
Freshwater4.7 in (12 cm) · 66 gal (250 L)75–82°F (24–28°C)
Colombian gold tetra
Hyphessobrycon saizi
Freshwater1.4 in (3.5 cm) · 14 gal (54 L)73–82°F (23–28°C)
Colombian shark catfish
Ariopsis seemanni
BrackishSaltwater13.8 in (35 cm) · 225 gal (850 L)72–79°F (22–26°C)
Colombian tetra
Hyphessobrycon columbianus
Freshwater2.6 in (6.5 cm) · 20 gal (75 L)73–82°F (23–28°C)
Colombian zebra pleco (L129)
Hypancistrus debilittera
Freshwater3.5 in (9 cm) · 20 gal (75 L)79–86°F (26–30°C)
Colt coral
Cladiella
Saltwater11.8 in (30 cm) · 20 gal (75 L)75–81°F (24–27°C)
Combtail gourami
Belontia signata
Freshwater4.7 in (12 cm) · 53 gal (200 L)72–82°F (22–28°C)
Common hatchetfish
Gasteropelecus sternicla
Freshwater1.6 in (4 cm) · 33 gal (125 L)68–82°F (20–28°C)
Common jewel cichlid
Rubricatochromis guttatus
Freshwater5.5 in (14 cm) · 66 gal (250 L)73–81°F (23–27°C)
Common otocinclus
Otocinclus vittatus
Freshwater2 in (5 cm) · 20 gal (75 L)72–79°F (22–26°C)
Common pleco
Hypostomus plecostomus
Freshwater15.7 in (40 cm) · 85 gal (320 L)72–86°F (22–30°C)
Common spiny loach
Lepidocephalichthys thermalis
Freshwater3.1 in (8 cm) · 20 gal (75 L)72–82°F (22–28°C)
Common syno
Synodontis nigrita
Freshwater7.9 in (20 cm) · 55 gal (210 L)70–82°F (21–28°C)
Common whiptail
Rineloricaria parva
Freshwater4.7 in (12 cm) · 20 gal (75 L)68–79°F (20–26°C)
Common woodcat
Trachelyopterus galeatus
Freshwater8.7 in (22 cm) · 50 gal (190 L)72–82°F (22–28°C)
Compressiceps
Altolamprologus compressiceps
Freshwater5.1 in (13 cm) · 53 gal (200 L)75–81°F (24–27°C)
Compressiceps dwarf pike cichlid
Crenicichla compressiceps
Freshwater3.1 in (8 cm) · 29 gal (110 L)75–82°F (24–28°C)
Compuncta betta
Betta compuncta
Freshwater3 in (7.5 cm) · 20 gal (75 L)72–81°F (22–27°C)
Concolor cory
Hoplisoma concolor
Freshwater2.4 in (6 cm) · 20 gal (75 L)72–79°F (22–26°C)
Condy anemone
Condylactis gigantea
Saltwater11.8 in (30 cm) · 40 gal (150 L)75–81°F (24–27°C)
Coney
Cephalopholis fulva
Saltwater16.1 in (41 cm) · 106 gal (400 L)73–81°F (23–27°C)
Congicus pterochromis
Pterochromis congicus
Freshwater5.9 in (15 cm) · 79 gal (300 L)73–82°F (23–28°C)
Congicus squeaker
Synodontis congicus
Freshwater7.9 in (20 cm) · 79 gal (300 L)73–81°F (23–27°C)
Congo bichir
Polypterus congicus
Freshwater38.2 in (97 cm) · 264 gal (1,000 L)75–82°F (24–28°C)
Congo blue cichlid
Nanochromis nudiceps
Freshwater2.8 in (7 cm) · 29 gal (110 L)73–81°F (23–27°C)
Congo bushfish
Microctenopoma congicum
Freshwater3 in (7.5 cm) · 20 gal (75 L)73–81°F (23–27°C)
Congo clipper barb
Clypeobarbus congicus
Freshwater2.2 in (5.5 cm) · 14 gal (54 L)73–81°F (23–27°C)
Congo coptodon
Coptodon congica
Freshwater9.8 in (25 cm) · 106 gal (400 L)77–86°F (25–30°C)
Congo featherfin knifefish
Papyrocranus congoensis
Freshwater13.8 in (35 cm) · 119 gal (450 L)75–82°F (24–28°C)
Congo garra
Garra congoensis
Freshwater3.9 in (10 cm) · 29 gal (110 L)72–81°F (22–27°C)
Congo lamprologus
Lamprologus congoensis
Freshwater5.1 in (13 cm) · 53 gal (200 L)73–81°F (23–27°C)
Congo pufferfish
Tetraodon miurus
Freshwater5.9 in (15 cm) · 26 gal (100 L)75–82°F (24–28°C)
Congo tetra
Phenacogrammus interruptus
Freshwater3.1 in (8 cm) · 24 gal (90 L)73–82°F (23–28°C)
Conjunctus benitochromis
Benitochromis conjunctus
Freshwater3.5 in (9 cm) · 42 gal (160 L)73–81°F (23–27°C)
Consortus nanochromis
Nanochromis consortus
Freshwater2.6 in (6.5 cm) · 29 gal (110 L)73–81°F (23–27°C)
Conspicuous angelfish
Chaetodontoplus conspicillatus
Saltwater9.8 in (25 cm) · 198 gal (750 L)72–79°F (22–26°C)
Constanciae killifish
Simpsonichthys constanciae
Freshwater2.4 in (6 cm) · 11 gal (40 L)68–77°F (20–25°C)
Convict cichlid
Amatitlania nigrofasciata
Freshwater5.9 in (15 cm) · 25 gal (95 L)75–82°F (24–28°C)1 variety
Convict julie
Julidochromis regani
Freshwater5.1 in (13 cm) · 29 gal (110 L)75–81°F (24–27°C)
Convict tang
Acanthurus triostegus
Saltwater10.6 in (27 cm) · 124 gal (470 L)75–82°F (24–28°C)
Cope's tetra
Moenkhausia copei
Freshwater2.4 in (6 cm) · 20 gal (75 L)73–82°F (23–28°C)
Copper Congo tetra
Hemigrammopetersius pulcher
Freshwater2.4 in (6 cm) · 24 gal (90 L)73–81°F (23–27°C)
Copperband butterflyfish
Chelmon rostratus
Saltwater7.9 in (20 cm) · 79 gal (300 L)75–81°F (24–27°C)
Coppernose barb
Raiamas christyi
Freshwater8.3 in (21 cm) · 106 gal (400 L)72–81°F (22–27°C)
Coral banded shrimp
Stenopus hispidus
Saltwater2.4 in (6 cm) · 30 gal (115 L)72–81°F (22–27°C)
Coral beauty angelfish
Centropyge bispinosa
Saltwater3.9 in (10 cm) · 50 gal (190 L)72–79°F (22–26°C)
Coral guard crab
Trapezia cymodoce
Saltwater0.8 in (2 cm) · 11 gal (40 L)75–81°F (24–27°C)
Coral hogfish
Bodianus mesothorax
Saltwater7.9 in (20 cm) · 90 gal (340 L)72–79°F (22–26°C)
Coral red pencilfish
Nannostomus mortenthaleri
Freshwater1.2 in (3 cm) · 15 gal (55 L)75–82°F (24–28°C)
Corica loach
Nemacheilus corica
Freshwater2 in (5 cm) · 20 gal (75 L)68–79°F (20–26°C)
Cornish jack
Mormyrops anguilloides
Freshwater59.1 in (150 cm) · 1,057 gal (4,000 L)73–82°F (23–28°C)
Cosmops tetra
Bario cosmops
Freshwater2.6 in (6.5 cm) · 24 gal (90 L)73–82°F (23–28°C)
Costae tetra
Moenkhausia costae
Freshwater2.8 in (7 cm) · 29 gal (110 L)72–82°F (22–28°C)
Cosuatis barb
Oreichthys cosuatis
Freshwater3.1 in (8 cm) · 20 gal (75 L)68–79°F (20–26°C)
Cracens betta
Betta cracens
Freshwater2.8 in (7 cm) · 20 gal (75 L)73–81°F (23–27°C)
Craggy-head banjo catfish
Bunocephalus verrucosus
Freshwater3.9 in (10 cm) · 21 gal (80 L)73–82°F (23–28°C)
Crazy fish
Butis butis
Freshwater5.9 in (15 cm) · 66 gal (250 L)75–82°F (24–28°C)
Creek loach
Schistura beavani
Freshwater3.9 in (10 cm) · 29 gal (110 L)64–77°F (18–25°C)
Crescent betta
Betta imbellis
Freshwater2.4 in (6 cm) · 12 gal (45 L)68–82°F (20–28°C)
Crescent gambusia
Gambusia hurtadoi
Freshwater2 in (5 cm) · 14 gal (54 L)68–79°F (20–26°C)
Crevice catfish
Amblyceps mangois
Freshwater5.1 in (13 cm) · 20 gal (75 L)68–79°F (20–26°C)
Critter goby
Lentipes crittersius
Freshwater1.6 in (4 cm) · 14 gal (54 L)73–81°F (23–27°C)
Croaking gourami
Trichopsis vittata
Freshwater2.8 in (7 cm) · 25 gal (95 L)72–82°F (22–28°C)
Crocea clam
Tridacna crocea
Saltwater5.9 in (15 cm) · 30 gal (115 L)75–81°F (24–27°C)
Crocodile catfish
Bagarius suchus
Freshwater27.6 in (70 cm) · 660 gal (2,500 L)64–73°F (18–23°C)
Cross loach
Micronemacheilus cruciatus
Freshwater1.6 in (4 cm) · 14 gal (54 L)68–77°F (20–25°C)
Cross River puffer
Tetraodon pustulatus
Freshwater14.2 in (36 cm) · 119 gal (450 L)75–82°F (24–28°C)
Crossband chocolate gourami
Sphaerichthys selatanensis
Freshwater1.8 in (4.5 cm) · 16 gal (60 L)79–86°F (26–30°C)
Crosshatch triggerfish
Xanthichthys mento
Saltwater11.8 in (30 cm) · 106 gal (400 L)70–79°F (21–26°C)
Crown squirrelfish
Sargocentron diadema
Saltwater6.7 in (17 cm) · 53 gal (200 L)75–81°F (24–27°C)
Crucian carp
Carassius carassius
Freshwater11.8 in (30 cm) · 119 gal (450 L)39–75°F (4–24°C)
Crystal red tetra
Hyphessobrycon haraldschultzi
Freshwater1 in (2.5 cm) · 10 gal (38 L)73–82°F (23–28°C)
Crystal tetra
Protocheirodon pi
Freshwater1.2 in (3.1 cm) · 11 gal (40 L)73–82°F (23–28°C)
Cuban cichlid
Nandopsis tetracanthus
Freshwater9.8 in (25 cm) · 75 gal (285 L)75–82°F (24–28°C)
Cuban limia
Limia vittata
Freshwater3.9 in (10 cm) · 18 gal (70 L)73–82°F (23–28°C)
Cuckoo squeaker
Synodontis multipunctatus
Freshwater9.8 in (25 cm) · 50 gal (190 L)75–82°F (24–28°C)
Cuming's barb
Pethia cumingii
Freshwater2 in (5 cm) · 16 gal (60 L)72–81°F (22–27°C)
Cupid cichlid
Biotodoma cupido
Freshwater4.7 in (12 cm) · 53 gal (200 L)68–86°F (20–30°C)
Curlyque anemone
Bartholomea annulata
Saltwater5.9 in (15 cm) · 20 gal (75 L)75–81°F (24–27°C)
Curve-bar cichlid
Herichthys labridens
Freshwater11.8 in (30 cm) · 106 gal (400 L)75–84°F (24–29°C)
Curved snout mormyrid
Campylomormyrus rhynchophorus
Freshwater8.7 in (22 cm) · 79 gal (300 L)75–82°F (24–28°C)
Cylindricus cichlid
Neolamprologus cylindricus
Freshwater4.7 in (12 cm) · 29 gal (110 L)75–81°F (24–27°C)
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